SMTL ID : 8e0a.2 (1 other biounit)

Crystal structure of human Sar1b

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

3 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 7 residues within 4Å: Chain A: F.18, Q.184, G.185, Y.186, G.187, E.188, R.191 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.185, A:G.187, A:E.188 Water bridges: A:G.185, A:E.188 Salt bridges: A:R.191 SO4.2: 5 residues within 4Å: Chain A: R.148, T.157, T.158, G.159, E.174 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:T.157, A:G.159, A:E.174 Water bridges: A:T.157, A:K.160, A:K.160 Salt bridges: A:R.148 SO4.3: 2 residues within 4Å: Chain A: H.105, R.146 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.105, A:R.146

1 x GDP: GUANOSINE-5'-DIPHOSPHATE(Non-covalent)

GDP.4: 17 residues within 4Å: Chain A: L.33, D.34, N.35, A.36, G.37, K.38, T.39, T.40, H.58, D.75, N.134, K.135, D.137, R.138, S.179, V.180, L.181 22 PLIP interactions: 22 interactions with chain A Hydrogen bonds: A:N.35, A:A.36, A:G.37, A:K.38, A:T.39, A:T.39, A:T.40, A:T.40, A:D.75, A:N.134, A:K.135, A:V.180, A:L.181 Water bridges: A:K.38, A:H.58, A:K.135, A:K.135, A:D.137 Salt bridges: A:K.38, A:H.58, A:H.58, A:D.137

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, Q. et al., The alarmone ppGpp selectively inhibits the isoform A of the human small GTPase Sar1. Proteins (2023)

Release Date

2022-11-30

Peptides

GTP-binding protein SAR1b: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

GTP-binding protein SAR1b

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