SMTL ID : 7uqx.1

Cryo-EM structure of the human Exostosin-1 and Exostosin-2 heterodimer in complex with UDP-GlcNAc

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.1: 6 residues within 4Å: Chain B: W.393, N.593, F.640, G.641, T.642, P.644 No protein-ligand interaction detected (PLIP)

2 x UDP: URIDINE-5'-DIPHOSPHATE(Non-covalent)

UDP.2: 10 residues within 4Å: Chain A: K.241, G.242, K.243, Y.245, R.254, Y.293, Y.298, F.319, R.320, E.323 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:K.241, A:K.243, A:Y.293, A:E.323 Salt bridges: A:R.254, A:R.320 UDP.4: 12 residues within 4Å: Chain B: L.417, T.418, Y.419, R.421, N.446, N.473, L.475, D.494, D.495, D.496, M.580 Ligands: MN.5 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:L.417, B:R.421, B:N.446, B:N.473, B:N.473, B:D.496

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.3: 2 residues within 4Å: Chain A: E.300, N.304 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.304

1 x MN: MANGANESE (II) ION(Non-covalent)

MN.5: 2 residues within 4Å: Chain B: D.496 Ligands: UDP.4 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:D.496

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Structural basis for heparan sulfate co-polymerase action by the EXT1-2 complex. Nat.Chem.Biol. (2023)

Release Date

2022-09-28

Peptides

Exostosin-1: A
Exostosin-2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Exostosin-1

Exostosin-2

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