Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
Representatives:
e1qv0A2[A:7-107] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Obelin ; ligands: CZH,GOL ; X-RAY DIFFRACTION 1.1Å
e2zfdA2[A:32-118] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calcineurin B-like protein 2 ; ligands: CA ; X-RAY DIFFRACTION 1.2Å
e3kevA1[A:4-91] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Galieria sulfuraria DCUN1 domain-containing protein ; ligands: ACT,SO4 ; X-RAY DIFFRACTION 1.300Å
e4wriA2[A:4-97] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Okadaic acid binding protein 2-alpha ; ligands: OKA ; X-RAY DIFFRACTION 1.400Å
e1omrA1[A:2-96] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RECOVERIN ; X-RAY DIFFRACTION 1.5Å
e1m45A1[A:4-81] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Myosin light chain ; X-RAY DIFFRACTION 1.640Å
e1k94A1[A:123-217] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
GRANCALCIN ; ligands: CA ; X-RAY DIFFRACTION 1.7Å
e2hpsA4[A:3-100] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COELENTERAZINE-BINDING PROTEIN WITH BOUND COELENTERAZINE ; ligands: CTZ,GOL ; X-RAY DIFFRACTION 1.72Å
e4x3nA1[A:24-177] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calcium-regulated actin-bundling protein ; ligands: CA,CIT ; X-RAY DIFFRACTION 1.89Å
e1alvA1[A:171-266] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CALPAIN ; ligands: CA ; X-RAY DIFFRACTION 1.9Å
e1alvA2[A:94-170] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CALPAIN ; ligands: CA ; X-RAY DIFFRACTION 1.9Å
e1xo5A2[A:12-102] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calcium and integrin-binding protein 1 ; ligands: CA ; X-RAY DIFFRACTION 1.99Å
e1s6cA2[A:39-121] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
KV4 POTASSIUM CHANNEL-INTERACTING PROTEIN KCHIP1B ; X-RAY DIFFRACTION 2.0Å
e1w7jB1[B:11-83] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MYOSIN LIGHT CHAIN 1 ; X-RAY DIFFRACTION 2.0Å
e1wdcB2[B:84-153] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SCALLOP MYOSIN ; X-RAY DIFFRACTION 2.02Å
e3siaA2[A:118-220] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
URE3-BP sequence specific DNA binding protein ; ligands: CL,IOD ; X-RAY DIFFRACTION 2.050Å
e8fjgA1[A:1-104] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; X-RAY DIFFRACTION 2.13Å
e4dckA1[A:1776-1897] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sodium channel protein type 5 subunit alpha ; X-RAY DIFFRACTION 2.2Å
e1hqvA1[A:8-93] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROGRAMMED CELL DEATH PROTEIN 6 ; ligands: CA ; X-RAY DIFFRACTION 2.3Å
e4p5wA3[A:160-229] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calcium-binding mitochondrial carrier protein Aralar2,Calcium-binding mitochondrial carrier protein Aralar2 ; X-RAY DIFFRACTION 2.40Å
e4p5wA4[A:230-295] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calcium-binding mitochondrial carrier protein Aralar2,Calcium-binding mitochondrial carrier protein Aralar2 ; X-RAY DIFFRACTION 2.40Å
e5cuvA1[A:33-153] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
Acidocalcisomal pyrophosphatase ; X-RAY DIFFRACTION 2.620Å
e2mysB2[B:92-163] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
MYOSIN ; X-RAY DIFFRACTION 2.8Å
e1j7qA1[A:1-86] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calcium Vector Protein ; SOLUTION NMR
e1jbaA1[A:2-92] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (GUANYLATE CYCLASE ACTIVATING PROTEIN 2) ; ligands: CA ; SOLUTION NMR
e1nyaA1[A:1-91] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Calerythrin ; ligands: CA ; SOLUTION NMR
e1snlA1[A:1-99] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nucleobindin 1 ; SOLUTION NMR
e2l4iA1[A:8-102] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CALCIUM AND INTEGRIN-BINDING PROTEIN 1 ; SOLUTION NMR
e2sasA2[A:94-185] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SARCOPLASMIC CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION
e2scpA1[A:1-86] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SARCOPLASMIC CALCIUM-BINDING PROTEIN ; ligands: CA ; X-RAY DIFFRACTION
e5kgqA1[A:1-112] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
Uncharacterized protein ; SOLUTION NMR
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
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