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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

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

X: cradle loop barrel

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365

H: RIFT-related
T: acid protease

126354, 3-crossover-4

T: double psi

152436, 2-crossover-3, 5-crossover-6

T: AbrB

122'1'344'3', 2-crossover-3, 2'-crossover-3'

T: Bacterial fluorinating enzyme-C

1265437, 2-crossover-3, 6-crossover-7

T: FMN-binding split barrel

123654, 3-crossover-4

F: Peptidase_C30

PF05409 CL0124

Representatives:

e2ducA2[A:1-186] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; X-RAY DIFFRACTION 1.7Å

e8dryI2[I:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; X-RAY DIFFRACTION 2.49Å

e8dryJ1[J:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; X-RAY DIFFRACTION 2.49Å

e8dryL1[L:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; X-RAY DIFFRACTION 2.49Å

e8ds0A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.200Å

e8ds0B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.200Å

e8ds1C2[C:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.19Å

e8ds1D1[D:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.19Å

e8ds1I2[I:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1J1[J:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds2B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: GOL ; X-RAY DIFFRACTION 1.6Å

e8ds2A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: GOL ; X-RAY DIFFRACTION 1.6Å

e8dz1A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: 7YY,DMS ; X-RAY DIFFRACTION 2Å

e8ehmA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 1.84Å

e8ehmB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 1.84Å

e8e5zA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: UQO,WJB ; X-RAY DIFFRACTION 1.800Å

e8e69A2[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: WIO ; X-RAY DIFFRACTION 2.260Å

e8ds1A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1E2[E:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1F2[F:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1G2[G:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1H1[H:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1K2[K:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8ds1L2[L:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: PEG ; X-RAY DIFFRACTION 2.19Å

e8dzaA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 1.96Å

e8dz2B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 2.129Å

e8dz6B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 2.366Å

e8dzaB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 1.96Å

e8ehjA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.28Å

e8ehjB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.28Å

e7sf3A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 90H ; X-RAY DIFFRACTION 1.750Å

e7sghC2[C:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 99W ; X-RAY DIFFRACTION 1.850Å

e7sghD2[D:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 99W ; X-RAY DIFFRACTION 1.850Å

e8drsC2[C:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 1.40Å

e8drtB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 1.26Å

e8drtA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 1.26Å

e8drvA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp8-nsp9 (C8) cut site ; X-RAY DIFFRACTION 2.200Å

e8drvB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp8-nsp9 (C8) cut site ; ligands: 1PE ; X-RAY DIFFRACTION 2.200Å

e8drwA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwC2[C:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwD1[D:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwE1[E:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwF2[F:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwG1[G:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwH1[H:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwI1[I:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwJ1[J:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwK2[K:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwL1[L:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwM1[M:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drwN2[N:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp9-nsp10 (C9) cut site ; ligands: 1PE,PEG,PO4 ; X-RAY DIFFRACTION 2.67Å

e8drzB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 1PE,NA,PEG,TRS ; X-RAY DIFFRACTION 1.980Å

e8drzC2[C:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: NA,PEG,TRS ; X-RAY DIFFRACTION 1.980Å

e8drzD2[D:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 1PE,NA,PEG ; X-RAY DIFFRACTION 1.980Å

e8drzE2[E:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: NA,PEG,TRS ; X-RAY DIFFRACTION 1.980Å

e8drzF1[F:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: NA,PEG,TRS ; X-RAY DIFFRACTION 1.980Å

e8drzG1[G:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: NA,PEG,TRS ; X-RAY DIFFRACTION 1.980Å

e8drxA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp10-nsp11 (C10) cut site ; X-RAY DIFFRACTION 1.500Å

e8drxB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp10-nsp11 (C10) cut site ; X-RAY DIFFRACTION 1.500Å

e8dryA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; X-RAY DIFFRACTION 2.49Å

e8dryB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; ligands: PEG ; X-RAY DIFFRACTION 2.49Å

e8dryE2[E:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; ligands: PEG ; X-RAY DIFFRACTION 2.49Å

e8dryK2[K:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion protein of 3C-like proteinase nsp5 and nsp12-nsp13 (C12) cut site ; X-RAY DIFFRACTION 2.49Å

e8ehkA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.18Å

e8dz0B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 7YY,DMS ; X-RAY DIFFRACTION 2.28Å

e8dz1B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: 7YY,DMS ; X-RAY DIFFRACTION 2Å

e7sf1A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 8ZI ; X-RAY DIFFRACTION 1.850Å

e7sfhA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 91I,CA ; X-RAY DIFFRACTION 1.400Å

e7sfiA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 91Z,CA ; X-RAY DIFFRACTION 1.950Å

e7sghB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 99W ; X-RAY DIFFRACTION 1.850Å

e7ukkA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: K36 ; X-RAY DIFFRACTION 2.0Å

e8acdA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: LQ6 ; X-RAY DIFFRACTION 1.32Å

e8aclA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: LQL ; X-RAY DIFFRACTION 1.34Å

e8e63A2[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: UUR,UV2 ; X-RAY DIFFRACTION 1.750Å

e8e63B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: UUR,UV2 ; X-RAY DIFFRACTION 1.750Å

e8ehlA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.19Å

e7sfbA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 90U,PEG ; X-RAY DIFFRACTION 1.900Å

e8e69B1[B:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: WIO ; X-RAY DIFFRACTION 2.260Å

e8doxA1[A:0-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; ligands: DMS,T2L ; X-RAY DIFFRACTION 1.46Å

e8dz0A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 7YY,DMS ; X-RAY DIFFRACTION 2.28Å

e8dz2A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 2.129Å

e8dz6A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 2.366Å

e7sghA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 99W ; X-RAY DIFFRACTION 1.850Å

e8e6aA2[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: WIX,WJ0 ; X-RAY DIFFRACTION 2.050Å

e8e6aB1[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: WIX,WJ0 ; X-RAY DIFFRACTION 2.050Å

e8e5zB2[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: UQO,WJB ; X-RAY DIFFRACTION 1.800Å

e7uj9A1[A:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.25Å

e7uj9C1[C:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.25Å

e7ujgA1[A:6-190] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: K36 ; X-RAY DIFFRACTION 1.80Å

e7ujgB1[B:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: K36 ; X-RAY DIFFRACTION 1.80Å

e7ujuA1[A:6-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI ; X-RAY DIFFRACTION 1.85Å

e7ujuB1[B:6-196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI ; X-RAY DIFFRACTION 1.85Å

e8f44B1[B:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: PG4,XFF,XFR ; X-RAY DIFFRACTION 1.65Å

e8ey2A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ELECTRON MICROSCOPY

e8ey2B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ELECTRON MICROSCOPY

e8eyjA2[A:0-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI ; X-RAY DIFFRACTION 1.738Å

e8eyjB1[B:0-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI ; X-RAY DIFFRACTION 1.738Å

e7mauB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DIO,SO4,YVP ; X-RAY DIFFRACTION 1.95Å

e8f44A2[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: XFF,XFR ; X-RAY DIFFRACTION 1.65Å

e8f45A1[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: XF8 ; X-RAY DIFFRACTION 1.65Å

e8f46A1[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: XCK ; X-RAY DIFFRACTION 1.50Å

e7wqiA2[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 80I ; X-RAY DIFFRACTION 1.93Å

e7wqiB1[B:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: 80I ; X-RAY DIFFRACTION 1.93Å

e7matA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: H37 ; X-RAY DIFFRACTION 2.74Å

e7mb0B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVG ; X-RAY DIFFRACTION 1.54Å

e7mb1A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVJ ; X-RAY DIFFRACTION 1.43Å

e7mb1B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVJ ; X-RAY DIFFRACTION 1.43Å

e7mb2A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVM ; X-RAY DIFFRACTION 1.89Å

e7mb2B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVM ; X-RAY DIFFRACTION 1.89Å

e8a4tA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: O6K ; X-RAY DIFFRACTION 2.50Å

e8e25B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 1.868Å

e7matB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: H37 ; X-RAY DIFFRACTION 2.74Å

e7mauA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DIO,SO4,YVP ; X-RAY DIFFRACTION 1.95Å

e7mavA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVY ; X-RAY DIFFRACTION 1.91Å

e7mavB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVY ; X-RAY DIFFRACTION 1.91Å

e7mawA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVA ; X-RAY DIFFRACTION 2.07Å

e7mawB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVA ; X-RAY DIFFRACTION 2.07Å

e7maxA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YV7 ; X-RAY DIFFRACTION 1.98Å

e7maxB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YV7 ; X-RAY DIFFRACTION 1.98Å

e7mazA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVD ; X-RAY DIFFRACTION 1.70Å

e7mazB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVD ; X-RAY DIFFRACTION 1.70Å

e7mb3A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVV ; X-RAY DIFFRACTION 1.81Å

e7mb3C2[C:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVV ; X-RAY DIFFRACTION 1.81Å

e7mb3F2[F:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVV ; X-RAY DIFFRACTION 1.81Å

e8b2tA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: OW1 ; X-RAY DIFFRACTION 1.89Å

e7q5eB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 90I ; X-RAY DIFFRACTION 1.67Å

e7q5fB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 90X,NO3,SO4 ; X-RAY DIFFRACTION 1.72Å

e7qkaA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase nsp5 ; ligands: DMS,UED ; X-RAY DIFFRACTION 1.8Å

e7zqvA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: XNV ; X-RAY DIFFRACTION 2.26Å

e7zqvB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: XNV ; X-RAY DIFFRACTION 2.26Å

e7zv8A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: DMS,OCA ; X-RAY DIFFRACTION 1.937Å

e8e4jA2[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; X-RAY DIFFRACTION 1.90Å

e8e4jB2[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; X-RAY DIFFRACTION 1.90Å

e8e4rA1[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: K36 ; X-RAY DIFFRACTION 1.80Å

e8e4rB2[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: K36 ; X-RAY DIFFRACTION 1.80Å

e7ygqA1[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: HUR ; X-RAY DIFFRACTION 2.04Å

e8a4qA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: DMS,V9R ; X-RAY DIFFRACTION 1.75Å

e8e25A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 1.868Å

e8e26A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 1.845Å

e8e26B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 4WI,DMS ; X-RAY DIFFRACTION 1.845Å

e7lcrA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: XTM ; X-RAY DIFFRACTION 1.95Å

e7lcrB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: XTM ; X-RAY DIFFRACTION 1.95Å

e7pxzA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; X-RAY DIFFRACTION 1.75Å

e7q5eA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 90I,CL ; X-RAY DIFFRACTION 1.67Å

e7q5fA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 90X,CL,EDO,SO4 ; X-RAY DIFFRACTION 1.72Å

e7sd9A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 8T6 ; X-RAY DIFFRACTION 1.85Å

e7sdaA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 8UI ; X-RAY DIFFRACTION 1.85Å

e7sdcA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: I80 ; X-RAY DIFFRACTION 1.85Å

e7uu6A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 1.85Å

e7uu7A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.49Å

e7uu8A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.50Å

e7uu9A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.47Å

e7uubA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 7VB,DMS ; X-RAY DIFFRACTION 1.63Å

e7uucA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 81L ; X-RAY DIFFRACTION 1.60Å

e7uudA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: I71 ; X-RAY DIFFRACTION 1.85Å

e7uueA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: I65 ; X-RAY DIFFRACTION 1.85Å

e7xarA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: BOV,CL,NI ; X-RAY DIFFRACTION 1.60Å

e7xarB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: BOV,NI ; X-RAY DIFFRACTION 1.60Å

e7zv8B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: DMS,OCA ; X-RAY DIFFRACTION 1.937Å

e7uuaA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: NOL ; X-RAY DIFFRACTION 1.85Å

e7zqwA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: XNV ; X-RAY DIFFRACTION 2.53Å

