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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

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: ClpS-like

contains a HTH motif

X: dsRBD-like
H: dsRNA-binding domain-like
T: dsRNA-binding domain-like
F: DSRM_MRPL44

PF22892

Representatives:

e4ce4h2[h:234-306] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MRPL44 ; ELECTRON MICROSCOPY

e4v1ah2[h:235-319] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN ML44, MRPL44 ; ELECTRON MICROSCOPY

e8oitBt1[Bt:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8oiqBt1[Bt:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e3j7yc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e3j9mc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e5aj4Bh1[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN ML44, MRPL44 ; ELECTRON MICROSCOPY

e5oolc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e5oomc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6gb2Bh1[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein L44 ; ELECTRON MICROSCOPY

e6gawBh2[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6nu2c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6nu3c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6ydpBh2[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e6ydwBh2[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Uncharacterized protein ; ELECTRON MICROSCOPY

e6i9rc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6vlzc2[c:234-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6vmic1[c:234-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zs9c1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zsac1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zsbc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zscc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zsdc1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zsec2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zsgc1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7a5fc32[c3:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7a5gc31[c3:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7a5hc1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7a5ic32[c3:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7a5jc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7a5kc31[c3:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zm5c2[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e6zm6c1[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7nqhBh1[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e7nqlBh2[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e7nshBh1[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e6zsfc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH

e7nsiBh2[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7l08c1[c:234-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of3c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of2c1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of0c1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7odrc2[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7o9kc1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7nsjBh1[Bh:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; ELECTRON MICROSCOPY

e7l20c1[c:234-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7o9mc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7odsc2[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7odtc2[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of4c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of5c1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of6c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7of7c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7og4c1[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oi7c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oi8c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oi9c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oiac2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oibc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oicc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oidc2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oiec2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7oi6c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7pd3c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7qh6c2[c:234-316] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7qh7c2[c:234-317] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7po4c1[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7qi4c1[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7qi6c1[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e8oirBt2[Bt:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e7qi5c2[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e8anyc2[c:234-320] Image Pymol Jmol Links: PDB, SCOP, CATH

39S ribosomal protein L44, mitochondrial ; ELECTRON MICROSCOPY

e8oinBt1[Bt:235-319] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

mL44 ; 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.

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