Home Help

X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


Keyword search


Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

X: Globin-like
H: Globin-like
T: Globin-like
F: Phycobilisome

PF00502 CL0090

Representatives:

e1xg0C1[C:3-177] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-PHYCOERYTHRIN BETA CHAIN ; ligands: CL,DBV,PEB ; X-RAY DIFFRACTION 0.97Å

e1jboA1[A:1-174] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-PHYCOCYANIN ALPHA CHAIN ; ligands: CYC ; X-RAY DIFFRACTION 1.45Å

e6kgxvG1[vG:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxPI1[PI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxRI1[RI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxTI1[TI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxVI1[VI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxYI1[YI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxaI1[aI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxcI1[cI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxeI1[eI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxgI1[gI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxiI1[iI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxkI1[kI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxmI1[mI:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxCJ1[CJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxEJ1[EJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxGJ1[GJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxIJ1[IJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxKJ1[KJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxMJ1[MJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxOJ1[OJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxQJ1[QJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxSJ1[SJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxUJ1[UJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxWJ1[WJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxYJ1[YJ:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6kgxFH1[FH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxBH1[BH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxHH1[HH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxIH1[IH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxLH1[LH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxMH1[MH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxOH1[OH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxQH1[QH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxSH1[SH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxUH1[UH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxdH1[dH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxfH1[fH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxhH1[hH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxjH1[jH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxkH1[kH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxnH1[nH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxoH1[oH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxqH1[qH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxsH1[sH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxuH1[uH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxwH1[wH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxyH1[yH:1-173] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin beta 18 subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxxH1[xH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin gamma subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgx1H1[1H:2-98,1H:136-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Phycobilisome linker polypeptide ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxCH1[CH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxEH1[EH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC,PEB ; ELECTRON MICROSCOPY

e6kgxGH1[GH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxJH1[JH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxKH1[KH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxNH1[NH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxPH1[PH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxRH1[RH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxTH1[TH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxcH1[cH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxeH1[eH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxgH1[gH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC,PEB ; ELECTRON MICROSCOPY

e6kgxiH1[iH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxlH1[lH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxmH1[mH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxpH1[pH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxrH1[rH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxtH1[tH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6kgxvH1[vH:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Allophycocyanin alpha subunit ; ligands: CYC ; ELECTRON MICROSCOPY

e6xwkAAA1[AAA:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Phycocyanin alpha subunit ; ligands: CYC,EDO,IMD,PEG ; X-RAY DIFFRACTION 1.17Å

e6xwkBBB1[BBB:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Phycocyanin beta subunit ; ligands: CYC,EDO,IMD,PGE ; X-RAY DIFFRACTION 1.17Å

e6y3dAAA1[AAA:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: ACT,CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dCCC1[CCC:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dEEE1[EEE:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: ACT,CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dGGG1[GGG:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dIII1[III:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: ACT,CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dKKK1[KKK:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dBBB1[BBB:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dDDD1[DDD:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,GOL ; X-RAY DIFFRACTION 1.80Å

e6y3dFFF1[FFF:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: ACT,CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dHHH1[HHH:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dJJJ1[JJJ:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 1.80Å

e6y3dLLL1[LLL:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: ACT,CYC ; X-RAY DIFFRACTION 1.80Å

e6ypqB1[B:1-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,GLY,LYS ; X-RAY DIFFRACTION 1.29Å

e6yq8B1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,EDO,GOL,PGE ; X-RAY DIFFRACTION 1.82Å

e6yqgB1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,TE4 ; X-RAY DIFFRACTION 1.45Å

e6yyjB1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: MES,PGE,PXQ ; X-RAY DIFFRACTION 2.16Å

e6yyjD1[D:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: MES,PXQ ; X-RAY DIFFRACTION 2.16Å

e6yyjF1[F:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: PGE,PXQ ; X-RAY DIFFRACTION 2.16Å

e6ypqA1[A:1-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC,GLY,LYS ; X-RAY DIFFRACTION 1.29Å

e6yq8A1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC,EDO,GOL,PGE ; X-RAY DIFFRACTION 1.82Å

