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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: beta-Grasp
H: Ubiquitin-related
T: Alpha-L RNA-binding motif
F: Ribosomal_S4,S4

PF00163 PF01479

Representatives:

e2xzmD1[D:1-179] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4btsAD1[AD:2-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN RPS9E ; X-RAY DIFFRACTION 3.70Å

e4btsBD1[BD:2-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN RPS9E ; X-RAY DIFFRACTION 3.70Å

e4btsCD1[CD:2-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN RPS9E ; X-RAY DIFFRACTION 3.70Å

e4btsDD1[DD:2-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN RPS9E ; X-RAY DIFFRACTION 3.70Å

e4d5lJ1[J:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN US4 ; ELECTRON MICROSCOPY

e4d61J1[J:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; ELECTRON MICROSCOPY

e3j7aE1[E:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein uS4 ; ELECTRON MICROSCOPY

e3j7pSJ1[SJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein uS4 ; ligands: MG ; ELECTRON MICROSCOPY

e3j7rSJ1[SJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein uS4 ; ligands: MG ; ELECTRON MICROSCOPY

e3j80J1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e3j81J1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e4kzxJ1[J:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; X-RAY DIFFRACTION 7.81Å

e4kzyJ1[J:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; X-RAY DIFFRACTION 7.01Å

e4kzzJ1[J:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; X-RAY DIFFRACTION 7.03Å

e4ujcCJ1[CJ:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN US4 ; ELECTRON MICROSCOPY

e4ujdCJ1[CJ:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN US4 ; ELECTRON MICROSCOPY

e4ujeBJ1[BJ:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; ELECTRON MICROSCOPY

e4v5oAD1[AD:1-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOMAL PROTEIN S4 CONTAINING PROTEIN ; X-RAY DIFFRACTION 3.93Å

e4v5oBD1[BD:1-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOMAL PROTEIN S4 CONTAINING PROTEIN ; X-RAY DIFFRACTION 3.93Å

e4v6wAJ1[AJ:4-184] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e4v6xAJ1[AJ:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e5datS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

40S ribosomal protein S9-A ; ligands: MG,OHX ; X-RAY DIFFRACTION 3.15Å

e5dats91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.15Å

e3j6xS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e3j6yS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e3j77S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e3j78S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e4u3mS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u3ms91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u3nS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: A,C,OHX ; X-RAY DIFFRACTION 3.200Å

e4u3ns91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: A,C,OHX ; X-RAY DIFFRACTION 3.200Å

e4u3uS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 2.900Å

e4u3us91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 2.900Å

e4u4nS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e4u4ns91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e4u4oS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.600Å

e4u4os91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.600Å

e4u4qS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u4qs91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u4rS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 2.800Å

e4u4rs91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 2.800Å

e4u4uS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u4us91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u4yS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u4ys91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u4zS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e4u4zs91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e4u50S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u50s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u51S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u51s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u52S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u52s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.000Å

e4u53S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.300Å

e4u53s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.300Å

e4u55S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u55s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.200Å

e4u56S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.450Å

e4u56s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.450Å

e4u6fS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 2.900Å

e4u6fs91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 2.900Å

e4uerD1[D:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

US4 ; ELECTRON MICROSCOPY

e4v4bAD1[AD:19-196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ELECTRON MICROSCOPY

e4v4nBD1[BD:9-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S4P ; ELECTRON MICROSCOPY

e4v6uAD1[AD:9-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S4P ; ELECTRON MICROSCOPY

e4v7eBJ1[BJ:1-187] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S4 ; ELECTRON MICROSCOPY

e4v7rAE1[AE:21-185] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; X-RAY DIFFRACTION 4Å

e4v7rCE1[CE:21-185] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; X-RAY DIFFRACTION 4Å

e4v88AJ1[AJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

40S ribosomal protein S9-A ; ligands: MG,OHX ; X-RAY DIFFRACTION 3.0Å

e4v88CJ1[CJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

40S ribosomal protein S9-A ; ligands: MG,OHX ; X-RAY DIFFRACTION 3.0Å

e4v8mA61[A6:2-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9, PUTATIVE ; ELECTRON MICROSCOPY

e4v8yAJ1[AJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9-A ; ligands: MG,OHX ; ELECTRON MICROSCOPY

e4v8zAJ1[AJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9-A ; ligands: MG,OHX ; ELECTRON MICROSCOPY

e4v92BJ1[BJ:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

US4 ; ELECTRON MICROSCOPY

e4v3pSC1[SC:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e5aj0BJ1[BJ:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e4ug0SJ1[SJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; ELECTRON MICROSCOPY

e5a2qJ1[J:2-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBOSOMAL PROTEIN US4 ; ligands: MG ; ELECTRON MICROSCOPY

e3jajSJ1[SJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein uS4 ; ligands: MG ; ELECTRON MICROSCOPY

