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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: N-terminal region in 40S ribosomal protein rpS2 (S5p)
H: N-terminal region in 40S ribosomal protein rpS2 (S5p)
T: N-terminal region in 40S ribosomal protein rpS2 (S5p)
F: S5p_N

PF21251

Representatives:

e3j6vE1[E:89-215] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e8oisAd1[Ad:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e3j9mAD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS5m ; ligands: MG ; ELECTRON MICROSCOPY

e5aj3E3[E:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN US5M, MRPS5 ; ELECTRON MICROSCOPY

e5aj4AE1[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN US5M, MRPS5 ; ligands: MG ; ELECTRON MICROSCOPY

e3jd5E3[E:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e6gazAE2[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S5 ; ELECTRON MICROSCOPY

e6gawAE1[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S5 ; ELECTRON MICROSCOPY

e6neqE3[E:107-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e6nf8E2[E:107-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e6nu2AD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6nu3AD2[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6ydpAE3[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S5 ; ELECTRON MICROSCOPY

e6ydwAE3[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S5 ; ELECTRON MICROSCOPY

e6rw4D2[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6rw5D2[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6vlzAD2[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e6vmiAD2[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e6zs9AD3[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6zsaAD2[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,Y5P ; ELECTRON MICROSCOPY

e6zsbAD2[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6zscAD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6zsdAD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,Y5P ; ELECTRON MICROSCOPY

e6zseAD3[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,Y5P ; ELECTRON MICROSCOPY

e6zsgAD2[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,Y5P ; ELECTRON MICROSCOPY

e7a5fD61[D6:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7a5gD63[D6:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e7a5iD63[D6:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7a5kD63[D6:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e6zm5AD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: ALA,MG ; ELECTRON MICROSCOPY

e6zm6AD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7nqhAE1[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S5 ; ELECTRON MICROSCOPY

e7nqlAE3[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S5 ; ligands: MG ; ELECTRON MICROSCOPY

e6zsfAD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: MG

e7nsiAE1[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial isoform X2 ; ligands: MG ; ELECTRON MICROSCOPY

e7l08AD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e7og4AD3[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7nsjAE2[AE:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial isoform X2 ; ELECTRON MICROSCOPY

e7pntD3[D:90-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7pnuD3[D:90-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7pnvD1[D:90-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7pnwD3[D:90-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7p2eD3[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7pnxD2[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7pnyD2[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7pnzD1[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7po0D2[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7po1D3[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7po2D2[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7po3D3[D:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG ; ELECTRON MICROSCOPY

e7qi4AD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,VAL ; ELECTRON MICROSCOPY

e7qi6AD1[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,VAL ; ELECTRON MICROSCOPY

e8oipAd3[Ad:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial isoform X2 ; ligands: MG ; ELECTRON MICROSCOPY

e8oirAd1[Ad:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ELECTRON MICROSCOPY

e7qi5AD3[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial ; ligands: MG,VAL ; ELECTRON MICROSCOPY

e8anyAD3[AD:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH

28S ribosomal protein S5, mitochondrial ; ligands: MG,VAL ; ELECTRON MICROSCOPY

e8oinAd2[Ad:88-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S5, mitochondrial isoform X2 ; ligands: MG,PHE ; 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.