e6yqgA1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.45Å

e6yyjA1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: PGE,PXQ ; X-RAY DIFFRACTION 2.16Å

e6yyjC1[C:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: MES,PGE,PXQ ; X-RAY DIFFRACTION 2.16Å

e6yyjE1[E:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: MES,PGE,PXQ ; X-RAY DIFFRACTION 2.16Å

e7lixC1[C:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7lixB1[B:16-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7lixD1[D:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7liyB1[B:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7liyC1[C:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7lizB1[B:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7lizC1[C:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e7lj0B1[B:33-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-phycoerythrin beta chain ; ligands: PEB ; ELECTRON MICROSCOPY

e6yx7AAA1[AAA:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin alpha ; ligands: ALA,CYC,GLU,GLY,LYS,PG4 ; X-RAY DIFFRACTION 1.419Å

e6yx7BBB1[BBB:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin beta ; ligands: 1PE,ALA,CYC,EDO,GLU,GLY,LYS,MPD,PEG,PG4 ; X-RAY DIFFRACTION 1.419Å

e6yx7CCC1[CCC:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin alpha ; ligands: ALA,CYC,EDO,GLU,GLY,LYS,P6G,PEG,PG4 ; X-RAY DIFFRACTION 1.419Å

e6yx7EEE1[EEE:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin alpha ; ligands: ALA,CYC,EDO,GLU,GLY,LYS,MPD ; X-RAY DIFFRACTION 1.419Å

e6yx7GGG1[GGG:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin alpha ; ligands: ALA,CYC,EDO,GLU,GLY,LYS,MRD,PEG,PGE ; X-RAY DIFFRACTION 1.419Å

e6yx7III1[III:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin alpha ; ligands: ALA,CYC,GLU,GLY,LYS,MPD ; X-RAY DIFFRACTION 1.419Å

e6yx7KKK1[KKK:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin alpha ; ligands: ALA,CYC,EDO,GLU,GLY,LYS,PEG ; X-RAY DIFFRACTION 1.419Å

e6yx8AAA1[AAA:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

ALPHA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN ; ligands: 1PE,BCN,EDO,MPD,PEG,PGE,PXQ ; X-RAY DIFFRACTION 1.831Å

e6yx8CCC1[CCC:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

ALPHA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN ; ligands: BCN,EDO,MPD,PEG,PG4,PGE,PXQ ; X-RAY DIFFRACTION 1.831Å

e6yx8EEE1[EEE:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH

ALPHA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN ; ligands: EDO,MRD,PEG,PG4,PGE,PXQ ; X-RAY DIFFRACTION 1.831Å

e6yx7DDD1[DDD:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin beta ; ligands: ALA,CYC,GLU,GLY,LYS,MPD ; X-RAY DIFFRACTION 1.419Å

e6yx7FFF1[FFF:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin beta ; ligands: ALA,CYC,GLU,GLY,LYS,MPD,PG4 ; X-RAY DIFFRACTION 1.419Å

e6yx7HHH1[HHH:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin beta ; ligands: ALA,CYC,GLU,GLY,LYS,MPD,PEG ; X-RAY DIFFRACTION 1.419Å

e6yx7JJJ1[JJJ:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin beta ; ligands: ALA,CYC,DSN,GLU,GLY,LYS,MPD,PEG,PG4 ; X-RAY DIFFRACTION 1.419Å

e6yx7LLL1[LLL:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

Allophycocyanin beta ; ligands: ALA,CYC,DSN,GLU,GLY,LYS,MPD,PGE ; X-RAY DIFFRACTION 1.419Å

e6yx8BBB1[BBB:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

BETA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN ; ligands: 1PE,BCN,EDO,MPD,PEG,PGE,PXQ ; X-RAY DIFFRACTION 1.831Å

e6yx8DDD1[DDD:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

BETA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN ; ligands: BCN,EDO,MPD,PEG,PG4,PXQ ; X-RAY DIFFRACTION 1.831Å

e6yx8FFF1[FFF:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

BETA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN ; ligands: 1PE,EDO,MPD,PEG,PGE,PXQ ; X-RAY DIFFRACTION 1.831Å

