6FGA: TRIM21 E3 ligase, RING domain

Crystal structure of TRIM21 E3 ligase, RING domain in complex with its cognate E2 conjugating enzyme UBE2E1. Determined by X-ray diffraction at 2.82 Å resolution. Released 12 Jun 2019.

Method
X-ray diffraction
Resolution
2.82 Å
Organism
Homo sapiens
Chains
15
Atoms
13,206
Mol. weight
214.16 kDa
Ligands
ZN
Released
12 Jun 2019

Explore 6FGA in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6FGA contains 74 α-helices and 114 β-strands across 15 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 3 helices, 7 β-strands

ElementResiduesLengthSheet
α-helix8-136
β-strand1511
β-strand2211
β-strand26-2832
β-strand34-3632
α-helix37-437
β-strand5013
β-strand5713
β-strand64-6522
α-helix67-8014
Chain B: 3 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix8-136
β-strand1514
β-strand2214
β-strand26-2835
β-strand34-3635
α-helix37-459
β-strand5016
β-strand5716
β-strand64-6525
α-helix67-8014
Chain C: 3 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix7-137
β-strand1517
β-strand2217
β-strand26-2838
β-strand34-3638
α-helix37-459
β-strand5019
β-strand5719
β-strand64-6528
α-helix67-8115
Chain D: 3 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix11-144
β-strand15110
β-strand22110
β-strand26-28311
β-strand34-36311
α-helix37-448
β-strand50112
β-strand57112
β-strand64-65211
α-helix67-7812
Chain E: 3 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix8-136
β-strand15113
β-strand22113
β-strand26-28314
β-strand34-36314
α-helix37-459
β-strand50115
β-strand56116
β-strand57115
β-strand64-65214
α-helix67-8115
Chain F: 4 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix8-136
β-strand15117
β-strand22117
β-strand26-28318
β-strand34-36318
α-helix37-459
β-strand50119
β-strand56116
β-strand57119
α-helix60-623
β-strand64-65218
α-helix67-8115
Chain G: 3 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix8-136
β-strand15120
β-strand22120
β-strand26-28321
β-strand34-36321
α-helix37-437
β-strand50122
β-strand57122
β-strand64-65221
α-helix67-8115
Chain H: 3 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix8-136
β-strand15123
β-strand22123
β-strand26-28324
β-strand34-36324
α-helix37-448
β-strand50125
β-strand57125
β-strand64-65224
α-helix67-8115

5 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
E3 ubiquitin-protein ligase TRIM21A, B, C, D, E, F, G, Hprotein101Homo sapiensP19474 (AlphaFold model)
Ubiquitin-conjugating enzyme E2 E1I, J, K, L, M, N, Oprotein158Homo sapiensP51965 (AlphaFold model)
Sequence of entity 1 (A, B, C, D, E, F, G, H), FASTA
>6FGA_1 E3 ubiquitin-protein ligase TRIM21 (chains A, B, C, D, E, F, G, H)
GSHMASAARLTMMWEEVTCPICLDPFVEPVSIECGHSFCQECISQVGKGGGSVCPVCRQR
FLLKNLRPNRQLANMVNNLKEISQEAREGTQGERCAVHGER
Sequence of entity 2 (I, J, K, L, M, N, O), FASTA
>6FGA_2 Ubiquitin-conjugating enzyme E2 E1 (chains I, J, K, L, M, N, O)
GSMSKNSKLLSTSAKRIQKELADITLDPPPNCSAGPKGDNIYEWRSTILGPPGSVYEGGV
FFLDITFTPEYPFKPPKVTFRTRIYHCNINSQGVICLDILKDNWSPALTISKVLLSICSL
LTDCNPADPLVGSIATQYMTNRAEHDRMARQWTKRYAT

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn16

Water and common crystallization additives (GOL) are not listed.

Primary citation

E3 ubiquitin-protein ligase TRIM21-mediated lysine capture by UBE2E1 reveals substrate-targeting mode of a ubiquitin-conjugating E2. Anandapadamanaban, M., Kyriakidis, N.C., Csizmok, V. et al. J Biol Chem (2019) 294:11404-11419. DOI 10.1074/jbc.RA119.008485 · PubMed

Other PDB entries of the same protein (UniProt P19474 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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