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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

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: ClpS-like

contains a HTH motif

X: UBC-like
H: UBC-like
T: UBC-like
F: UQ_con

PF00179 CL0208

Representatives:

e1z2uA1[A:1-147] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 2 ; ligands: BU3,CL,NA,UNX ; X-RAY DIFFRACTION 1.10Å

e2uyzA1[A:3-158] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-CONJUGATING ENZYME UBC9 ; ligands: NA ; X-RAY DIFFRACTION 1.400Å

e1jatB1[B:2-137] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN-CONJUGATING ENZYME VARIANT MMS2 ; X-RAY DIFFRACTION 1.6Å

e5nl8A1[A:4-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-21 kDa ; X-RAY DIFFRACTION 2.02Å

e5vnzE1[E:3-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 3.410Å

e5nkzA1[A:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-21 kDa ; X-RAY DIFFRACTION 2.85Å

e5nkzB1[B:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-21 kDa ; X-RAY DIFFRACTION 2.85Å

e5vnzB1[B:3-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 3.410Å

e5vo0B1[B:4-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 3.900Å

e5vo0E1[E:3-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 3.900Å

e5lbnA1[A:40-193] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 E1 ; ligands: GOL ; X-RAY DIFFRACTION 1.42Å

e5ywrA1[A:3-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; ligands: FMT,PGE ; X-RAY DIFFRACTION 1.47Å

e6cp0B1[B:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D3 ; X-RAY DIFFRACTION 2.9Å

e6mj9A1[A:11-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme ; X-RAY DIFFRACTION 1.850Å

e6djwC1[C:0-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; X-RAY DIFFRACTION 3.800Å

e6cp2B1[B:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; X-RAY DIFFRACTION 2.90Å

e6djxC1[C:0-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; X-RAY DIFFRACTION 4.800Å

e6n13C1[C:501-654] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; SOLUTION NMR

e6if1A1[A:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 K ; X-RAY DIFFRACTION 2.466Å

e6if1B1[B:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 K ; X-RAY DIFFRACTION 2.466Å

e6hprC1[C:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 1.7Å

e5zbuC1[C:0-147] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 3.20Å

e5zbuB1[B:0-146] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 3.20Å

e6jb6A1[A:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 K ; X-RAY DIFFRACTION 2.67Å

e6jb7A1[A:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 K ; X-RAY DIFFRACTION 2.05Å

e6q83B1[B:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBC9 ; X-RAY DIFFRACTION 4.530Å

e6fgaJ1[J:38-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; ligands: GOL ; X-RAY DIFFRACTION 2.82Å

e6fgaI1[I:44-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; ligands: GOL ; X-RAY DIFFRACTION 2.82Å

e6fgaK1[K:43-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; X-RAY DIFFRACTION 2.82Å

e6fgaL1[L:46-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; X-RAY DIFFRACTION 2.82Å

e6fgaM1[M:44-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; X-RAY DIFFRACTION 2.82Å

e6fgaN1[N:42-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; ligands: GOL ; X-RAY DIFFRACTION 2.82Å

e6fgaO1[O:46-193] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E1 ; X-RAY DIFFRACTION 2.82Å

e6gv3A1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-conjugating enzyme SCE1 ; X-RAY DIFFRACTION 1.201Å

e6gumA1[A:4-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-conjugating enzyme SCE1 ; ligands: GOL ; X-RAY DIFFRACTION 1.792Å

e6qhkA1[A:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 S ; ligands: CL,EDO,PA0 ; X-RAY DIFFRACTION 1.96Å

e6d6iB1[B:3-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.550Å

e6d6iE1[E:3-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.550Å

e6d4pA1[A:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D1 ; X-RAY DIFFRACTION 2.1Å

e6d68A1[A:0-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 G1 ; X-RAY DIFFRACTION 2.350Å

e6d68B1[B:3-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 G1 ; X-RAY DIFFRACTION 2.350Å

e6qh3A1[A:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 S ; ligands: EDO ; X-RAY DIFFRACTION 2.90Å

e6qh3B1[B:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 S ; ligands: EDO ; X-RAY DIFFRACTION 2.90Å

e6d6iA1[A:12-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 variant 1 ; X-RAY DIFFRACTION 2.550Å

e6d6iD1[D:12-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 variant 1 ; X-RAY DIFFRACTION 2.550Å

e6op8A1[A:3-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-18 kDa ; ligands: EDO,NA ; X-RAY DIFFRACTION 1.703Å

e6nyoA1[A:5-192] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 R2 ; ligands: EDO,PO4,U94 ; X-RAY DIFFRACTION 1.5Å

e6nyaC1[C:3-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; ligands: EDO ; X-RAY DIFFRACTION 2.07Å

e6nyaF1[F:5-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 2.07Å

e6nydC1[C:3-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; ligands: ACT,ZN ; X-RAY DIFFRACTION 1.65Å

e6s53C1[C:4-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.8Å

e6s53E1[E:5-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.8Å

e6s53K1[K:4-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.8Å

e6s53I1[I:4-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.8Å

e6r75A1[A:-3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 T ; X-RAY DIFFRACTION 2.000Å

e6jkyB1[B:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.45Å

e6jkyE1[E:3-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.45Å

e6xxuA1[A:1-154] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; SOLUTION NMR

e6ttuD1[D:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ELECTRON MICROSCOPY

e6kg6G1[G:1-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.39Å

e6kfpB1[B:3-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.92Å

e6kl4B1[B:2-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.85Å

e6sqoB1[B:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: CL,NO3 ; X-RAY DIFFRACTION 1.41Å

e7bxgB1[B:3-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.7Å

e6p5bC1[C:3-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.099Å

e6ulhC1[C:2-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 1.968Å

e6umpC1[C:3-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.8Å

e6umsC1[C:3-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.34Å

e6w9aA1[A:48-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E2 ; ligands: GOL ; X-RAY DIFFRACTION 2.300Å

e6w9aC1[C:48-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 E2 ; ligands: GOL ; X-RAY DIFFRACTION 2.300Å

e6w9dA1[A:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 3.189Å

e6w9dD1[D:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 3.189Å

e6w9dG1[G:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: IOD ; X-RAY DIFFRACTION 3.189Å

e6w7zA1[A:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: GOL ; X-RAY DIFFRACTION 1.800Å

e6zm3AAA1[AAA:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative ubiquitin-conjugating enzyme e2 ; X-RAY DIFFRACTION 1.65Å

e6t7fB1[B:-2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D3 ; ligands: LWZ ; X-RAY DIFFRACTION 2.58Å

e6syfB1[B:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-conjugating enzyme UBC9 ; X-RAY DIFFRACTION 1.900Å

e6zm3BBB1[BBB:1-138] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme-like protein ; X-RAY DIFFRACTION 1.65Å

e6zm3CCC1[CCC:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative ubiquitin-conjugating enzyme e2 ; X-RAY DIFFRACTION 1.65Å

e6syfA1[A:5-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-conjugating enzyme UBC9 ; X-RAY DIFFRACTION 1.900Å

e6syfC1[C:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-conjugating enzyme UBC9 ; X-RAY DIFFRACTION 1.900Å

e6syfD1[D:5-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SUMO-conjugating enzyme UBC9 ; X-RAY DIFFRACTION 1.900Å

e6sqoE1[E:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: CL,NO3 ; X-RAY DIFFRACTION 1.41Å

e6sqrB1[B:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: EDO ; X-RAY DIFFRACTION 2.18Å

e6sqrE1[E:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.18Å

e6sqrH1[H:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: EDO,NO3 ; X-RAY DIFFRACTION 2.18Å

e6sqrK1[K:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: EDO ; X-RAY DIFFRACTION 2.18Å

