Home Help

X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


Keyword search


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: Ribosome binding protein Y (YfiA homologue)
T: Ribosome binding protein Y (YfiA homologue)
F: Ribosomal_S30AE

PF02482 CL0219

Representatives:

e2ywqA1[A:1-95] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

RIBOSOMAL SUBUNIT INTERFACE PROTEIN ; X-RAY DIFFRACTION 2.64Å

e1l4sA1[A:1-112] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein yfiA ; SOLUTION NMR

e8fc12y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc22y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc32y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.600Å

e8fc42y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc52y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc62y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.350Å

e8fmwW1[W:1-97] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8t8b2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8t8c2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.600Å

e8fc21y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc31y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.600Å

e8fc51y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc61y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.350Å

e8t8c1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ARG,MG ; X-RAY DIFFRACTION 2.600Å

e1n3gA1[A:2-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein yfiA ; SOLUTION NMR

e1imuA1[A:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HYPOTHETICAL PROTEIN HI0257 ; SOLUTION NMR

e2ywqC1[C:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH

RIBOSOMAL SUBUNIT INTERFACE PROTEIN ; X-RAY DIFFRACTION 2.64Å

e2ywqB1[B:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH

RIBOSOMAL SUBUNIT INTERFACE PROTEIN ; X-RAY DIFFRACTION 2.64Å

e2ywqD1[D:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH

RIBOSOMAL SUBUNIT INTERFACE PROTEIN ; X-RAY DIFFRACTION 2.64Å

e2rqlA1[A:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable sigma-54 modulation protein ; SOLUTION NMR

e3tqmA1[A:1-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated factor Y ; ligands: SO4 ; X-RAY DIFFRACTION 2.45Å

e3v2cY1[Y:2-104] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e3v26X1[X:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1voqa1[a:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vosa1[a:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vova1[a:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1voxa1[a:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1voza1[a:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3tqmB1[B:1-92] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated factor Y ; ligands: SO4 ; X-RAY DIFFRACTION 2.45Å

e3tqmC1[C:1-93] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated factor Y ; ligands: SO4 ; X-RAY DIFFRACTION 2.45Å

e3tqmD1[D:1-93] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated factor Y ; ligands: SO4 ; X-RAY DIFFRACTION 2.45Å

e3v2eY1[Y:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3v28X1[X:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4fylA1[A:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4heiA1[A:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOME HIBERNATION PROTEIN YHBH ; ligands: 3CO,SCN,UNL ; X-RAY DIFFRACTION 1.600Å

e4heiB2[B:1-91] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOME HIBERNATION PROTEIN YHBH ; ligands: 3CO,SCN,UNL ; X-RAY DIFFRACTION 1.600Å

e4fylB2[B:1-91] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4v4gAa1[Aa:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein Y ; X-RAY DIFFRACTION 11.5Å

e4v4gCa1[Ca:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein Y ; X-RAY DIFFRACTION 11.5Å

e4v4gEa1[Ea:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein Y ; X-RAY DIFFRACTION 11.5Å

e4v4gGa1[Ga:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein Y ; X-RAY DIFFRACTION 11.5Å

e4v4gIa1[Ia:1-90] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein Y ; X-RAY DIFFRACTION 11.5Å

e4v8iAY1[AY:2-96] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e4v8iCY1[CY:3-96] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; X-RAY DIFFRACTION 2.700Å

e4v8hAX1[AX:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable sigma(54) modulation protein ; X-RAY DIFFRACTION 3.100Å

e4v8hCX1[CX:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable sigma(54) modulation protein ; X-RAY DIFFRACTION 3.100Å

e4y4o1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.300Å

e4y4o2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.300Å

e5fdu2x1[2x:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; X-RAY DIFFRACTION 2.900Å

e5fdv2x1[2x:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; X-RAY DIFFRACTION 2.800Å

e5fdu1x1[1x:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: A,MG ; X-RAY DIFFRACTION 2.900Å

e5fdv1x1[1x:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: A,MG ; X-RAY DIFFRACTION 2.800Å

e5mmmy1[y:68-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-binding factor PSRP1, chloroplastic ; ELECTRON MICROSCOPY

e5mmjy1[y:68-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-binding factor PSRP1, chloroplastic ; ELECTRON MICROSCOPY

e5x8ry1[y:70-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein plastid pY ; ELECTRON MICROSCOPY

e5njtx1[x:1-104] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promotion factor ; ELECTRON MICROSCOPY

e5x8py1[y:70-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein plastid pY ; ELECTRON MICROSCOPY

e5nd8v1[v:4-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promotion factor ; ELECTRON MICROSCOPY

e5nd9v1[v:4-104] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promotion factor ; ELECTRON MICROSCOPY

e5ng8Av1[Av:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH

e5ng8Bv1[Bv:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH

e5ngmAv1[Av:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e5myjA2[A:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promotion factor ; ELECTRON MICROSCOPY

e6eriBV1[BV:73-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-binding factor PSRP1, chloroplastic ; ELECTRON MICROSCOPY

e6cfk1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.700Å

e6cfk2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; X-RAY DIFFRACTION 2.700Å

e6cfl2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein Y ; X-RAY DIFFRACTION 2.600Å

e6cfl1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein Y ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.600Å

e5v8i1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.250Å

e6fxcAv1[Av:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promotion factor ; ELECTRON MICROSCOPY

e6fxcBv1[Bv:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promotion factor ; ELECTRON MICROSCOPY

e5v8i2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.250Å

e6fkr1z1[1z:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e6fkr2z1[2z:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e6dzkY1[Y:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6dziY1[Y:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6h4nx1[x:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e5zepx1[x:31-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6h58x1[x:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6h58xx1[xx:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6gzzV41[V4:2-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6qbzA1[A:1-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; SOLUTION NMR

e6s0xv2[v:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6s13v1[v:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6gzqV21[V2:2-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6y69x1[x:1-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome hibernation promoting factor ; ELECTRON MICROSCOPY

e6xhx2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.550Å

e6xhx1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.550Å

e7md71y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.800Å

e7md72y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.800Å

e7m4zv1[v:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal subunit interface protein ; ligands: MG ; ELECTRON MICROSCOPY

e7rqa1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.400Å

e7rqa2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; X-RAY DIFFRACTION 2.400Å

e7rqb2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.450Å

e7rqc2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.500Å

e7rqd2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.500Å

e7rqe2y1[2y:3-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.400Å

e7rqb1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.450Å

e7rqc1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.500Å

e7rqd1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.500Å

e7rqe1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosome-associated inhibitor A ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.400Å

e8fc11y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8t8b1y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc41y1[1y:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

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