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




Representatives:
e2bwfA1[A:2-74]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
UBIQUITIN-LIKE PROTEIN DSK2 ; ligands: FMT ; X-RAY DIFFRACTION 1.150Å
e1ogwA1[A:1-76]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
UBIQUITIN ; X-RAY DIFFRACTION 1.32Å
e6a6iD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: GOL ; X-RAY DIFFRACTION 2.6Å
e6a6iB1[B:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: GOL ; X-RAY DIFFRACTION 2.6Å
e6nqaL1[L:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6a6iF1[F:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.6Å
e6a6iH1[H:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.6Å
e6nn6L1[L:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6nogL1[L:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6j99L1[L:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e5zbuE1[E:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH
Ubiquitin ; X-RAY DIFFRACTION 3.20Å
e6njgC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.35Å
e5ymyA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e5ymyB1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6jltA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH
e6jb6B1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH
Ubiquitin ; X-RAY DIFFRACTION 2.67Å
e6jb7B1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH
Ubiquitin ; X-RAY DIFFRACTION 2.05Å
e6hekB1[B:-1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 3.030Å
e6heiB1[B:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 1.64Å
e6h4hC1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: AYE ; X-RAY DIFFRACTION 3.5Å
e6h4hD1[D:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: AYE ; X-RAY DIFFRACTION 3.5Å
e6qf8A1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; SOLUTION NMR
e6o96L1[L:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ELECTRON MICROSCOPY
e6jmaY1[Y:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6oi4C1[C:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ubiquitin ; ligands: EDO ; X-RAY DIFFRACTION 1.76Å
e6oi4D1[D:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ubiquitin ; ligands: EDO ; X-RAY DIFFRACTION 1.76Å
e6njdA1[A:-4-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Di-ubiquitin ; X-RAY DIFFRACTION 2.050Å
e6njdA2[A:72-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Di-ubiquitin ; ligands: MG ; X-RAY DIFFRACTION 2.050Å
e6njdC2[C:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Di-ubiquitin ; X-RAY DIFFRACTION 2.050Å
e6njdC1[C:72-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Di-ubiquitin ; X-RAY DIFFRACTION 2.050Å
e6o82B1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-60S ribosomal protein L40 ; ligands: JZU ; X-RAY DIFFRACTION 2.60Å
e6o82D1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-60S ribosomal protein L40 ; ligands: JZU ; X-RAY DIFFRACTION 2.60Å
e6o83B1[B:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-60S ribosomal protein L40 ; ligands: VMX ; X-RAY DIFFRACTION 3.15Å
e6o83D1[D:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-60S ribosomal protein L40 ; ligands: MPD,VMX ; X-RAY DIFFRACTION 3.15Å
e6oa9H1[H:101-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6oa9J1[J:201-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6d4pC1[C:-1-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin Variant Ubv.D1.1 ; X-RAY DIFFRACTION 2.1Å
e6n6rA2[A:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 1.95Å
e6n6rA1[A:72-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 1.95Å
e6n6rC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 1.95Å
e6n6rC2[C:74-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 1.95Å
e6n5mA1[A:-2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 3.01Å
e6n5mA2[A:69-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 3.01Å
e6d68C1[C:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubv.G1.1 ; X-RAY DIFFRACTION 2.350Å
e6d68D1[D:-1-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubv.G1.1 ; X-RAY DIFFRACTION 2.350Å
e6d6iC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubv.V1.1 ; X-RAY DIFFRACTION 2.550Å
e6d6iF1[F:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubv.V1.1 ; X-RAY DIFFRACTION 2.550Å
e6qk9E1[E:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9D1[D:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9F1[F:0-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9I1[I:-1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9A1[A:0-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9B1[B:0-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9C1[C:0-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9H1[H:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9J1[J:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9K1[K:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6qk9L1[L:0-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.23Å
e6nyaB1[B:-1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: ATP,EDO ; X-RAY DIFFRACTION 2.07Å
e6nyoE1[E:-1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: EDO,U94 ; X-RAY DIFFRACTION 1.5Å
e6nyaE1[E:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: ATP,EDO ; X-RAY DIFFRACTION 2.07Å
e6ob1A1[A:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6ob1B1[B:100-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e5zd0A1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ubiquitin ; SOLUTION NMR
e6kiuO1[O:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6px3C2[C:-71-4] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-60S ribosomal protein L40,Histone H2A ; ELECTRON MICROSCOPY
e6kowA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; SOLUTION NMR
e6koxA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; SOLUTION NMR
e6s53F1[F:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.8Å
e6s53D1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.8Å
e6s53L1[L:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.8Å
e6s53J1[J:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.8Å
e6kivO1[O:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6kiwO1[O:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6oq2B1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6oq2D1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6oq2E1[E:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6oq1A1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6k4iA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ubiquitin ; SOLUTION NMR
e6pgvB1[B:1-75] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Polyubiquitin-B ; ligands: NEH ; X-RAY DIFFRACTION 2.3Å
e6oq1C1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6oq1D1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6oq1B1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6oq1E1[E:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6oq1F1[F:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6ryaB1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.21Å
e6ryaD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.21Å
e6ryaF1[F:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.21Å
e6uh5Q1[Q:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6v5dA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6jkyF1[F:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ub ; X-RAY DIFFRACTION 2.45Å
e6jwiI1[I:1-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiqutin ; X-RAY DIFFRACTION 2.55Å
e6jwiG1[G:1-71] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiqutin ; X-RAY DIFFRACTION 2.55Å
e6jkyC1[C:-1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ub ; X-RAY DIFFRACTION 2.45Å
e6venK1[K:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6nxlA1[A:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlE1[E:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlH1[H:0-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlB1[B:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlC1[C:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlD1[D:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlF1[F:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxlG1[G:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.8Å
e6nxkA1[A:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.20Å
e6nxkB1[B:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.20Å
e6t9lO1[O:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ELECTRON MICROSCOPY
e6tbmR1[R:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ELECTRON MICROSCOPY
e6ttuU1[U:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ELECTRON MICROSCOPY
e6tnfC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ELECTRON MICROSCOPY
e6qmlC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ligands: BR,EDO ; X-RAY DIFFRACTION 2.000Å
e6qmlF1[F:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ligands: BR,EDO ; X-RAY DIFFRACTION 2.000Å
e6uyiC1[C:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6uyjC1[C:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6uyiD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6uyjD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; SOLUTION NMR
e6vaeC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6vaeD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6vafD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6k2uB1[B:0-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ligands: AR6,MG,ZN ; X-RAY DIFFRACTION 2.550Å
e6upuN1[N:-1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6kg6C1[C:-1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 2.39Å
e6upuB1[B:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuF1[F:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuH1[H:0-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuJ1[J:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuP1[P:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuK1[K:0-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuG1[G:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuO1[O:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6upuL1[L:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.200Å
e6kfpD1[D:0-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 2.92Å
e6kl4C1[C:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ub ; X-RAY DIFFRACTION 2.85Å
e6q00A1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: K ; X-RAY DIFFRACTION 0.850Å
e6oamD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.50Å
e6oamC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.50Å
e6sqoC1[C:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 1.41Å
e6q01A1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: EDO,K,MG ; X-RAY DIFFRACTION 0.850Å
e6q01B1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 0.850Å
e6kbeG1[G:1-69] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Polyubiquitin-C ; X-RAY DIFFRACTION 1.98Å
e6kbeG2[G:70-150] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Polyubiquitin-C ; X-RAY DIFFRACTION 1.98Å
e6knaA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Viral ubiquitin ; SOLUTION NMR
e6ulhE1[E:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 1.968Å
e6umpE1[E:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.8Å
e6umsE1[E:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.34Å
e6p5bE1[E:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 2.099Å
e6w9rM1[M:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rN1[N:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rO1[O:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rP1[P:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rQ1[Q:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rR1[R:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rS1[S:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rT1[T:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rU1[U:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rV1[V:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rW1[W:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6w9rX1[X:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FLC ; X-RAY DIFFRACTION 1.82Å
e6xaaB1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-propargylamide ; X-RAY DIFFRACTION 2.70Å
e6k9pG1[G:1-76] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Ubiquitin ; X-RAY DIFFRACTION 1.62Å
e7bxgD1[D:1-74] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.7Å
e6w9dC1[C:1-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: IOD ; X-RAY DIFFRACTION 3.189Å
e6w9dF1[F:1-70] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: IOD ; X-RAY DIFFRACTION 3.189Å
e6w9dI1[I:1-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: IOD ; X-RAY DIFFRACTION 3.189Å
e6w9sB1[B:-1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: FMT ; X-RAY DIFFRACTION 2.100Å
e6wjdu1[u:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: ZN ; ELECTRON MICROSCOPY
e7capA1[A:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: ZN ; X-RAY DIFFRACTION 1.33Å
e6sqoF1[F:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 1.41Å
e6sqrC1[C:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; ligands: EDO ; X-RAY DIFFRACTION 2.18Å
e6sqrF1[F:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 2.18Å
e6sqrL1[L:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; ligands: EDO ; X-RAY DIFFRACTION 2.18Å
e6sqsC1[C:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 1.83Å
e6sqsF1[F:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S27a ; X-RAY DIFFRACTION 1.83Å
e6pzvA1[A:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 3.01Å
e6pzvB1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 3.01Å
e6pzvE1[E:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 3.01Å
e6pzvF1[F:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; X-RAY DIFFRACTION 3.01Å
e6yptB1[B:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH
Polyubiquitin-C ; ligands: GVE ; X-RAY DIFFRACTION 3.66Å
e6yptD1[D:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH
Polyubiquitin-C ; ligands: GVE ; X-RAY DIFFRACTION 3.66Å
e6sqrI1[I:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ligands: EDO,NO3 ; X-RAY DIFFRACTION 2.18Å
e7capB1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: ZN ; X-RAY DIFFRACTION 1.33Å
e7capC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ligands: ZN ; X-RAY DIFFRACTION 1.33Å
e6t7fC1[C:2-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; ligands: LWZ ; X-RAY DIFFRACTION 2.58Å
e7jmsB1[B:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: AYE,CA,GOL ; X-RAY DIFFRACTION 2.78Å
e7jmsD1[D:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: AYE,CA ; X-RAY DIFFRACTION 2.78Å
e7jmsF1[F:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: AYE,CA ; X-RAY DIFFRACTION 2.78Å
e7jmsH1[H:1-75] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: AYE ; X-RAY DIFFRACTION 2.78Å
e7ahzFFF1[FFF:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 1.82Å
e7ahzIII1[III:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 1.82Å
e7ahzLLL1[LLL:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 1.82Å
e7ai0CCC1[CCC:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: EDO ; X-RAY DIFFRACTION 1.559Å
e7ai0FFF1[FFF:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: EDO ; X-RAY DIFFRACTION 1.559Å
e7ai1CCC1[CCC:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; ligands: EDO ; X-RAY DIFFRACTION 2.07Å
e7ai1FFF1[FFF:0-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-B ; X-RAY DIFFRACTION 2.07Å
e7k6pL1[L:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6wkrT1[T:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6wkrF1[F:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin ; ELECTRON MICROSCOPY
e6zqhB1[B:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S31 ; ligands: BME ; X-RAY DIFFRACTION 2.026Å
e6zqhD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ubiquitin-40S ribosomal protein S31 ; ligands: BME ; X-RAY DIFFRACTION 2.026Å
e7bbdD1[D:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.2Å
e7bbfC1[C:1-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Polyubiquitin-C ; X-RAY DIFFRACTION 2.54Å
Previous Nexte2zeqA1[A:1-78]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
E3 ubiquitin-protein ligase parkin ; X-RAY DIFFRACTION 1.65Å
e2c9wB1[B:2-104]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
TRANSCRIPTION ELONGATION FACTOR B POLYPEPTIDE 2 ; ligands: NI ; X-RAY DIFFRACTION 1.900Å
e1yqbA1[A:15-98]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
UBIQUILIN 3 ; X-RAY DIFFRACTION 2.0Å
e2fazA1[A:1-76]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
UBIQUITIN-LIKE CONTAINING PHD AND RING FINGER DOMAINS PROTEIN 1 ; X-RAY DIFFRACTION 2.0Å
e1z2mA1[A:3-78]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
interferon, alpha-inducible protein (clone IFI-15K) ; ligands: OS4 ; X-RAY DIFFRACTION 2.5Å
e1z2mA2[A:79-154]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
interferon, alpha-inducible protein (clone IFI-15K) ; X-RAY DIFFRACTION 2.5Å
e5b83A1[A:1-74]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
tetra ubiquitin ; X-RAY DIFFRACTION 2.69Å
e4e3cB2[B:310-394]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
INHIBITOR OF NUCLEAR FACTOR KAPPA-B KINASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.98Å
e1m94A1[A:1-73]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Protein YNR032c-a ; SOLUTION NMR
e1ttnA1[A:21-100]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
dendritic cell-derived ubiquitin-like protein ; SOLUTION NMR
e1uelA1[A:1-95]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
UV excision repair protein RAD23 homolog B ; SOLUTION NMR
e1v5oA1[A:1-102]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
1700011N24Rik protein ; SOLUTION NMR
e1v86A1[A:1-95]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
DNA segment, Chr 7, Wayne State University 128, expressed ; SOLUTION NMR
e1we6A1[A:1-111]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
splicing factor, putative ; SOLUTION NMR
e1wgdA1[A:1-93]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
Homocysteine-responsive endoplasmic reticulum-resident ubiquitin-like domain member 1 protein ; SOLUTION NMR
e1wh3A1[A:1-87]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
59 kDa 2'-5'-oligoadenylate synthetase like protein ; SOLUTION NMR
e1wiaA1[A:156-250]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
hypothetical ubiquitin-like protein (RIKEN cDNA 2010008E23) ; SOLUTION NMR
e1wx9A1[A:8-80]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
HLA-B associated transcript-3 isoform b ; SOLUTION NMR
e1wxvA1[A:7-87]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH
BAG-family molecular chaperone regulator-1 ; SOLUTION NMR

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