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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

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

X: Oligosaccharyltransferase subunit ost4p
H: Oligosaccharyltransferase subunit ost4p
T: Oligosaccharyltransferase subunit ost4p
F: Ost4

PF10215

Representatives:

e1rklA1[A:1-36] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 4 kDa subunit ; SOLUTION NMR

e2latA1[A:1-37] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DOLICHYL-DIPHOSPHOOLIGOSACCHARIDE--PROTEIN GLYCOSYLTRANSFERASE SUBUNIT 4 ; SOLUTION NMR

e6eznD1[D:1-34] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 ; ligands: CPL ; ELECTRON MICROSCOPY

e6c2641[4:2-35] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 ; ligands: EGY ; ELECTRON MICROSCOPY

e6ftg41[4:1-34] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OST4 ; ELECTRON MICROSCOPY

e6fti41[4:1-34] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 ; ELECTRON MICROSCOPY

e6ftj41[4:1-34] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OST4 ; ELECTRON MICROSCOPY

e6s7oB1[B:1-33] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 ; ligands: EGY ; ELECTRON MICROSCOPY

e6s7tB1[B:1-33] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 ; ligands: EGY ; ELECTRON MICROSCOPY

e6xcrA1[A:1-39] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Oligosaccharyltransferase ; SOLUTION NMR

e6xcuA1[A:1-39] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Oligosaccharyltransferase ; SOLUTION NMR

e7ociD1[D:1-35] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 ; ligands: AJP,PEE ; ELECTRON MICROSCOPY

e8agbB1[B:1-34] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OST4 isoform 1 ; ligands: CPL ; ELECTRON MICROSCOPY

e8agcB1[B:1-33] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OST4 isoform 1 ; ligands: CPL ; ELECTRON MICROSCOPY

e8ageB1[B:1-33] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

OST4 isoform 1 ; ligands: CPL,KZB ; ELECTRON MICROSCOPY

e8b6lK1[K:1-37] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 ; ELECTRON MICROSCOPY