e6sqsB1[B:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 1.83Å

e6sqsE1[E:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 1.83Å

e6zm3DDD1[DDD:1-138] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme-like protein ; X-RAY DIFFRACTION 1.65Å

e6s96A1[A:8-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 S ; ligands: FMT,NA ; X-RAY DIFFRACTION 2.18Å

e6lp2D1[D:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.479Å

e7bbdC1[C:0-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.2Å

e7bbdA1[A:-4-144] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 variant 2 ; X-RAY DIFFRACTION 2.2Å

e7b5lD1[D:1-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; ligands: SY8 ; ELECTRON MICROSCOPY

e7b5nD1[D:1-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; ligands: SY8 ; ELECTRON MICROSCOPY

e7jzvA2[A:105-347] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BRCA1,Ubiquitin-conjugating enzyme E2 D3 ; ELECTRON MICROSCOPY

e7bbfH1[H:4-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 variant 2 ; X-RAY DIFFRACTION 2.54Å

e7bbfB1[B:5-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 variant 2 ; X-RAY DIFFRACTION 2.54Å

e7bbfE1[E:5-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 variant 2 ; X-RAY DIFFRACTION 2.54Å

e7bbfG1[G:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.54Å

e7bbfD1[D:4-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.54Å

e7bbfA1[A:3-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 N ; X-RAY DIFFRACTION 2.54Å

e7ahzBBB1[BBB:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2D 2 (UBC4/5 homolog, yeast) ; X-RAY DIFFRACTION 1.82Å

e7ahzEEE1[EEE:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2D 2 (UBC4/5 homolog, yeast) ; X-RAY DIFFRACTION 1.82Å

e7ahzHHH1[HHH:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2D 2 (UBC4/5 homolog, yeast) ; ligands: CL ; X-RAY DIFFRACTION 1.82Å

e7ahzKKK1[KKK:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2D 2 (UBC4/5 homolog, yeast) ; X-RAY DIFFRACTION 1.82Å

e7ai0BBB1[BBB:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: CL,EDO ; X-RAY DIFFRACTION 1.559Å

e7ai0EEE1[EEE:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: EDO ; X-RAY DIFFRACTION 1.559Å

e7ai1BBB1[BBB:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; ligands: EDO ; X-RAY DIFFRACTION 2.07Å

e7ai1EEE1[EEE:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.07Å

e7kzrX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 T ; ELECTRON MICROSCOPY

e7bolA1[A:0-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 1.797Å

e6m2cA1[A:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.700Å

e7k5jJ1[J:6-98,J:118-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7kzsX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 T ; ELECTRON MICROSCOPY

e7kztX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 T ; ELECTRON MICROSCOPY

e7kzvX1[X:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 T ; ELECTRON MICROSCOPY

e6m2cB1[B:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.700Å

e6m2cC1[C:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.700Å

e6m2cD1[D:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.700Å

e7k5jF1[F:7-95,F:117-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7k5jB1[B:6-95,B:117-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7k5jE1[E:7-94,E:117-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7k5jH1[H:7-96,H:118-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7k5jV1[V:7-89,V:118-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7k5jL1[L:6-98,L:118-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e7k5jT1[T:6-98,T:119-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.42Å

e6zhuF1[F:1-178] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.18Å

e6zhtB1[B:0-152] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 13 ; ligands: GOL ; X-RAY DIFFRACTION 2.300Å

e7ojxB1[B:1-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 K ; ligands: ME7 ; X-RAY DIFFRACTION 2.400Å

e6zhuB1[B:2-178] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.18Å

e6zhuD1[D:6-178] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.18Å

e6zhuH1[H:1-178] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2-34 kDa ; X-RAY DIFFRACTION 3.18Å

e6zhsB1[B:0-151] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 13 ; X-RAY DIFFRACTION 2.350Å

e6zhsC1[C:1-151] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 13 ; X-RAY DIFFRACTION 2.350Å

e7v8fA1[A:0-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; ligands: ZN ; X-RAY DIFFRACTION 1.66Å

e7r71C1[C:0-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D2 ; X-RAY DIFFRACTION 2.7960Å

e7oikB1[B:0-152] Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin-conjugating enzyme E2 L3 ; ELECTRON MICROSCOPY

e7uv8A1[A:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 2 ; X-RAY DIFFRACTION 2.700Å

e7uvcA1[A:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 2 ; X-RAY DIFFRACTION 3.05Å

e7zj3E1[E:0-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D1 ; X-RAY DIFFRACTION 2.53Å

e7zj3H1[H:-3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D1 ; X-RAY DIFFRACTION 2.53Å

e7zj3K1[K:1-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D1 ; X-RAY DIFFRACTION 2.53Å

e7zj3B1[B:0-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 D1 ; X-RAY DIFFRACTION 2.53Å

e8eazC1[C:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; X-RAY DIFFRACTION 3.08Å

e8eazD1[D:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; X-RAY DIFFRACTION 3.08Å

e8eb0B1[B:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 L3 ; X-RAY DIFFRACTION 3.03Å

e7w75A1[A:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 2 ; X-RAY DIFFRACTION 3.2Å

e7w75B1[B:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 2 ; X-RAY DIFFRACTION 3.2Å

e7w76A1[A:0-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 2 ; ligands: GOL ; X-RAY DIFFRACTION 3.050Å

e7w76B1[B:-1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 2 ; ligands: GOL ; X-RAY DIFFRACTION 3.050Å

e8grmP1[P:2-147] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

UbcH5b ; ELECTRON MICROSCOPY

e8grqN1[N:1-147] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Ubiquitin-conjugating enzyme E2D 3 (UBC4/5 homolog, yeast), isoform CRA_a ; ELECTRON MICROSCOPY

e8a58A1[A:2-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 W ; X-RAY DIFFRACTION 2.25Å

e8a58B1[B:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 W ; X-RAY DIFFRACTION 2.25Å

e8odrA1[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.85Å

e8iegR1[R:3-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8se9C1[C:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b3iD1[D:2-147] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e7wlhB1[B:3-175] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.650Å

e8tarQ1[Q:29-173] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e7xedA1[A:0-148] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.5Å

e8gcbA1[A:-1-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.390Å

e8iejR1[R:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

Previous

e1zuoA1[A:201-362] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYPOTHETICAL PROTEIN LOC92912 ; ligands: BME ; X-RAY DIFFRACTION 1.8Å

e2fo3A1[A:9-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme ; X-RAY DIFFRACTION 1.86Å

e1zdnA1[A:6-156] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN-CONJUGATING ENZYME E2S ; ligands: NA ; X-RAY DIFFRACTION 1.93Å

e1i7kA1[A:30-175] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN-CONJUGATING ENZYME E2 H10 ; X-RAY DIFFRACTION 1.94Å

e1yf9A1[A:13-170] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Ubiquitin carrier protein 4 ; ligands: CL ; X-RAY DIFFRACTION 2.0Å

e2f4wA1[A:12-168] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN-CONJUGATING ENZYME E2, J2 ; X-RAY DIFFRACTION 2.0Å

e3cegA1[A:4493-4790] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 6 ; X-RAY DIFFRACTION 2.01Å

e1wzvA1[A:2-151] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

UBIQUITIN-CONJUGATING ENZYME E2 L6 ; X-RAY DIFFRACTION 2.1Å

e2awfA1[A:7-131] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN-CONJUGATING ENZYME E2 G1 ; X-RAY DIFFRACTION 2.1Å

e1yrvA1[A:1-148] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ubiquitin-conjugating ligase MGC351130 ; X-RAY DIFFRACTION 2.181Å

e1y8xA1[A:27-183] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin-conjugating enzyme E2 M ; X-RAY DIFFRACTION 2.4Å

e1jasA1[A:1-152] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UBIQUITIN-CONJUGATING ENZYME E2-17 KDA ; SOLUTION NMR

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 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