e7ap5AAA1[AAA:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: NO3,PE8,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5CCC1[CCC:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5EEE1[EEE:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,NO3,P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5GGG1[GGG:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5III1[III:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,NO3,P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5KKK1[KKK:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: NO3,PE5,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5MMM1[MMM:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: PEB,PEG,PG4,PGE,PO4,RWB ; X-RAY DIFFRACTION 2.13Å

e7ap5OOO1[OOO:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH

Alpha subunit of cyanobacterial protein phycoerythrin ; ligands: PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5BBB1[BBB:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,NO3,P33,PE8,PEB,PEG,PGE,PO4,RWB ; X-RAY DIFFRACTION 2.13Å

e7ap5DDD1[DDD:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,NO3,P33,P6G,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5FFF1[FFF:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5HHH1[HHH:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,NO3,P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5JJJ1[JJJ:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,NO3,P33,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5LLL1[LLL:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,NO3,PEB,PEG,PG4,PGE,PO4,RWB ; X-RAY DIFFRACTION 2.13Å

e7ap5NNN1[NNN:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,PE5,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7ap5PPP1[PPP:1-184] Image Pymol Jmol Links: PDB, SCOP, CATH

Beta subunit of cyanobacterial protein phycoerythrin ; ligands: 1PE,EDO,PEB,PEG,PG4,PGE,PO4 ; X-RAY DIFFRACTION 2.13Å

e7d6wA1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin alpha subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wC1[C:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin alpha subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wE1[E:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin alpha subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wG1[G:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin alpha subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wI1[I:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin alpha subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wK1[K:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin alpha subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wB1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin beta subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wD1[D:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin beta subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wF1[F:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin beta subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wH1[H:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin beta subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wJ1[J:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin beta subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7d6wL1[L:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH

Phycocyanin beta subunit ; ligands: CYC ; X-RAY DIFFRACTION 2.15Å

e7efvA1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 2.77Å

e7efvC1[C:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 2.77Å

e7efvB1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 2.77Å

e7efvD1[D:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 2.77Å

e7efwA1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwC1[C:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwE1[E:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC,GOL ; X-RAY DIFFRACTION 1.65Å

e7efwG1[G:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwI1[I:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwK1[K:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwB1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwD1[D:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7efwF1[F:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,GOL ; X-RAY DIFFRACTION 1.65Å

e7efwH1[H:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,GOL ; X-RAY DIFFRACTION 1.65Å

e7efwJ1[J:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC,GOL ; X-RAY DIFFRACTION 1.65Å

e7efwL1[L:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; X-RAY DIFFRACTION 1.65Å

e7eh7A1[A:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7C1[C:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7E1[E:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7G1[G:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7I1[I:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7K1[K:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7M1[M:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7O1[O:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7B1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7D1[D:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7F1[F:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7H1[H:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7J1[J:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7L1[L:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7N1[N:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh7P1[P:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8A1[A:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8C1[C:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8E1[E:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8G1[G:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8I1[I:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8K1[K:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin alpha chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8B1[B:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8D1[D:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8F1[F:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8H1[H:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8J1[J:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7eh8L1[L:1-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin beta chain ; ligands: CYC ; ELECTRON MICROSCOPY

e7extB11[B1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extD11[D1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extF11[F1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extH11[H1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extJ11[J1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extL11[L1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extO11[O1:2-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

e7extQ11[Q1:1-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-phycocyanin subunit alpha ; ligands: CYC ; ELECTRON MICROSCOPY

Previous Next

e1b8dA1[A:1-164] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (RHODOPHYTAN PHYCOERYTHRIN (ALPHA CHAIN) ) ; ligands: PEB ; X-RAY DIFFRACTION 1.9Å

e1allA1[A:3-174] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ALLOPHYCOCYANIN ; ligands: CYC ; X-RAY DIFFRACTION 2.3Å

e1allB1[B:1-174] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ALLOPHYCOCYANIN ; ligands: CYC ; X-RAY DIFFRACTION 2.3Å

e4xxkA1[A:20-241] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Phycobiliprotein ApcE ; ligands: CYC ; X-RAY DIFFRACTION 2.97Å

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes