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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

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

X: Rubredoxin-like

binds one zinc with two CxxC motifs on two beta-hairpins

H: Rubredoxin-related
T: Rubredoxin-related
F: zf-Sec23_Sec24

PF04810

Representatives:

e2qtvA4[A:45-119] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC23 ; ligands: ZN ; X-RAY DIFFRACTION 2.500Å

e5kynA2[A:51-126] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.55Å

e1pd0A4[A:216-300] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24 ; ligands: ZN ; X-RAY DIFFRACTION 2.6Å

e2yrcA1[A:50-108] Image Pymol Jmol Links: PDB, SCOP, CATH

Protein transport protein Sec23A ; ligands: ZN ; SOLUTION NMR

e2yrdA1[A:50-108] Image Pymol Jmol Links: PDB, SCOP, CATH

Protein transport protein Sec23A ; ligands: ZN ; SOLUTION NMR

e1m2vB12[B:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein transport protein SEC24 ; ligands: ZN ; X-RAY DIFFRACTION 2.75Å

e4bziM17[M:216-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SEC24P ; ligands: ZN ; ELECTRON MICROSCOPY

e4bziE17[E:216-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SEC24P ; ligands: ZN ; ELECTRON MICROSCOPY

e4bziL17[L:216-301] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SEC24P ; ligands: ZN ; ELECTRON MICROSCOPY

e3egdA15[A:50-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.7Å

e2nutA15[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.300Å

e3egxA15[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e1pcxA5[A:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24 ; ligands: ZN ; X-RAY DIFFRACTION 2.5Å

e1pd1A5[A:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24 ; ligands: ZN ; X-RAY DIFFRACTION 2.6Å

e2nutB2[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.300Å

e3egdB5[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.7Å

e3eh1A5[A:590-674] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24B ; ligands: ZN ; X-RAY DIFFRACTION 1.8Å

e3egxB5[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e2nupB4[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.600Å

e5kywB2[B:347-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24D ; ligands: ZN ; X-RAY DIFFRACTION 3.2Å

e5kyxB5[B:347-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24D ; ligands: ZN ; X-RAY DIFFRACTION 3.4Å

e5kyyB3[B:347-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24D ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å

e5kyuA3[A:50-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 3.5Å

e5kyuB2[B:347-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24D ; ligands: ZN ; X-RAY DIFFRACTION 3.5Å

e5vnjA1[A:50-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.8Å

e5vnlA3[A:50-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.394Å

e5vnmA5[A:50-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.765Å

e5vnnA2[A:50-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.5Å

e5vneA3[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.698Å

e5vnfA2[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.4Å

e5vngA5[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.6Å

e5vnhA2[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.6Å

e5vniA4[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.7876Å

e5vnkA5[A:50-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec23A ; ligands: ZN ; X-RAY DIFFRACTION 2.55Å

e5vneB1[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.698Å

e5vnfB1[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.4Å

e5vngB1[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.6Å

e5vnhB4[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.6Å

e5vniB2[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.7876Å

e5vnjB4[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.8Å

e5vnkB2[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.55Å

e5vnlB1[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: CLT,ZN ; X-RAY DIFFRACTION 2.394Å

e5vnmB1[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: CLT,ZN ; X-RAY DIFFRACTION 2.765Å

e5vnnB4[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: CLT,ZN ; X-RAY DIFFRACTION 2.5Å

e5vnoB1[B:416-500] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24A ; ligands: ZN ; X-RAY DIFFRACTION 2.9Å

e6gniE1[E:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC24 ; ligands: ZN ; ELECTRON MICROSCOPY

e6gniA2[A:45-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC23 ; ligands: ZN ; ELECTRON MICROSCOPY

e6zgaB4[B:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC24 ; ligands: ZN ; ELECTRON MICROSCOPY

e6zgaF4[F:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC24 ; ligands: ZN ; ELECTRON MICROSCOPY

e6zgaA1[A:45-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC23 ; ligands: ZN ; ELECTRON MICROSCOPY

e6zgaE5[E:45-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein SEC23 ; ligands: ZN ; ELECTRON MICROSCOPY

e8bshC4[C:216-300] Image Pymol Jmol Links: PDB, SCOP, CATH

SEC24 isoform 1 ; ELECTRON MICROSCOPY

e8bshA1[A:45-119] Image Pymol Jmol Links: PDB, SCOP, CATH

Protein transport protein SEC23 ; ELECTRON MICROSCOPY

e3eh2A3[A:2-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24C ; ligands: ZN ; X-RAY DIFFRACTION 2.3Å

e3eg9B3[B:1-436] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SEC24 RELATED GENE FAMILY, MEMBER D ; ligands: ZN ; X-RAY DIFFRACTION 3.0Å

e3eh2C23[C:4-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24C ; ligands: ZN ; X-RAY DIFFRACTION 2.3Å

e3eh2B15[B:15-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein transport protein Sec24C ; ligands: ZN ; X-RAY DIFFRACTION 2.3Å

e3efoB1[B:1-436] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SEC24 RELATED GENE FAMILY, MEMBER D ; ligands: ZN ; X-RAY DIFFRACTION 2.7Å

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.

T: Hypothetical protein Ta0289-C

insertion in the CxxC motif

X: RING/U-box-like

binds two zincs. one in the same way as rubredoxin, probably related to rubredoxin. the other in a similar way as glucocorticoid receptor

X: Glucocorticoid receptor-like

binds zinc with one beta-hairpin and one helix, the helix binds DNA

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes