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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

X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein
H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein
T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein
F: Fusion_gly

PF00523 CL0595

Representatives:

e2b9bB1[B:20-362,B:432-477] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.85Å

e4mmr.1[A:26-103,B:137-400,B:463-513] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F1 fused with Fibritin trimerization domain & Fusion glycoprotein F2 ; X-RAY DIFFRACTION 3.1Å

e1g5gA1[A:33-105,A:171-381,A:438-454] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å

e8t7aB1[B:27-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8t7aC1[C:27-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8dngD1[D:27-374,D:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; ELECTRON MICROSCOPY

e8dngG1[G:27-374,G:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; ELECTRON MICROSCOPY

e8do4A1[A:27-374,A:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ELECTRON MICROSCOPY

e8do4B1[B:27-374,B:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ELECTRON MICROSCOPY

e8do4C2[C:27-374,C:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ELECTRON MICROSCOPY

e8do4D2[D:27-374,D:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ELECTRON MICROSCOPY

e8do4E1[E:27-374,E:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ELECTRON MICROSCOPY

e8do4G2[G:27-374,G:435-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ELECTRON MICROSCOPY

e8fmxB2[B:22-369,B:430-466] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: NAG ; ELECTRON MICROSCOPY

e8fmxC2[C:22-369,C:430-466] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: NAG ; ELECTRON MICROSCOPY

e8fmyB2[B:26-373,B:434-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8fmyC2[C:26-373,C:434-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8dnrB2[B:26-374,B:435-471] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; ELECTRON MICROSCOPY

e8dnrE2[E:26-374,E:435-471] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; ELECTRON MICROSCOPY

e7tn1F1[F:27-105,F:138-512] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: NAG ; X-RAY DIFFRACTION 3.1Å

e7tn1B1[B:27-105,B:139-512] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: NAG ; X-RAY DIFFRACTION 3.1Å

e8t9zA1[A:19-94,A:116-382] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.99Å

e8wsqF1[F:64-513] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.90Å

e8dzwB1[B:26-99,B:137-509] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8dzwC1[C:26-99,C:137-509] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8eayA1[A:19-432] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ebpA1[A:19-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ebpB1[B:19-453] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8f6xB1[B:19-465] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: NAG ; ELECTRON MICROSCOPY

e8f6xC1[C:19-465] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: NAG ; ELECTRON MICROSCOPY

e4mmqA1[A:27-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: SO4 ; X-RAY DIFFRACTION 3.25Å

e4mmsA1[A:27-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.397Å

e4mmsC1[C:27-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; X-RAY DIFFRACTION 2.397Å

e4mmsE1[E:27-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.397Å

e4mmtA1[A:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; X-RAY DIFFRACTION 3.05Å

e4mmuA1[A:26-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: PO4 ; X-RAY DIFFRACTION 3.000Å

e4mmvA1[A:26-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; X-RAY DIFFRACTION 2.8Å

e3rrrA1[A:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.82Å

e3rrrC1[C:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.82Å

e3rrrE1[E:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.82Å

e3rrrG1[G:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.82Å

e3rrrI1[I:27-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.82Å

e3rrrM1[M:27-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.82Å

e3rrtA1[A:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 3.200Å

e3rrtC1[C:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 3.200Å

e3rrtE1[E:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 3.200Å

e5j3dG1[G:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 4.077Å

e5j3dJ1[J:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 4.077Å

e6oe5A2[A:44-100,A:146-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0,Fibritin ; X-RAY DIFFRACTION 4.100Å

e6cxcA1[A:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0, Envelope glycoprotein chimera ; ligands: NAG ; ELECTRON MICROSCOPY

e6cxcC1[C:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0, Envelope glycoprotein chimera ; ligands: NAG ; ELECTRON MICROSCOPY

e6cxcE1[E:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0, Envelope glycoprotein chimera ; ligands: NAG ; ELECTRON MICROSCOPY