e7mb3E2[E:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVV ; X-RAY DIFFRACTION 1.81Å

e8b0sA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: AU ; X-RAY DIFFRACTION 2.4Å

e8b0tA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: AU ; X-RAY DIFFRACTION 2.4Å

e8f46B1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: PG4,XCK ; X-RAY DIFFRACTION 1.50Å

e7pzqB2[B:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DMS ; X-RAY DIFFRACTION 2.2Å

e7wo2A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase ; ligands: 40I ; X-RAY DIFFRACTION 1.96Å

e7xq6A1[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.0Å

e7ygqB2[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: HUR ; X-RAY DIFFRACTION 2.04Å

e7zv5A2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: DMS ; X-RAY DIFFRACTION 1.999Å

e7zv7A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: DMS ; X-RAY DIFFRACTION 1.336Å

e8a4tB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: O6K ; X-RAY DIFFRACTION 2.50Å

e7mb0A1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVG ; X-RAY DIFFRACTION 1.54Å

e7mb3D1[D:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVV ; X-RAY DIFFRACTION 1.81Å

e7mb3B2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: YVV ; X-RAY DIFFRACTION 1.81Å

e7tekA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: I2D ; X-RAY DIFFRACTION 2.2Å

e7telA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: I2N ; X-RAY DIFFRACTION 2.4Å

e7pzqA2[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DMS ; X-RAY DIFFRACTION 2.2Å

e7xrsA2[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1a ; ligands: HUR ; X-RAY DIFFRACTION 1.93Å

e8f45B1[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase ; ligands: XF8 ; X-RAY DIFFRACTION 1.65Å

e7w9gA2[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: SE ; X-RAY DIFFRACTION 2.5Å

e7xq7A1[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; X-RAY DIFFRACTION 2.35Å

e7xrsB2[B:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1a ; ligands: HUR ; X-RAY DIFFRACTION 1.93Å

e7xryB2[B:1-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ORF1a ; ligands: HUR ; X-RAY DIFFRACTION 1.99Å

e7xryA1[A:3-189] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ORF1a ; ligands: HUR ; X-RAY DIFFRACTION 1.99Å

e8d35A2[A:3-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: CL,GOL,NA ; X-RAY DIFFRACTION 1.90Å

e8d35B2[B:0-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å

e8eirA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ELECTRON MICROSCOPY

e8eirB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ELECTRON MICROSCOPY

e7wqaA1[A:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; X-RAY DIFFRACTION 1.80Å

e7z3uB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase nsp5 ; ligands: CL,DMS,RN2 ; X-RAY DIFFRACTION 1.72Å

e5smlA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DMS,O3R ; X-RAY DIFFRACTION 1.530Å

e5smmA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DMS,O46 ; X-RAY DIFFRACTION 1.580Å

e5smnA1[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase ; ligands: DMS,O4F ; X-RAY DIFFRACTION 1.360Å

e7z3uA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

3C-like proteinase nsp5 ; ligands: DMS,NA,RN2 ; X-RAY DIFFRACTION 1.72Å

e8aebA2[A:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 35J,DMS,NA ; X-RAY DIFFRACTION 1.83Å

e8dsuB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: DMS,GOL,V2M ; X-RAY DIFFRACTION 1.86Å

e8okmB2[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3C-like proteinase nsp5 ; ligands: 84C,DMS,MPD ; X-RAY DIFFRACTION 1.66Å

e7z2kB1[B:1-186] Image Pymol Jmol Links: PDB, SCOP, CATH

3C-like proteinase nsp5 ; ligands: CL,DMS,MLI ; X-RAY DIFFRACTION 1.65Å

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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.

T: Surface presentation of antigens (SPOA)

123654, 3-crossover-4, swapping

T: Alanine racemase-C

125436, 2-crossover-3, 5-crossover-6

T: Aminomethyltransferase beta-barrel domain

143256, 1-crossover-2, 4-crossover-5

T: PUA domain

12543, 2-crossover-3

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