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

Crystal structure of the small GTPase Rab27B complexed with the Slp homology domain of Slac2-a/melanophilin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

hetero-1-1-mer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: T.25, T.43 Ligands: GTP.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:T.25, A:T.43

1 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.2: 23 residues within 4Å: Chain A: D.19, S.20, G.21, V.22, G.23, K.24, T.25, T.26, F.36, P.38, K.39, F.40, T.42, T.43, G.79, N.135, K.136, D.138, L.139, S.165, A.166, A.167 Ligands: MG.1 21 PLIP interactions: 21 interactions with chain A Hydrogen bonds: A:G.21, A:G.23, A:K.24, A:T.25, A:T.26, A:T.26, A:P.38, A:T.42, A:T.43, A:G.79, A:N.135, A:K.136, A:K.136, A:A.166, A:A.167 Salt bridges: A:K.24, A:K.24, A:D.138 pi-Stacking: A:F.36, A:F.36 pi-Cation interactions: A:K.136

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 5 residues within 4Å: Chain B: C.88, E.90, C.91, C.111, C.114 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.88, B:C.91, B:C.111, B:C.114 ZN.4: 4 residues within 4Å: Chain B: C.71, C.74, C.96, C.99 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.71, B:C.74, B:C.96, B:C.99

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

SO4.5: 4 residues within 4Å: Chain A: R.92 Chain B: K.137, R.138, K.143 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Salt bridges: A:R.92, B:R.138, B:K.143 Hydrogen bonds: B:K.137

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kukimoto-Niino, M. et al., Structural basis for the exclusive specificity of Slac2-a/melanophilin for the Rab27 GTPases. Structure (2008)

Release Date

2008-09-30

Peptides

Ras-related protein Rab-27B: A
Melanophilin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Ras-related protein Rab-27B

Melanophilin

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