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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

X: cradle loop barrel

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365

X: Ribosomal protein L21p
H: Ribosomal protein L21p
T: Ribosomal protein L21p
F: Ribosomal_L21p

PF00829

Representatives:

e2j01V1[V:1-101] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e5jvgO1[O:2-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.350Å

e5jvhO1[O:5-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.580Å

e5lzaR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5lzbR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5lzcR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5lzdR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5lzeR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5lzfR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5mdvR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5mdwR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5mdzR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5mgpR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5mdyR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5hl7O1[O:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MN ; X-RAY DIFFRACTION 3.550Å

e5li0U1[U:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5u4iS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5h5uS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5u9f201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5u9g201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5hkvO1[O:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.64Å

e5ncoS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5tcuL41[L4:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uyk201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uym201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uyn201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uyp201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uyq201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5t7vL41[L4:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5njtk1[k:2-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5np6p1[p:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uyl201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5vp21V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.800Å

e5vp22V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.800Å

e5nd8U1[U:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5nd9U1[U:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5o60S1[S:3-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5o61S1[S:3-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5nwye1[e:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5o2rR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5nrgO1[O:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.442Å

e5w4k1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e5w4k2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e5v7qR1[R:5-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LSU ribosomal protein L21p ; ELECTRON MICROSCOPY

e5v93R1[R:5-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LSU ribosomal protein L21p ; ELECTRON MICROSCOPY

e5ng8AP1[AP:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH

e5ng8BP1[BP:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH

e5ngmAP1[AP:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5xymR1[R:3-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5myjBU1[BU:4-104] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6cae1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e6eriAR1[AR:72-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21, chloroplastic ; ELECTRON MICROSCOPY

e5wdtR1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG,PHE ; ELECTRON MICROSCOPY

e5we4R1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG,PHE ; ELECTRON MICROSCOPY

e5we6R1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6cae2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e5wf0R1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5ndjD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.150Å

e5wfkR1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5wfsR1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG,PHE ; ELECTRON MICROSCOPY

e5ndj951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.150Å

e6bohS1[S:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.4Å

e6enfR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6enjR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6enuR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6bu8201[20:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5ndkD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.950Å

e5ndk951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.950Å

e6b4vS1[S:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.4Å

e5ot7w1[w:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; ELECTRON MICROSCOPY

e6b4vWB1[WB:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.4Å

e5wis1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e5wis2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e5wit1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e5wit2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e6c5lBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.2Å

e6c5lDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.2Å

e6c4iS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uq7V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5uq8V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6cfj1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.800Å

e6cfj2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.800Å

e6cfk1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.700Å

e6cfk2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.700Å

e6cfl1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.600Å

e6cfl2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.600Å

e5v8i1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.250Å

e6fxcAP1[AP:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6fxcBP1[BP:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6fkr1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e6fkr2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e5v8i2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.250Å

e6bohXB1[XB:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.4Å

e6bokS1[S:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.55Å

e6bokVB1[VB:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.55Å

e6ha1R1[R:2-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gbzR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6dncV1[V:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gwtR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gxmR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6h4nR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gslD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.160Å

e5zluo1[o:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5vpoRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.2Å

e5zebS1[S:2-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6dzpS1[S:3-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gc0R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gc4R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gc6R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gc7R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gc8R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gxnR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gxoR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gxpR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6h58R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6h58RR1[RR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gsjD81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.960Å

e6gsj951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.960Å

e6gskD81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.360Å

e6gsk951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.360Å

e6gsl951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.160Å

e6ha8R1[R:2-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5vpoYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.2Å

e5vppRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.7Å

e5vppYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.7Å

e6dziS1[S:3-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5zepS1[S:2-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5zetS1[S:2-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6hmaP1[P:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gzqQ11[Q1:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6buwRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.500Å

e6buwYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.500Å

e6bz6RV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.180Å

e6bz6YV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.180Å

e6bz7RV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.640Å

e6bz7YV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.640Å

e6bz8RV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.610Å

e6bz8YV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.610Å

e6gzxQ11[Q1:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gzxQ21[Q2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gzzQ11[Q1:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6gzzQ21[Q2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6i0yR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG,TRP ; ELECTRON MICROSCOPY

e6i7vCS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.800Å

e6i7vDS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: EDO,PG4,PGE ; X-RAY DIFFRACTION 2.800Å

e6hrmR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6n9e1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.700Å

e6n9e2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.700Å

e6n9f1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.700Å

e6n9f2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; X-RAY DIFFRACTION 3.700Å

e6nd61V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.850Å

e6q98R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6nd62V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.850Å

e6q95R1[R:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; ELECTRON MICROSCOPY

e6by1CR1[CR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.940Å

e6ndkRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.640Å

e6ndkYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.640Å

e6by1DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.940Å

e6q97R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6dddD1[D:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6ddgD1[D:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6nd51V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e6nd52V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e6n1dAL211[AL21:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.2Å

e6n1dBL211[BL21:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.2Å

e6qulS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6czr1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.1400Å

e6q9aR1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6czr2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.1400Å

e6nu2S1[S:49-204] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L21, mitochondrial ; ELECTRON MICROSCOPY

e6nu3S1[S:49-204] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

39S ribosomal protein L21, mitochondrial ; ELECTRON MICROSCOPY

e6o971V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.750Å

e6o972V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.750Å

e6of11V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.800Å

e6of12V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.800Å

e6o9jR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6o9kR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6oreR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6orlR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; ELECTRON MICROSCOPY

e6ostR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6ot3R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6ouoR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6qnq951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.85Å

e6qnrD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.00Å

e6qnr951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.00Å

e6oskR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6osqR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6qnqD81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 4.85Å

e6s0xP1[P:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6s0zP1[P:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6s12P1[P:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6s13P1[P:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6otrRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.120Å

e6ppfR1[R:2-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6u48CS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein bL21 ; ELECTRON MICROSCOPY

e6ofxr1[r:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6ppkR1[R:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6pvkR1[R:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e6otrYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.120Å

e6oxaRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e6oxaYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

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e4v19V1[V:55-209] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MITORIBOSOMAL PROTEIN BL21M, MRPL21 ; ELECTRON MICROSCOPY

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