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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: SH2
H: SH2
T: SH2
F: Cbl_N3

PF02762 CL0541

Representatives:

e3buxB3[B:264-351] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.350Å

e8qngA1[A:256-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: W89 ; X-RAY DIFFRACTION 2.197Å

e8qnhA3[A:256-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: Z3N ; X-RAY DIFFRACTION 2.001Å

e8qniA3[A:256-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: W7R ; X-RAY DIFFRACTION 2.483Å

e1b47C3[C:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CBL ; X-RAY DIFFRACTION 2.2Å

e1b47A3[A:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CBL ; X-RAY DIFFRACTION 2.2Å

e1yvhA3[A:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CBL E3 UBIQUITIN PROTEIN LIGASE ; X-RAY DIFFRACTION 2.05Å

e1fbvA3[A:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SIGNAL TRANSDUCTION PROTEIN CBL ; X-RAY DIFFRACTION

e1b47B3[B:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CBL ; X-RAY DIFFRACTION 2.2Å

e3buwB3[B:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.450Å

e3bumB3[B:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.980Å

e3buwD3[D:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.450Å

e3buoD3[D:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.600Å

e3buoB3[B:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.600Å

e3buxD3[D:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.350Å

e2cblA3[A:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTO-ONCOGENE CBL ; X-RAY DIFFRACTION 2.1Å

e3bunB3[B:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.000Å

e3ob1B3[B:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.020Å

e3op0A1[A:234-330] Image Pymol Jmol Links: PDB, SCOP, CATH

Signal transduction protein CBL-C ; X-RAY DIFFRACTION 2.520Å

e3pfvA3[A:256-345] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; ligands: CL,EDO,SO4 ; X-RAY DIFFRACTION 2.27Å

e3vgoA3[A:256-339] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; X-RAY DIFFRACTION 3.1Å

e3vrpA3[A:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SIGNAL TRANSDUCTION PROTEIN CBL-C ; X-RAY DIFFRACTION 1.52Å

e3ob2B3[B:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.020Å

e3op0B3[B:234-330] Image Pymol Jmol Links: PDB, SCOP, CATH

Signal transduction protein CBL-C ; X-RAY DIFFRACTION 2.520Å

e3plfB3[B:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; ligands: CL ; X-RAY DIFFRACTION 1.920Å

e3plfD3[D:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.920Å

e3pfvB3[B:256-349] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.27Å

e3vgoC3[C:246-338,C:358-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; X-RAY DIFFRACTION 3.1Å

e4a4cA3[A:261-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL ; X-RAY DIFFRACTION 2.70Å

e3zniM3[M:256-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; ligands: EDO ; X-RAY DIFFRACTION 2.21Å

e4gplB3[B:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL ; X-RAY DIFFRACTION 3.0Å

e3vroA3[A:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Signal transduction protein CBL-C ; X-RAY DIFFRACTION 1.80Å

e3vrnA3[A:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SIGNAL TRANSDUCTION PROTEIN CBL-C ; X-RAY DIFFRACTION 1.64Å

e3vrrA3[A:234-317] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SIGNAL TRANSDUCTION PROTEIN CBL-C ; X-RAY DIFFRACTION 2.0Å

e2y1mB6[B:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.67Å

e2y1mD6[D:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.67Å

e2y1mC6[C:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.67Å

e2y1mE6[E:264-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.67Å

e2y1mF6[F:264-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.67Å

e2y1nA6[A:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.0Å

e2y1nC6[C:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.0Å

e2y1mA6[A:264-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE ; X-RAY DIFFRACTION 2.67Å

e4a4bA6[A:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL ; X-RAY DIFFRACTION 2.79Å

e3zniI6[I:256-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; ligands: EDO ; X-RAY DIFFRACTION 2.21Å

e3zniA6[A:256-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; ligands: EDO ; X-RAY DIFFRACTION 2.21Å

e3zniE6[E:256-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; ligands: EDO ; X-RAY DIFFRACTION 2.21Å

e3vrqA3[A:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Signal transduction protein CBL-C ; X-RAY DIFFRACTION 2.39Å

e3vrqB3[B:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Signal transduction protein CBL-C ; X-RAY DIFFRACTION 2.39Å

e3vgoB3[B:256-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 UBIQUITIN-PROTEIN LIGASE CBL-B ; X-RAY DIFFRACTION 3.1Å

e5axiA2[A:256-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL-B ; X-RAY DIFFRACTION 2.5Å

e5axiB2[B:256-341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL-B ; X-RAY DIFFRACTION 2.5Å

e5axiC3[C:256-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL-B ; X-RAY DIFFRACTION 2.5Å

e5j3xF4[F:261-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.82Å

e5j3xA3[A:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.82Å

e5j3xB4[B:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.82Å

e5j3xC4[C:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.82Å

e5j3xD4[D:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.82Å

e5j3xE3[E:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.82Å

e5hkwA3[A:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.250Å

e5hkwB1[B:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.250Å

e5hkwC3[C:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.250Å

e5hkxA2[A:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; ligands: EDO ; X-RAY DIFFRACTION 1.850Å

e5hkyA1[A:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.800Å

e5hkzA2[A:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.800Å

e5hl0A1[A:264-350] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.200Å

e5o76A4[A:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.473Å

e5o76C2[C:264-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.473Å

e6bk5A2[A:245-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ubiquitin Ligase Cbl ; X-RAY DIFFRACTION 2.40Å

e6o02A2[A:264-353] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.953Å

e6o03A1[A:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 3.3Å

e6o03B1[B:264-349] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 3.3Å

e6xarA2[A:264-352] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.500Å

e6xarB1[B:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 2.500Å

e7siyA2[A:264-351] Image Pymol Jmol Links: PDB, SCOP, CATH

E3 ubiquitin-protein ligase CBL ; X-RAY DIFFRACTION 1.476Å

e8gcyA4[A:256-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

E3 ubiquitin-protein ligase CBL-B ; ligands: SO4,UNX,Z3N ; X-RAY DIFFRACTION 1.81Å

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