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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

e4v9lDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.5Å

e4v9mBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.983Å

e4v9mDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.983Å

e4v9nBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.400Å

e4v9nDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.400Å

e4v9qAR1[AR:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v9qCR1[CR:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v9rBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.000Å

e4v9rDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.000Å

e4v9sBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e4v9sDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e4w29BV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.8Å

e4w29DV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.8Å

e4w2fBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.400Å

e4w2fDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.400Å

e4w2gBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.550Å

e4w2gDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.550Å

e4w2hBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e4w2hDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e4w2iBV1[BV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e4w2iDV1[DV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.700Å

e4v8gBV1[BV:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; X-RAY DIFFRACTION 3.000Å

e4v95BV1[BV:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e4v95DV1[DV:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.200Å

e4wwwRR1[RR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.0Å

e4wwwYR1[YR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.0Å

e4wpoAV1[AV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wpoCV1[CV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wqfAV1[AV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.790Å

e4wqfCV1[CV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.790Å

e4wquAV1[AV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wquCV1[CV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wqyAV1[AV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wqyCV1[CV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4xejAL211[AL21:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 3.8Å

e4xejBL211[BL21:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 3.8Å

e4ybbCS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.000Å

e4y4o1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.300Å

e4y4o2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 2.300Å

e4y4p1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.500Å

e4y4p2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.500Å

e4ybbDS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 2.000Å

e3j9wBU1[BU:2-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein bL21 ; ELECTRON MICROSCOPY

e4tuaRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.400Å

e4tuaYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.400Å

e4tubRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.600Å

e4tubYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.600Å

e4tucRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.600Å

e4tucYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.600Å

e4tudRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.600Å

e4tudYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.600Å

e4tueRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4tueYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4z8c1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4z8c2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4zer1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.100Å

e4zer2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: ARG,MG ; X-RAY DIFFRACTION 3.100Å

e4z3q1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: MG

e4z3q2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: MG

e4z3r1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: MG

e4z3r2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: MG

e4z3s1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.650Å

e4z3s2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.650Å

e4wq1D81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.100Å

e4wq1951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e4wqrD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wqr951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wr6D81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.050Å

e4wr6951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.050Å

e4wraD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.050Å

e4wra951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.050Å

e4wroD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.050Å

e4wsdD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wsd951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wsmD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.300Å

e4wsm951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.300Å

e4wt1D81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.050Å

e4wt1951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.050Å

e4wu1D81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wu1951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wzdD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.100Å

e4wzd951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.100Å

e4wzoD81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.300Å

e4wzo951[95:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.300Å

e3j9zLP1[LP:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e3ja1LT1[LT:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e4u67O1[O:5-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.65Å

e4woiBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.900Å

e4woiCR1[CR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.900Å

e5aa0AS1[AS:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5d8bP1[P:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.63Å

e5d8bLB1[LB:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.63Å

e4wceO1[O:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.510Å

e4wf9O1[O:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.400Å

e4wfaO1[O:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.400Å

e4wfbO1[O:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.430Å

e4w4gRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.300Å

e4w4gYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.300Å

e4ypbRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.400Å

e4ypbYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.400Å

e4yzvRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e4yzvYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e5adyR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; ELECTRON MICROSCOPY

e5a9zAS1[AS:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5dm6O1[O:5-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.90Å

e5dm7O1[O:5-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.00Å

e4wfnO1[O:5-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.54Å

e5dox1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e5dox2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.100Å

e5doy1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e5doy2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S Ribosomal Protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.600Å

e3jcdR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e3jceR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5el5D81[D8:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5fdu1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: A,MG ; X-RAY DIFFRACTION 2.900Å

e5fdu2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: A,MG ; X-RAY DIFFRACTION 2.900Å

e5fdv1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5fdv2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5gadS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5gaeS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5gagS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5gahS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e3jbur1[r:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e3jbvr1[r:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5e7kD81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5e7k951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5e81D81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5e81951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5el4D81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5el4951[95:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5el5951[95:2-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5el6D81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.100Å

e5el6951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.100Å

e5el7D81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.050Å

e5el7951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.050Å

e5f8k1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5f8k2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5gafS1[S:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e3jcjQ1[Q:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e3jcnR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5hau1T1[1T:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.000Å

e5hau2T1[2T:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.000Å

e5hcp1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.890Å

e5hcp2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.890Å

e5hcq1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5hcq2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5hcr1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5hcr2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5hd11V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5hd12V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5j4b1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5j4b2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5j4c1V1[1V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5j4c2V1[2V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5iqrR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5imqn1[n:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5imrn1[n:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5j4dS1[S:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.1Å

e5j4dXB1[XB:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.1Å

e5j8bV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.590Å

e5ib7D81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.990Å

e5ib7951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 2.990Å

e5ib8D81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.130Å

e5ib8951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.130Å

e5ibbD81[D8:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5ibb951[95:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4wt8CU1[CU:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 3.400Å

e4wt8DU1[DU:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 3.400Å

e5j88CS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.316Å

e5j88DS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 3.316Å

e5j8aCS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.1Å

e5j8aDS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 3.1Å

e5j91CS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.96Å

e5j91DS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 2.96Å

e5jc9CS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.03Å

e5jc9DS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 3.03Å

e5jteBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5ju8BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5l3pV1[V:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5it8CS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.117Å

e5it8DS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 3.117Å

e5j5bCS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.8Å

e5j5bDS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 2.8Å

e5j7lCS1[CS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 2.999Å

e5j7lDS1[DS:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MPD,PG4,PGE ; X-RAY DIFFRACTION 2.999Å

e4zsnRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.6Å

e4zsnYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.6Å

e5kpsR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5kpvQ1[Q:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5kpwQ1[Q:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5kpxQ1[Q:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5dm8O1[O:5-98] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: MG

e5czpYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.300Å

e5czpRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.300Å

e5dfeYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.09997551079Å

e5dfeRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.09997551079Å

e5j30RV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5j30YV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5j3cRV1[RV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.040Å

e5j3cYV1[YV:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.040Å

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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