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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

e4g5u21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4b8gV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uz921[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3v29V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uzk21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uz821[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4b8iV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3v2fV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e3v25V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3tvh21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3zneV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uzh21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4dhcV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e3v27V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e3uye21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uzf21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uxrV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4dhaV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e3uzn21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4g5n21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uyg21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4g5w21[2:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3uosV1[V:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4gauR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j11T1[T:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j0wT1[T:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j14T1[T:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j12T1[T:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j0yT1[T:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4ioaO1[O:1-94] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; X-RAY DIFFRACTION 3.2Å

e4iocO1[O:1-94] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; X-RAY DIFFRACTION 3.6Å

e3v6xV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4ejbV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4ejcV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j3vR1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e3j3wR1[R:1-102] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e4juxV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4k0mV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4k0qV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kbuV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kbwV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kczV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kd2V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kd9V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kdbV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kdhV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kdkV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kfiV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kflV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kixR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kizR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kj1R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kj3R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kj5R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kj7R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kj9R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4kjbR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4l6jR1[R:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4l6lR1[R:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4btdV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4bycV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4byeV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j4xR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j50R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j51R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j52R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j54R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j56R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j58R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5aR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5cR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5eR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5gR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5iR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5kR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5oR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5uT1[T:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5wU1[U:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j5lR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e4nvvV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4nvxV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4nvzV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4nw1V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4csuR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; ELECTRON MICROSCOPY

e4pebR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4pecR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tomR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tooR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4tovR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4toxR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tp1R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tp3R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tp5R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tp7R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tp9R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tpbR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tpdR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4tpfR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vvmV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vvoV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vvqV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vvsV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vvuV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e1vvwV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vvyV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e1vw0V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vx9V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e1vxjV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vxlV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vxnV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e1vxqV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e1vxtV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kx0V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4kx2V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vy1V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e1vy3V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qcnV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qcpV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qcrV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qctV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qcvV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qcxV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qczV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qd1V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qjsV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4qs1V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4qs3V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4w2bQ1[Q:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4w2dQ1[Q:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j7zR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e4rb6V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rb8V1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rbaV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rbcV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rbeV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rbgV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rbiV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4rbkV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: MG

e4uy8R1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; ligands: MG,TRP ; ELECTRON MICROSCOPY

e4wapR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4warR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e3j8gR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e4w2eV1[V:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v4iP1[P:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v4jP1[P:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.83Å

e4wweU1[U:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4wwtU1[U:1-101] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e5afiR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e5akaR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; ELECTRON MICROSCOPY

e3j9yR1[R:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ELECTRON MICROSCOPY

e4v49BP1[BP:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 8.7Å

e4v4aBP1[BP:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 9.5Å

e4v4gBS1[BS:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 11.5Å

e4v4gDS1[DS:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 11.5Å

e4v4gFS1[FS:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 11.5Å

e4v4gHS1[HS:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 11.5Å

e4v4gJS1[JS:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 11.5Å

e4v4pA21[A2:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 5.50Å

e4v4rBV1[BV:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 5.9Å

e4v4sBV1[BV:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 6.76Å

e4v4tBV1[BV:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 6.46Å

e4u1uBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u1uDR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u1vBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u1vDR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u20BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u20DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u24BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u24DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u25BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u25DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u26BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u26DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u27BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4u27DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v4hBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; X-RAY DIFFRACTION 3.460Å

e4v4hDR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; X-RAY DIFFRACTION 3.460Å

e4v4qBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.46Å

e4v4qDR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.46Å

e4v50BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.22Å

e4v50DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.22Å

e4v52BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; ligands: MG ; X-RAY DIFFRACTION 3.21Å

e4v52DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.21Å

e4v53BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v53DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v54BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.3Å

e4v54DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.3Å

e4v55BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.0Å

e4v55DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.0Å

e4v56BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.93Å

e4v56DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.93Å

e4v57BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v57DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4v5bAR1[AR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; X-RAY DIFFRACTION 3.74Å

e4v5bCR1[CR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; X-RAY DIFFRACTION 3.74Å

e4v5hBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S RIBOSOMAL PROTEIN L21 ; ELECTRON MICROSCOPY

e4v5yBR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.45Å

e4v5yDR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 4.45Å

e4v64BR1[BR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.50Å

e4v64DR1[DR:1-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

50S ribosomal protein L21 ; X-RAY DIFFRACTION 3.50Å

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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