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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

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

X: Cysteine proteinases-like
H: Cysteine proteinases
T: Cysteine proteinases
F: Peptidase_C65

PF10275 CL0125

Representatives:

e1tffA1[A:7-234] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thiolesterase protein OTUB2 ; X-RAY DIFFRACTION 2.1Å

e8cmsAAA1[AAA:6-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: V2X ; X-RAY DIFFRACTION 1.77Å

e4ddgB1[B:1030-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.2987Å

e4dhiB1[B:38-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN THIOESTERASE OTUBAIN-LIKE ; X-RAY DIFFRACTION 1.8Å

e3vonA1[A:45-270] Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 3.15Å

e4i6lA1[A:43-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 2.49Å

e2zfyA1[A:45-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 1.69Å

e4fjvA1[A:2-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase OTUB2 ; ligands: GOL,NEH ; X-RAY DIFFRACTION 2.047Å

e4fjvC1[C:3-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase OTUB2 ; ligands: GOL,NEH ; X-RAY DIFFRACTION 2.047Å

e4ddgK2[K:1026-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.2987Å

e4ddgJ2[J:1026-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.2987Å

e4ddgC2[C:1026-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.2987Å

e4ldtA1[A:19-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase otubain-like ; ligands: EDO ; X-RAY DIFFRACTION 1.901Å

e3vonc1[c:45-270] Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 3.15Å

e3vonO1[O:45-271] Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 3.15Å

e3vonV1[V:45-271] Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 3.15Å

e3vonj1[j:46-270] Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 3.15Å

e3vonH1[H:45-270] Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN THIOESTERASE OTUB1 ; X-RAY DIFFRACTION 3.15Å

e4ddiA5[A:1047-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.7958Å

e4ddiC5[C:1047-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.7958Å

e4dhzA2[A:20-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase otubain-like ; X-RAY DIFFRACTION 3.10Å

e4ddgL4[L:1047-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.2987Å

e4dhjE1[E:52-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase otubain-like ; X-RAY DIFFRACTION 2.35Å

e4dhjI1[I:36-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase otubain-like ; X-RAY DIFFRACTION 2.35Å

e4dhjL1[L:38-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase otubain-like ; X-RAY DIFFRACTION 2.35Å

e4ddgA1[A:1047-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.2987Å

e4ddiB1[B:1047-1271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2, Ubiquitin thioesterase OTUB1 ; X-RAY DIFFRACTION 3.7958Å

e4dhjA1[A:28-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin thioesterase otubain-like ; X-RAY DIFFRACTION 2.35Å

e5qioA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: J4Y,UNL ; X-RAY DIFFRACTION 1.460Å

e5qipA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J51,PEG ; X-RAY DIFFRACTION 1.630Å

e5qiqA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5A,PEG ; X-RAY DIFFRACTION 1.440Å

e5qirA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5D,PEG ; X-RAY DIFFRACTION 1.430Å

e5qisA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5G,PEG ; X-RAY DIFFRACTION 1.530Å

e5qitA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5J,PEG ; X-RAY DIFFRACTION 1.460Å

e5qiuA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5M,UNL ; X-RAY DIFFRACTION 1.560Å

e5qivA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5P,UNL ; X-RAY DIFFRACTION 1.390Å

e5qiwA1[A:0-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: J5S,UNL ; X-RAY DIFFRACTION 1.710Å

e5qixA1[A:6-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: EDO,J5V,UNL ; X-RAY DIFFRACTION 1.390Å

e5qiyA1[A:0-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: J61,UNL ; X-RAY DIFFRACTION 1.580Å

e5qizA1[A:0-230] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin thioesterase OTUB2 ; ligands: J64,UNL ; X-RAY DIFFRACTION 1.630Å

e6k9nA1[A:75-324] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin thioesterase ; X-RAY DIFFRACTION 2.25Å

e6k9nB1[B:75-324] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin thioesterase ; X-RAY DIFFRACTION 2.25Å

e6k9nC1[C:75-324] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin thioesterase ; X-RAY DIFFRACTION 2.25Å

e6k9nD1[D:75-324] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin thioesterase ; X-RAY DIFFRACTION 2.25Å

e6kbeB1[B:75-324] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin thioesterase ; X-RAY DIFFRACTION 1.98Å

e6k9pB1[B:73-324] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin thioesterase ; X-RAY DIFFRACTION 1.62Å

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.

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