SMTL ID : 5cjp.1

The Structural Basis for Cdc42-Induced Dimerization of IQGAPs

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

hetero-4-2-mer

Ligands

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

GTP.1: 24 residues within 4Å: Chain A: G.14, A.15, V.16, G.17, K.18, T.19, C.20, Y.34, P.36, T.37, T.60, A.61, G.62, Q.118, D.120, L.121, S.160, A.161, L.162 Chain E: N.57, R.59, E.60, Y.326 Ligands: MG.2 23 PLIP interactions: 19 interactions with chain A, 4 interactions with chain E Hydrogen bonds: A:A.15, A:V.16, A:G.17, A:K.18, A:T.19, A:T.19, A:C.20, A:Y.34, A:T.37, A:G.62, A:Q.118, A:Q.118, A:A.161, A:L.162, E:R.59, E:R.59, E:Y.326, E:Y.326 Water bridges: A:V.35 Salt bridges: A:K.18, A:K.18, A:D.120 pi-Stacking: A:F.30 GTP.3: 25 residues within 4Å: Chain B: G.14, A.15, V.16, G.17, K.18, T.19, C.20, F.30, Y.34, P.36, T.37, T.60, A.61, G.62, Q.118, D.120, L.121, S.160, A.161, L.162 Chain F: N.57, R.59, E.60, Y.326 Ligands: MG.4 24 PLIP interactions: 3 interactions with chain F, 21 interactions with chain B Hydrogen bonds: F:R.59, F:R.59, F:Y.326, B:A.15, B:V.16, B:G.17, B:K.18, B:T.19, B:T.19, B:C.20, B:T.37, B:T.60, B:G.62, B:Q.118, B:A.161, B:L.162 Water bridges: B:V.35, B:L.63, B:L.63 Salt bridges: B:K.18, B:K.18, B:D.120 pi-Stacking: B:F.30, B:F.30 GTP.5: 23 residues within 4Å: Chain C: G.14, A.15, V.16, G.17, K.18, T.19, C.20, F.30, P.31, Y.34, P.36, T.37, T.60, A.61, G.62, Q.118, D.120, L.121, S.160, A.161, L.162 Chain E: Q.84 Ligands: MG.6 21 PLIP interactions: 20 interactions with chain C, 1 interactions with chain E Hydrogen bonds: C:A.15, C:V.16, C:G.17, C:K.18, C:T.19, C:C.20, C:P.31, C:T.37, C:T.60, C:G.62, C:Q.118, C:A.161, C:L.162, E:Q.84 Water bridges: C:V.35, C:Q.118 Salt bridges: C:K.18, C:K.18, C:D.120 pi-Stacking: C:F.30, C:F.30 GTP.7: 22 residues within 4Å: Chain D: G.14, A.15, V.16, G.17, K.18, T.19, C.20, F.30, P.31, Y.34, P.36, T.37, A.61, G.62, Q.118, D.120, L.121, S.160, A.161, L.162 Chain F: Q.84 Ligands: MG.8 21 PLIP interactions: 20 interactions with chain D, 1 interactions with chain F Hydrogen bonds: D:A.15, D:V.16, D:G.17, D:K.18, D:T.19, D:T.19, D:C.20, D:P.31, D:Y.34, D:T.37, D:G.62, D:A.161, D:L.162, F:Q.84 Water bridges: D:T.19, D:V.35 Salt bridges: D:K.18, D:K.18, D:D.120 pi-Stacking: D:F.30, D:F.30

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 6 residues within 4Å: Chain A: K.18, T.19, T.37, D.59, T.60 Ligands: GTP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.19 MG.4: 6 residues within 4Å: Chain B: K.18, T.19, T.37, D.59, T.60 Ligands: GTP.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.19 MG.6: 5 residues within 4Å: Chain C: T.19, T.37, D.59, T.60 Ligands: GTP.5 3 PLIP interactions: 2 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:T.19, C:T.37, H2O.3 MG.8: 5 residues within 4Å: Chain D: T.19, T.37, D.59, T.60 Ligands: GTP.7 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:T.19, D:T.37, D:D.59, D:T.60

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

LeCour, L. et al., The Structural Basis for Cdc42-Induced Dimerization of IQGAPs. Structure (2016)

Release Date

2016-08-10

Peptides

Cell division cycle 42 (GTP binding protein, 25kDa), isoform CRA_a: ABCD
Ras GTPase-activating-like protein IQGAP2: EF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Cell division cycle 42 (GTP binding protein, 25kDa), isoform CRA_a

Ras GTPase-activating-like protein IQGAP2