SMTL ID : 8dzm.1 (1 other biounit)

Crystal structure of human Sar1a in complex with ppGpp and Magnesium

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

monomer

Ligands

2 x MG: MAGNESIUM ION(Non-functional Binders)(Non-covalent)

MG.1: 1 residues within 4Å: Ligands: G4P.3 No protein-ligand interaction detected (PLIP) MG.2: 2 residues within 4Å: Chain A: T.39 Ligands: G4P.3 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:T.39, H2O.1, H2O.1, H2O.3, H2O.4

1 x G4P: GUANOSINE-5',3'-TETRAPHOSPHATE(Non-covalent)

G4P.3: 18 residues within 4Å: Chain A: L.33, D.34, N.35, A.36, G.37, K.38, T.39, T.40, D.75, N.134, K.135, D.137, R.138, S.179, V.180, L.181 Ligands: MG.1, MG.2 19 PLIP interactions: 19 interactions with chain A Hydrogen bonds: A:L.33, A:N.35, A:A.36, A:G.37, A:K.38, A:T.39, A:T.40, A:T.40, A:D.75, A:N.134, A:K.135, A:K.135, A:V.180, A:L.181 Water bridges: A:T.39, A:R.138, A:R.138 Salt bridges: A:K.38, 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

2023-08-16

Peptides

GTP-binding protein SAR1a: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GTP-binding protein SAR1a

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