SMTL ID : 2fmx.2 (1 other biounit)

An open conformation of switch I revealed by Sar1-GDP crystal structure at low Mg(2+)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.82 Å

Oligo State

monomer

Ligands

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

SO4.1: 7 residues within 4Å: Chain A: F.15, Q.181, G.182, Y.183, G.184, E.185, R.188 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.182, A:G.184, A:E.185 Water bridges: A:Y.183, A:Y.183 Salt bridges: A:R.188

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: T.36, D.72 Ligands: GDP.3 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.36, H2O.1, H2O.3

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

GDP.3: 17 residues within 4Å: Chain A: L.30, D.31, N.32, A.33, G.34, K.35, T.36, T.37, D.72, N.131, K.132, D.134, R.135, S.176, V.177, L.178 Ligands: MG.2 21 PLIP interactions: 21 interactions with chain A Hydrogen bonds: A:N.32, A:A.33, A:G.34, A:K.35, A:T.36, A:T.37, A:T.37, A:D.72, A:D.72, A:N.131, A:K.132, A:K.132, A:S.176, A:V.177, A:L.178 Water bridges: A:K.35, A:K.35, A:T.36, A:H.55 Salt bridges: A:K.35, A:D.134

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rao, Y. et al., An open conformation of switch I revealed by Sar1-GDP crystal structure at low Mg(2+). Biochem.Biophys.Res.Commun. (2006)

Release Date

2006-09-05

Peptides

GTP-binding protein SAR1b: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

GTP-binding protein SAR1b

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