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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

X: Ribosomal protein L13/L15p/L18e/L32e
H: Ribosomal protein L13 and L16-A
T: Ribosomal protein L13 and L16-A
F: Ribosomal_L13

PF00572

Representatives:

e1j3aA1[A:1-142] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

50S RIBOSOMAL PROTEIN L13P ; X-RAY DIFFRACTION 1.6Å

e3j3bO1[O:2-203] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j65J1[J:3-199] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j9zLF1[LF:1-142] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L13 ; ELECTRON MICROSCOPY

e3u5eO1[O:3-199] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4v19N1[N:2-178] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN UL13M, MRPL13 ; ELECTRON MICROSCOPY

e8oirBR1[BR:2-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L13, mitochondrial ; ligands: MET,MG,VAL ; ELECTRON MICROSCOPY

e7qi5K1[K:2-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L13, mitochondrial ; ELECTRON MICROSCOPY

e8anyK1[K:2-178] Image Pymol Jmol Links: PDB, SCOP, CATH

39S ribosomal protein L13, mitochondrial ; ELECTRON MICROSCOPY

e8eubAO1[AO:3-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: MG ; ELECTRON MICROSCOPY

e8q5iw1[w:2-200] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

; ELECTRON MICROSCOPY

e8ccsA1[A:3-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

60S ribosomal protein L16-A ; ELECTRON MICROSCOPY

e8bpoN21[N2:5-203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p2kBO1[BO:5-203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

60S ribosomal protein L13a ; ligands: SPD,UNX ; ELECTRON MICROSCOPY

e8bhfB11[B1:5-203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8a98H1[H:2-222] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative 60S ribosomal protein L13a ; ELECTRON MICROSCOPY

e8fc11N1[1N:1-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.500Å

e8t8b1N1[1N:1-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.650Å

e8fc41N1[1N:1-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.450Å

e8ev61N1[1N:1-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: MG ; X-RAY DIFFRACTION 2.946Å

e8oinBR1[BR:2-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L13, mitochondrial ; ELECTRON MICROSCOPY

e8cgki1[i:2-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: MG ; ELECTRON MICROSCOPY

Previous

e4v7eCO1[CO:1-206] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

60S ribosomal protein L13 ; ELECTRON MICROSCOPY

e5mmiK1[K:48-250] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L13, chloroplastic ; ligands: MG ; ELECTRON MICROSCOPY

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