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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

X: Di-copper centre-containing domain
H: Di-copper centre-containing domain
T: Di-copper centre-containing domain
F: Tyrosinase

PF00264 CL0205

Representatives:

e3w6wA1[A:1-462] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 1.38Å

e1js8A2[A:2503-2791] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION

e1lnlC2[C:1-304] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CU,NAG ; X-RAY DIFFRACTION 3.3Å

e1js8B2[B:2503-2791] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION

e1lnlA2[A:1-304] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CU,NAG ; X-RAY DIFFRACTION 3.3Å

e1lnlB2[B:1-304] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CU ; X-RAY DIFFRACTION 3.3Å

e2y9wA1[A:2-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYPHENOL OXIDASE ; ligands: CU,HO,PEG ; X-RAY DIFFRACTION 2.30Å

e3nm8A1[A:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CL,CU,ZN ; X-RAY DIFFRACTION 2.0Å

e4d87A1[A:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU,SDS ; X-RAY DIFFRACTION 3.5Å

e1wx2A1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3,PER ; X-RAY DIFFRACTION 1.8Å

e3awsA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.24Å

e4hd4A1[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 1.8Å

e2ahkA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.71Å

e2ahlA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU1,NO3 ; X-RAY DIFFRACTION 1.6Å

e1wx4A1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3,PER ; X-RAY DIFFRACTION 1.5Å

e1wx5A1[A:2-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CL,NA ; X-RAY DIFFRACTION 2.02Å

e1wx5C1[C:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: NA ; X-RAY DIFFRACTION 2.02Å

e1wxcA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

tyrosinase ; ligands: NO3 ; X-RAY DIFFRACTION 1.2Å

e2zmxA1[A:2-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.33Å

e2zmyA1[A:2-278] Image Pymol Jmol Links: PDB, SCOP, CATH

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.45Å

e2zmzA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH

TYROSINASE ; ligands: CU1,NO3 ; X-RAY DIFFRACTION 1.37Å

e2zwdA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH

TYROSINASE ; ligands: CU1,NO3 ; X-RAY DIFFRACTION 1.35Å

e2zweA1[A:2-277] Image Pymol Jmol Links: PDB, SCOP, CATH

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.32Å

e2zwfA1[A:2-277] Image Pymol Jmol Links: PDB, SCOP, CATH

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.4Å

e2zwgA1[A:2-277] Image Pymol Jmol Links: PDB, SCOP, CATH

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.32Å

e2y9wB1[B:2-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYPHENOL OXIDASE ; ligands: CU,HO,PEG ; X-RAY DIFFRACTION 2.30Å

e2y9xA1[A:2-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYPHENOL OXIDASE ; ligands: 0TR,CU,HO ; X-RAY DIFFRACTION 2.78Å

e2y9xB1[B:2-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYPHENOL OXIDASE ; ligands: 0TR,CU,HO ; X-RAY DIFFRACTION 2.78Å

e2y9xC1[C:2-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYPHENOL OXIDASE ; ligands: 0TR,CU,HO ; X-RAY DIFFRACTION 2.78Å

e2y9xD1[D:2-392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYPHENOL OXIDASE ; ligands: 0TR,CU,HO ; X-RAY DIFFRACTION 2.78Å

e3npyA1[A:5-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CL,CU,ZN ; X-RAY DIFFRACTION 2.19Å

e3nq0B1[B:4-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU ; X-RAY DIFFRACTION 2.2Å

e3nq5B1[B:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 2.3Å

e3nm8B1[B:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CL,CU,ZN ; X-RAY DIFFRACTION 2.0Å

e3npyB1[B:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CL,CU,ZN ; X-RAY DIFFRACTION 2.19Å

e3nq0A1[A:4-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU ; X-RAY DIFFRACTION 2.2Å

e3nq1A1[A:4-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,KOJ,ZN ; X-RAY DIFFRACTION 2.3Å

e3nq1B1[B:4-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,KOJ,ZN ; X-RAY DIFFRACTION 2.3Å

e3nq5A1[A:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,ZN ; X-RAY DIFFRACTION 2.3Å

e3ntmA1[A:6-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU ; X-RAY DIFFRACTION 2.3Å

e3ntmB1[B:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU ; X-RAY DIFFRACTION 2.3Å

e3awtA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.35Å

e3awuA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.16Å

e3awvA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.4Å

e3awwA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.35Å

e3awxA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.25Å

e3awyA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.58Å

e3awzA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.43Å

e3ax0A1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU,NO3 ; X-RAY DIFFRACTION 1.4Å

