SMTL ID : 9drj.1

Cryo-EM structure of a SUMO E1-E2-SUMO1 complex.

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 2.70 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain B: C.158, C.161, C.441, C.444 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.158, B:C.161, B:C.441, B:C.444

1 x AMP: ADENOSINE MONOPHOSPHATE(Covalent)

AMP.2: 18 residues within 4Å: Chain B: G.24, A.25, G.26, G.27, I.28, I.47, D.48, L.49, D.50, K.72, S.95, I.96, A.115, L.116, D.117, N.118, A.121 Chain D: G.117 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:A.25, B:G.27, B:D.50, B:D.50, B:K.72, B:I.96, B:N.118 Salt bridges: B:R.59

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nayak, A. et al., Cryo-EM structures reveal the molecular mechanism of SUMO E1-E2 thioester transfer. Nat.Struct.Mol.Biol. (2025)

Release Date

2025-10-01

Peptides

SUMO-activating enzyme subunit 1: A
SUMO-activating enzyme subunit 2: B
SUMO-conjugating enzyme UBC9: C
Small ubiquitin-related modifier 1: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

SUMO-activating enzyme subunit 1

SUMO-activating enzyme subunit 2

SUMO-conjugating enzyme UBC9

Small ubiquitin-related modifier 1

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