e6ousA1[A:26-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å

e6ousC1[C:26-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å

e6ousE1[E:26-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å

e6ousG1[G:26-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å

e6ousI1[I:26-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å

e6ousK1[K:26-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 3.400Å

e6w52A1[A:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 3.74Å

e7mmnA1[A:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; X-RAY DIFFRACTION 3.57Å

e7mmnC1[C:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; X-RAY DIFFRACTION 3.57Å

e7mmnJ1[J:26-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; X-RAY DIFFRACTION 3.57Å

e7uj3A1[A:26-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RSV variant (construct pXCS847A) F2 ; X-RAY DIFFRACTION 3.5Å

e7ujaP1[P:25-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RSV variant (construct pXCS847A) F2 ; ELECTRON MICROSCOPY

e7ujaQ1[Q:25-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RSV variant (construct pXCS847A) F2 ; ELECTRON MICROSCOPY

e7ujaR1[R:25-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RSV variant (construct pXCS847A) F2 ; ELECTRON MICROSCOPY

e8t7aA1[A:27-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e1g5gC1[C:33-105,C:171-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å

e1g5gD1[D:33-105,D:171-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å

e1g5gE1[E:33-105,E:171-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å

e1g5gF1[F:33-105,F:171-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å

e1g5gB2[B:33-105,B:171-381,B:438-454] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.30Å

e3mawA1[A:34-102,A:145-381,A:442-493] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NDG ; X-RAY DIFFRACTION 3.5Å

e3mawB2[B:34-102,B:145-381,B:442-493] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NDG ; X-RAY DIFFRACTION 3.5Å

e2b9bA4[A:206-504] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.85Å

e2b9bC6[C:206-502] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 2.85Å

e4wsgA1[A:206-500] Image Pymol Jmol Links: PDB, SCOP, CATH

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.000Å

e4wsgB2[B:206-500] Image Pymol Jmol Links: PDB, SCOP, CATH

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.000Å

e4wsgC1[C:206-500] Image Pymol Jmol Links: PDB, SCOP, CATH

Fusion glycoprotein F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.000Å

e3rkiA1[A:26-98,A:146-517] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FUSION GLYCOPROTEIN F0 ; ligands: NAG ; X-RAY DIFFRACTION 3.2Å

e4zypB1[B:26-513] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0,Fibritin ; X-RAY DIFFRACTION 5.500Å

e5l1xA1[A:19-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hMPV F2 subunit ; ligands: SO4 ; X-RAY DIFFRACTION 3.300Å

e5l1xC1[C:19-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hMPV F2 subunit ; ligands: FUC,NAG,SO4 ; X-RAY DIFFRACTION 3.300Å

e5l1xE1[E:19-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hMPV F2 subunit ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 3.300Å

e5l1xG1[G:19-92] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hMPV F2 subunit ; ligands: SO4 ; X-RAY DIFFRACTION 3.300Å

e5l1xI1[I:19-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hMPV F2 subunit ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 3.300Å

e5l1xK1[K:19-92] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hMPV F2 subunit ; X-RAY DIFFRACTION 3.300Å

e7m0iG1[G:19-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 2.81Å

e7m0iI1[I:19-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 2.81Å

e7m0iK1[K:19-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 2.81Å

e7m0iA1[A:19-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 2.81Å

e7m0iC1[C:19-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 2.81Å

e7m0iE1[E:19-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 ; ligands: NAG ; X-RAY DIFFRACTION 2.81Å

e7sejB1[B:19-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 subunit ; X-RAY DIFFRACTION 2.5Å

e7sejC1[C:19-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F2 subunit ; X-RAY DIFFRACTION 2.5Å

e8e15F1[F:19-92] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

F2 protein ; ligands: NAG ; X-RAY DIFFRACTION 2.41Å

e5evmA1[A:27-374,A:435-525] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; ligands: MLI,NAG ; X-RAY DIFFRACTION 3.35Å

e5j3d.1[E:26-98,F:147-400,F:463-514] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fusion glycoprotein F0 ; X-RAY DIFFRACTION 4.077Å

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