SMTL ID : 1nvx.1

Structural evidence for feedback activation by RasGTP of the Ras-specific nucleotide exchange factor SOS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

hetero-2-1-mer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: S.17, T.35, D.57 Ligands: GTP.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:S.17, A:T.35

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

GTP.2: 25 residues within 4Å: Chain A: G.12, G.13, V.14, G.15, K.16, S.17, A.18, F.28, V.29, D.30, E.31, Y.32, P.34, T.35, T.58, G.59, G.60, E.62, N.116, K.117, D.119, S.145, A.146, K.147 Ligands: MG.1 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:G.13, A:G.15, A:K.16, A:S.17, A:A.18, A:V.29, A:D.30, A:T.35, A:T.58, A:G.60, A:G.60, A:N.116, A:K.117, A:K.117, A:A.146, A:K.147 Salt bridges: A:K.16, A:K.16, A:D.119 pi-Stacking: A:F.28

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.3: 10 residues within 4Å: Chain B: A.11, G.12, G.13, V.14, G.15, K.16, S.17, G.59, E.62 Chain C: E.377 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:G.13, B:V.14, B:G.15, B:K.16, B:S.17, B:E.62 Salt bridges: B:K.16

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Margarit, S.M. et al., Structural evidence for feedback activation by RasGTP of the Ras-specific nucleotide exchange factor SOS. Cell(Cambridge,Mass.) (2003)

Release Date

2003-04-01

Peptides

Transforming protein p21/H-RAS-1: AB
Son of sevenless protein homolog 1: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
Q

B
R

C
S

Transforming protein p21/H-RAS-1

Son of sevenless protein homolog 1

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