e4hd4B1[B:1-283] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 1.8Å

e3qjoB1[B:2916-3207] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin 1 ; ligands: CU ; X-RAY DIFFRACTION 4Å

e3l6wB1[B:2916-3195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin 1 ; X-RAY DIFFRACTION 4.000Å

e3l6wA1[A:2916-3195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin 1 ; X-RAY DIFFRACTION 4.000Å

e3qjoA1[A:2916-3207] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin 1 ; ligands: CU ; X-RAY DIFFRACTION 4Å

e4j3pA1[A:5-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATECHOL OXIDASE ; ligands: CU,MAN,NAG,OXY,SO4 ; X-RAY DIFFRACTION 2.5Å

e4j3qA1[A:46-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATECHOL OXIDASE ; ligands: CU,NAG ; X-RAY DIFFRACTION 2.9Å

e4j3qB1[B:46-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATECHOL OXIDASE ; ligands: CU,NAG ; X-RAY DIFFRACTION 2.9Å

e4j3rA1[A:4-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATECHOL OXIDASE ; ligands: CU,MAN,NAG,OXY,SO4 ; X-RAY DIFFRACTION 2.2Å

e4j6tA1[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU ; X-RAY DIFFRACTION 2.43Å

e4bedA4[A:1-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedA2[A:404-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedA1[A:827-1138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedA3[A:1245-1546] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4j6uB1[B:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; X-RAY DIFFRACTION 2.5Å

e4j6tB1[B:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; ligands: CU ; X-RAY DIFFRACTION 2.43Å

e4j6uA1[A:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TYROSINASE ; X-RAY DIFFRACTION 2.5Å

e4j6vA1[A:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 1.900Å

e4j6vB1[B:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 1.900Å

e4bedC4[C:1-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedC1[C:404-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedC2[C:827-1138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedC3[C:1245-1546] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4d87B2[B:4-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 3.5Å

e4hd7A2[A:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 2.100Å

e4hd7B2[B:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 2.100Å

e4hd6A2[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 2.000Å

e4hd6B2[B:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU ; X-RAY DIFFRACTION 2.000Å

e3j32B10[B:2079-2382] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B3[B:2496-2792] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B16[B:2904-3202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B4[B:1-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B14[B:405-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B7[B:829-1138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B13[B:1245-1547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32B15[B:1659-1971] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e4ouaA1[A:2-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

proteolytically activated form of PPO4 Tyrosinase ; ligands: CU1,NA,TEW,TRS ; X-RAY DIFFRACTION 2.760Å

e4ouaB1[B:2-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

latent form of PPO4 Tyrosinase ; ligands: CU1,NA,TEW,TRS ; X-RAY DIFFRACTION 2.760Å

e4p6rA1[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: TYR,ZN ; X-RAY DIFFRACTION 2.200Å

e4p6rB1[B:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: TYR,ZN ; X-RAY DIFFRACTION 2.200Å

e4p6sB1[B:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: DAH,ZN ; X-RAY DIFFRACTION 2.200Å

e4p6tA1[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU,YRL ; X-RAY DIFFRACTION 2.500Å

e4p6tB1[B:4-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU,YRL ; X-RAY DIFFRACTION 2.500Å

e4p6sA1[A:5-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: DAH,ZN ; X-RAY DIFFRACTION 2.200Å

e4bedD1[D:1665-1969] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedD4[D:2077-2379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedD2[D:2494-2790] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedD3[D:2902-3197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4yd9F1[F:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9I1[I:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9L1[L:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9O1[O:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9R1[R:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9U1[U:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9X1[X:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9a1[a:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9d1[d:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9D2[D:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9G2[G:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9J2[J:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9M2[M:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9P2[P:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9S2[S:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9b2[b:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9E2[E:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9H2[H:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9K2[K:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9N2[N:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9Q2[Q:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9T2[T:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9W2[W:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9Z2[Z:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9c2[c:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9D4[D:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9G4[G:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9J4[J:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9M4[M:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9P4[P:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9S4[S:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9b4[b:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9D1[D:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9G1[G:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9J1[J:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9M1[M:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9P1[P:404-723] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9S1[S:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9b1[b:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9D3[D:1243-1548] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9G3[G:1243-1548] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9J3[J:1243-1548] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9M3[M:1243-1547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9P3[P:1243-1548] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9S3[S:1243-1548] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9b3[b:1243-1547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9E1[E:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9H1[H:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9K1[K:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9N1[N:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9Q1[Q:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9T1[T:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9W1[W:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9Z1[Z:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9c1[c:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9C2[C:2928-3209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9A5[A:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9V8[V:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9Y7[Y:828-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9B1[B:2493-2800] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9A8[A:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9V5[V:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9Y2[Y:1-299] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9A4[A:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9V4[V:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9Y6[Y:404-724] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO ; X-RAY DIFFRACTION 3.00Å

