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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

X: Ribonuclease H-like
H: Ribonuclease H-like
T: Ribonuclease H-like
F: Ribosomal_S11

PF00411 CL0267

Representatives:

e2uubK1[K:11-129] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S RIBOSOMAL PROTEIN S11 ; X-RAY DIFFRACTION 2.800Å

e7m5dp1[p:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7q4kAK1[AK:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8a22Bk1[Bk:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS11m ; ligands: K ; ELECTRON MICROSCOPY

e8apnBk1[Bk:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS11m ; ligands: K ; ELECTRON MICROSCOPY

e8c00Z1[Z:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e8c01Z1[Z:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtlSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtmSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtnSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtoSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtpSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtqSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7wtrSO1[SO:10-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e7zpqAO1[AO:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-B ; ELECTRON MICROSCOPY

e7zrsAO1[AO:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-B ; ELECTRON MICROSCOPY

e7zuwAO1[AO:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-B ; ELECTRON MICROSCOPY

e7zuxDO1[DO:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-B ; ELECTRON MICROSCOPY

e7qcaSO01[SO0:7-135] Image Pymol Jmol Links: PDB, SCOP, CATH

40S ribosomal protein S14 ; ligands: K,MG ; ELECTRON MICROSCOPY

e7qjhSO01[SO0:7-135] Image Pymol Jmol Links: PDB, SCOP, CATH

e7qjhRO01[RO0:7-135] Image Pymol Jmol Links: PDB, SCOP, CATH

e8csrI1[I:58-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S11, mitochondrial ; ELECTRON MICROSCOPY

e8cssI1[I:58-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S11, mitochondrial ; ELECTRON MICROSCOPY

e8cstI1[I:58-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S11, mitochondrial ; ELECTRON MICROSCOPY

e8csuI1[I:58-194] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

28S ribosomal protein S11, mitochondrial ; ELECTRON MICROSCOPY

e7qggSO1[SO:15-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7r4xO1[O:25-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: K,MG ; ELECTRON MICROSCOPY

e7wtsO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wttO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wtuO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wtvO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wtwO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wtxO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wtzO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7wu0O1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e7zjwSZ1[SZ:16-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein uS11 ; ligands: NA,SER ; ELECTRON MICROSCOPY

e8fomQK1[QK:11-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; X-RAY DIFFRACTION 3.400Å

e8fomXK1[XK:11-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; X-RAY DIFFRACTION 3.400Å

e8fonQK1[QK:11-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; X-RAY DIFFRACTION 3.500Å

e8fonXK1[XK:11-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ligands: MG ; X-RAY DIFFRACTION 3.500Å

e8a3lK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8fizAM1[AM:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8g6wK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7uvvk1[k:12-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7uvwk1[k:12-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7uvxk1[k:12-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7uvyk1[k:12-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7uvzk1[k:12-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7uw1k1[k:12-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e7ztaS1111[S111:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8br3SO01[SO0:7-135] Image Pymol Jmol Links: PDB, SCOP, CATH

e8br8SQ1[SQ:26-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S14 ; ELECTRON MICROSCOPY

e8brmSQ1[SQ:27-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S14 ; ELECTRON MICROSCOPY

e8bsiSQ1[SQ:28-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S14 ; ELECTRON MICROSCOPY

e8bsjSQ1[SQ:28-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S14 ; ELECTRON MICROSCOPY

e8btdSQ1[SQ:25-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S14 ; ELECTRON MICROSCOPY

e8btrSQ1[SQ:26-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S14 ; ELECTRON MICROSCOPY

e7z3nSO1[SO:16-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-like protein ; ligands: MG ; ELECTRON MICROSCOPY

e7z3oSO1[SO:16-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-like protein ; ELECTRON MICROSCOPY

e8bqdZ1[Z:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-B ; ELECTRON MICROSCOPY

e8bqxZ1[Z:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-B ; ELECTRON MICROSCOPY

e8cahZ1[Z:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e8casZ1[Z:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e8cbjO1[O:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ELECTRON MICROSCOPY

e8btkAn1[An:16-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: MG ; ELECTRON MICROSCOPY

e8g5ySO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: K,MET,MG ; ELECTRON MICROSCOPY

e8g5zSO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS11 ; ligands: MET,MG,PHE ; ELECTRON MICROSCOPY

e8g60SO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS11 ; ligands: MET,MG,PHE ; ELECTRON MICROSCOPY

e8g61SO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: MET,MG ; ELECTRON MICROSCOPY

e8g6jSO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: MET,MG,PHE ; ELECTRON MICROSCOPY

e8glpSO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: K,MET,MG ; ELECTRON MICROSCOPY

e7xnxSO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: MG ; ELECTRON MICROSCOPY

e7xnySO1[SO:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: MG ; ELECTRON MICROSCOPY

e8oipAi1[Ai:60-196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S11 ; ligands: K ; ELECTRON MICROSCOPY

e8buuk1[k:17-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8crxK1[K:19-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8cwoK1[K:19-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8fr8m1[m:23-137] Image Pymol Jmol Links: PDB, SCOP, CATH

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8fc11k1[1k:13-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8t8b1k1[1k:13-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8fc41k1[1k:13-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e8ev61k1[1k:13-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: MG ; X-RAY DIFFRACTION 2.946Å

e8cepK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Small ribosomal subunit protein uS11 ; ELECTRON MICROSCOPY

e8caiK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Small ribosomal subunit protein uS11 ; ELECTRON MICROSCOPY

e8ftoK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8sylk1[k:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bf7o1[o:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8eyqK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e7y7cK1[K:13-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8bh6k1[k:10-127] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e7pkqk1[k:121-219] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8apoBk1[Bk:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p5dSO01[SO0:7-135] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8q5iP1[P:6-132] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

; ligands: K16,MG ; ELECTRON MICROSCOPY

e8hkxS11P1[S11P:5-132] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8hkyS11P1[S11P:5-132] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8hl2S11P1[S11P:5-132] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S11 ; ELECTRON MICROSCOPY

e8hl5S11P1[S11P:5-132] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8auvS1[S:19-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS11 (40S ribosomal protein S14) ; ligands: K,MG ; ELECTRON MICROSCOPY

e8b2lS11[S1:19-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-2 ; ligands: K,MG ; ELECTRON MICROSCOPY

e8eubBO1[BO:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ccsq1[q:11-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14-A ; ligands: K,MG ; ELECTRON MICROSCOPY

e8a98SO1[SO:9-144] Image Pymol Jmol Links: PDB, SCOP, CATH

40S ribosomal protein S14 ; ELECTRON MICROSCOPY

e8p2kAn1[An:16-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: MG,N,UNX ; ELECTRON MICROSCOPY

e8bhfP31[P3:16-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: MG ; ELECTRON MICROSCOPY

e8t4sO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8ppkO1[O:17-151] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S14 ; ligands: UNX ; ELECTRON MICROSCOPY

e8oinAi1[Ai:60-196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mitochondrial ribosomal protein S11 ; ligands: K,PHE ; ELECTRON MICROSCOPY

Previous

e3j9mAI1[AI:59-194] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS11m ; ELECTRON MICROSCOPY

e5aj3K1[K:61-196] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN US11M, MRPS11 ; ligands: MG ; 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.

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes