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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

X: Repetitive alpha hairpins
H: ARM repeat
T: ARM repeat
F: MA3

PF02847 CL0020

Representatives:

e2nszA1[A:322-450] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.15Å

e1ug3A1[A:1235-1427] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

eukaryotic protein synthesis initiation factor 4G ; X-RAY DIFFRACTION 2.24Å

e5lj3H2[H:289-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CWC22 ; ELECTRON MICROSCOPY

e1ug3B1[B:1235-1427] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

eukaryotic protein synthesis initiation factor 4G ; X-RAY DIFFRACTION 2.24Å

e2ionA1[A:322-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed Cell Death 4, Pdcd4 ; ligands: GOL ; X-RAY DIFFRACTION 1.57Å

e2iolA1[A:322-448] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH 4, PDCD4 ; X-RAY DIFFRACTION 2.0Å

e2iolB1[B:322-448] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH 4, PDCD4 ; X-RAY DIFFRACTION 2.0Å

e2iosA1[A:323-448] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH 4, PDCD4 ; X-RAY DIFFRACTION 1.76Å

e2hm8A1[A:314-449] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pdcd4 C-terminal MA-3 domain ; SOLUTION NMR

e2ggfA1[A:320-456] Image Pymol Jmol Links: PDB, SCOP, CATH

Programmed cell death 4, isoform 1 ; SOLUTION NMR

e2kztB1[B:319-449] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; SOLUTION NMR

e2rg8A2[A:156-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 4 ; ligands: CL,NA ; X-RAY DIFFRACTION 1.8Å

e3l6aA6[A:1-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 4 gamma 2 ; ligands: MES,PG4,SO4 ; X-RAY DIFFRACTION 2.000Å

e3eijB4[B:155-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 4 ; X-RAY DIFFRACTION 2.800Å

e3eijB3[B:322-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 4 ; X-RAY DIFFRACTION 2.800Å

e3eiqC4[C:161-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; X-RAY DIFFRACTION 3.5Å

e2zu6B4[B:163-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; X-RAY DIFFRACTION 2.8Å

e2zu6E4[E:163-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; X-RAY DIFFRACTION 2.8Å

e2rg8B2[B:157-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 4 ; ligands: CL,NA ; X-RAY DIFFRACTION 1.8Å

e3eijA3[A:322-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 4 ; X-RAY DIFFRACTION 2.800Å

e3eiqC3[C:320-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; X-RAY DIFFRACTION 3.5Å

e2zu6B3[B:320-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; X-RAY DIFFRACTION 2.8Å

e2zu6E3[E:320-450] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; X-RAY DIFFRACTION 2.8Å

e2kztA2[A:156-318] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROGRAMMED CELL DEATH PROTEIN 4 ; SOLUTION NMR

e3eijA1[A:155-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 4 ; X-RAY DIFFRACTION 2.800Å

e5wsgZ2[Z:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5gm6Z2[Z:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5mpsH1[H:250-262,H:289-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5mq0H2[H:250-262,H:289-481] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5mqfT1[T:452-647] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e5lqwH2[H:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5xjcV1[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e6exnH2[H:250-262,H:290-486] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e6bk8L2[L:250-262,L:289-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5ylzS1[S:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e5yzgV1[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e5z56V2[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e5z57V1[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e5z58V2[V:449-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e6qdvH1[H:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e6ff7T2[T:442-645] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e6iczV1[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e6j6gZ2[Z:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e6j6hZ2[Z:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e6j6nZ2[Z:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e6j6qZ2[Z:279-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 ; ELECTRON MICROSCOPY

e6zymT1[T:449-651] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e7b9vH1[H:288-486] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CWC22 isoform 1 ; ELECTRON MICROSCOPY

e7dvqV1[V:440-649] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e7dcoV1[V:276-485] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CWC22 isoform 1 ; ELECTRON MICROSCOPY

e7w59V1[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e7w5aV2[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e7w5bV2[V:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e8ch6W1[W:450-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e7qttW2[W:450-650] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pre-mRNA-splicing factor CWC22 homolog ; ELECTRON MICROSCOPY

e8c6jH2[H:448-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

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.

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