e3janSJ1[SJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein uS4 ; ligands: MG ; ELECTRON MICROSCOPY

e3jagJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e3jahJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e3jaiJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e3jamJ1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e3japJ1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e3jaqJ1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH

e3jbnE1[E:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein uS4 ; ELECTRON MICROSCOPY

e3jboE1[E:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein uS4 ; ELECTRON MICROSCOPY

e3jbpE1[E:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein uS4 ; ELECTRON MICROSCOPY

e5flxJ1[J:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S RIBOSOMAL PROTEIN S9 ; ELECTRON MICROSCOPY

e5fciS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.400Å

e5fcis91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: MG,OHX ; X-RAY DIFFRACTION 3.400Å

e5fcjS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; X-RAY DIFFRACTION 3.100Å

e5fcjs91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e5it7J1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

KLLA0E23673p ; ligands: MG ; ELECTRON MICROSCOPY

e5it9J1[J:2-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein uS4 ; ELECTRON MICROSCOPY

e5dc3S91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; X-RAY DIFFRACTION 3.250Å

e5dc3s91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; X-RAY DIFFRACTION 3.250Å

e5i4lS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e5i4ls91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.100Å

e5k0yK1[K:7-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S9 (Predicted) ; ELECTRON MICROSCOPY

e5jpqb1[b:15-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Imp3 ; ELECTRON MICROSCOPY

e5jpqu1[u:21-185] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e5juoGB1[GB:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 (yeast S9) ; ELECTRON MICROSCOPY

e5jupGB1[GB:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 (yeast S9) ; ELECTRON MICROSCOPY

e5jusGB1[GB:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 (yeast S9) ; ELECTRON MICROSCOPY

e5jutGB1[GB:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 (yeast S9) ; ELECTRON MICROSCOPY

e5juuGB1[GB:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 (yeast S9) ; ELECTRON MICROSCOPY

e5lybS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: OHX ; X-RAY DIFFRACTION 3.250Å

e5lybs91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: MG,OHX ; X-RAY DIFFRACTION 3.250Å

e5tgaS91[S9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: C,OHX,PRO ; X-RAY DIFFRACTION 3.300Å

e5tgas91[s9:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9-A ; ligands: C,MG,OHX,PRO ; X-RAY DIFFRACTION 3.300Å

e5lzsJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S9 (Predicted) ; ELECTRON MICROSCOPY

e5lztJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e5lzuJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S9 (Predicted) ; ELECTRON MICROSCOPY

e5lzvJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e5lzwJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e5lzxJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S9 (Predicted) ; ELECTRON MICROSCOPY

e5lzyJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S9 (Predicted) ; ELECTRON MICROSCOPY

e5lzzJJ1[JJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein S9 (Predicted) ; ELECTRON MICROSCOPY

e5jb3D1[D:9-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S4 ; ELECTRON MICROSCOPY

e5jbhD1[D:9-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein uS4 ; ELECTRON MICROSCOPY

e5t2a61[6:1-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

uS4 ; ELECTRON MICROSCOPY

e5t2cAL1[AL:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e5wyjMA1[MA:29-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

U3 small nucleolar ribonucleoprotein protein IMP3 ; ELECTRON MICROSCOPY

e5wykMA1[MA:29-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

U3 small nucleolar ribonucleoprotein protein IMP3 ; ELECTRON MICROSCOPY

e5lksSJ1[SJ:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e5wxmA1[A:28-162] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

U3 small nucleolar ribonucleoprotein protein IMP3 ; ligands: SO4 ; X-RAY DIFFRACTION 2.3Å

e5wxmB1[B:28-161] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

U3 small nucleolar ribonucleoprotein protein IMP3 ; ligands: SO4 ; X-RAY DIFFRACTION 2.3Å

e5vycJ11[J1:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; X-RAY DIFFRACTION 6Å

e5vycJ21[J2:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; X-RAY DIFFRACTION 6Å

e5vycJ31[J3:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; X-RAY DIFFRACTION 6Å

e5vycJ41[J4:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; X-RAY DIFFRACTION 6Å

e5vycJ51[J5:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; X-RAY DIFFRACTION 6Å

e5vycJ61[J6:2-186] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; X-RAY DIFFRACTION 6Å

e5oa3J1[J:2-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein S9 ; ELECTRON MICROSCOPY

e5xxuJ1[J:3-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribosomal protein uS4 ; ELECTRON MICROSCOPY

e5xyiJ1[J:5-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Uncharacterized protein ; ELECTRON MICROSCOPY

e5oqlr1[r:18-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein s9-like protein ; ELECTRON MICROSCOPY

e5oqla1[a:2-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Imp3 ; ELECTRON MICROSCOPY

e4v4vAD1[AD:2-205] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal subunit protein S4 ; ELECTRON MICROSCOPY

e4v6iAC1[AC:1-197] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

40S ribosomal protein rpS9 (S4p) ; 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