Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
lacks the N-terminal helix, circularly permuted wing
Representatives:
e1rq6A1[A:1-62] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
30S ribosomal protein S17e ; SOLUTION NMR
e2xzmV1[V:2-122] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e4btsAV1[AV:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S RIBOSOMAL PROTEIN RPS17E ; X-RAY DIFFRACTION 3.70Å
e4btsBV1[BV:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S RIBOSOMAL PROTEIN RPS17E ; X-RAY DIFFRACTION 3.70Å
e4btsCV1[CV:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S RIBOSOMAL PROTEIN RPS17E ; X-RAY DIFFRACTION 3.70Å
e4btsDV1[DV:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S RIBOSOMAL PROTEIN RPS17E ; X-RAY DIFFRACTION 3.70Å
e3j6x171[17:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
e3j6y171[17:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
e3j77171[17:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
e3j78171[17:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
e3j7aW1[W:3-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein eS17 ; ELECTRON MICROSCOPY
e3j80R1[R:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eS17 ; ELECTRON MICROSCOPY
e3j81R1[R:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eS17 ; ELECTRON MICROSCOPY
e4u3mC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å
e4u3mc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.000Å
e4u3nC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: A,C,OHX ; X-RAY DIFFRACTION 3.200Å
e4u3nc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: A,C,MG ; X-RAY DIFFRACTION 3.200Å
e4u3uC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 2.900Å
e4u3uc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 2.900Å
e4u4nC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å
e4u4nc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.100Å
e4u4oC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.600Å
e4u4oc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG,OHX ; X-RAY DIFFRACTION 3.600Å
e4u4qC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å
e4u4qc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.000Å
e4u4rC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 2.800Å
e4u4rc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 2.800Å
e4u4uC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å
e4u4uc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.000Å
e4u4yC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å
e4u4yc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.200Å
e4u4zC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.100Å
e4u4zc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.100Å
e4u50C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å
e4u50c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.200Å
e4u51C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å
e4u51c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.200Å
e4u52C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.000Å
e4u52c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.000Å
e4u53C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.300Å
e4u53c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.300Å
e4u55C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å
e4u55c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.200Å
e4u56C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.450Å
e4u56c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.450Å
e4u6fC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 2.900Å
e4u6fc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 2.900Å
e4uerV1[V:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ES17 ; ELECTRON MICROSCOPY
e4v5oAV1[AV:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPS17E ; X-RAY DIFFRACTION 3.93Å
e4v5oBV1[BV:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPS17E ; X-RAY DIFFRACTION 3.93Å
e4v88AR1[AR:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.0Å
e4v88CR1[CR:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.0Å
e4v8yAR1[AR:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S RIBOSOMAL PROTEIN S17-A ; ligands: OHX ; ELECTRON MICROSCOPY
e4v8zAR1[AR:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S RIBOSOMAL PROTEIN S17-A ; ligands: OHX ; ELECTRON MICROSCOPY
e4v92BR1[BR:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ES17 ; ELECTRON MICROSCOPY
e4v3pSQ1[SQ:1-141] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-4 ; ELECTRON MICROSCOPY
e3jamR1[R:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eS17 ; ELECTRON MICROSCOPY
e3japR1[R:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eS17 ; ELECTRON MICROSCOPY
e3jaqR1[R:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH
e3jbnW1[W:3-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein eS17 ; ELECTRON MICROSCOPY
e3jboW1[W:3-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein eS17 ; ELECTRON MICROSCOPY
e3jbpW1[W:3-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein eS17 ; ELECTRON MICROSCOPY
e5fciC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.400Å
e5fcic71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: MG ; X-RAY DIFFRACTION 3.400Å
e5fcjC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å
e5fcjc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.100Å
e5it7R1[R:2-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
KLLA0B01474p ; ELECTRON MICROSCOPY
e5it9R1[R:2-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ribosomal protein eS17 ; ELECTRON MICROSCOPY
e5dc3C71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.250Å
e5dc3c71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.250Å
e5i4lC71[C7:2-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.100Å
e5i4lc71[c7:2-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17-A ; X-RAY DIFFRACTION 3.100Å
e7mdzRR1[RR:2-133] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eS17 ; ELECTRON MICROSCOPY
e7ls1z21[z2:2-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
e7ls2z21[z2:2-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
e7r81S21[S2:2-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
40S ribosomal protein S17 ; ELECTRON MICROSCOPY
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