e4yd9A2[A:1243-1547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9V2[V:1243-1547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9Y8[Y:1243-1547] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e4yd9B2[B:2083-2392] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hemocyanin ; ligands: CUO,NAG ; X-RAY DIFFRACTION 3.00Å

e5i38A1[A:5-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU,KOJ ; X-RAY DIFFRACTION 2.500Å

e5i38B1[B:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: CU,KOJ ; X-RAY DIFFRACTION 2.500Å

e5i3aA1[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: HQE,ZN ; X-RAY DIFFRACTION 1.982Å

e5i3aB1[B:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: HQE,ZN ; X-RAY DIFFRACTION 1.982Å

e5i3bA1[A:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: HQE,ZN ; X-RAY DIFFRACTION 2.200Å

e5i3bB1[B:4-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosinase ; ligands: HQE,ZN ; X-RAY DIFFRACTION 2.200Å

e5m6bB2[B:3-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polyphenol oxidase 4 ; ligands: CU ; X-RAY DIFFRACTION 3.25Å

e5m6bA1[A:3-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polyphenol oxidase 4 ; ligands: CU,O ; X-RAY DIFFRACTION 3.25Å

e5m6bC2[C:3-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polyphenol oxidase 4 ; ligands: CU ; X-RAY DIFFRACTION 3.25Å

e5m6bD2[D:3-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polyphenol oxidase 4 ; ligands: CU ; X-RAY DIFFRACTION 3.25Å

e5m8lA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.35Å

e5m8lB1[B:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,NAG,ZN ; X-RAY DIFFRACTION 2.35Å

e5m8lC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.35Å

e5m8lD1[D:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,NAG,ZN ; X-RAY DIFFRACTION 2.35Å

e5m8mA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.65Å

e5m8mB1[B:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,NAG,ZN ; X-RAY DIFFRACTION 2.65Å

e5m8mC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,NAG,ZN ; X-RAY DIFFRACTION 2.65Å

e5m8mD1[D:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.65Å

e5m8nA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MAN,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.6Å

e5m8nB1[B:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.6Å

e5m8nC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.6Å

e5m8nD1[D:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.6Å

e5m8oA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: 0TR,FUC,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.5Å

e5m8oC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: 0TR,FUC,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.5Å

e5m8pB1[B:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MAN,NAG,TYR,ZN ; X-RAY DIFFRACTION 2.8Å

e5m8pC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MAN,NAG,TYR,ZN ; X-RAY DIFFRACTION 2.8Å

e5m8qA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,NAG,ZN ; X-RAY DIFFRACTION 2.85Å

e5m8qB1[B:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,NAG,ZN ; X-RAY DIFFRACTION 2.85Å

e5m8qC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,NAG,ZN ; X-RAY DIFFRACTION 2.85Å

e5m8qD1[D:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,KOJ,NAG,ZN ; X-RAY DIFFRACTION 2.85Å

e5m8rA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.40Å

e5m8rB1[B:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.40Å

e5m8rC1[C:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.40Å

e5m8rD1[D:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: FUC,MMS,NAG,ZN ; X-RAY DIFFRACTION 2.40Å

e5m8tA1[A:25-470] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5,6-dihydroxyindole-2-carboxylic acid oxidase ; ligands: 0TR,FUC,MAN,NAG,ZN ; X-RAY DIFFRACTION 2.35Å

Next

e3j32A1[A:1-300] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

3j32 is a homology model based on 1js8

e3j32A11[A:2079-2382] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32A13[A:2496-2792] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32A15[A:2904-3202] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32A3[A:405-725] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32A5[A:829-1138] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32A7[A:1245-1547] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e3j32A9[A:1659-1971] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hemocyanin isoform 1 ; ELECTRON MICROSCOPY

e4bedB1[B:1665-1969] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedB3[B:2077-2379] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedB5[B:2494-2790] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

e4bedB7[B:2902-3197] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HEMOCYANIN KLH1 ; ligands: CUO ; ELECTRON MICROSCOPY

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

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