Structure of PDB 4q03 Chain A

Receptor sequence
>4q03A (length=170) Species: 9606 (Homo sapiens) [Search protein sequence]
GMTEYKLVVVGAVGVGKSALTIQLIQNHFVDEYDPTIEDCYRKQVVIDGE
TCLLDILDTAGQEEYSAMRDQYMRTGEGFLCVFAINNTKSFEDIHHYREQ
IKRVKDSEDVPMVLVGNKSDLPSRTVDTKQAQDLARSYGIPFIETSAKTR
QGVDDAFYTLVREIRKHKEK
3D structure
PDB4q03 A method for the second-site screening of K-Ras in the presence of a covalently attached first-site ligand.
ChainA
Resolution1.201 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.6.5.2: small monomeric GTPase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 GDP A G13 V14 G15 K16 S17 A18 D30 N116 K117 D119 S145 A146 G14 V15 G16 K17 S18 A19 D31 N117 K118 D120 S146 A147
BS02 2XE A L6 C39 Y40 D54 I55 L56 Y71 T74 G75 L7 C40 Y41 D55 I56 L57 Y72 T75 G76
Gene Ontology
Molecular Function
GO:0003924 GTPase activity
GO:0005525 GTP binding
Biological Process
GO:0007165 signal transduction
Cellular Component
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:4q03, PDBe:4q03, PDBj:4q03
PDBsum4q03
PubMed25087006
UniProtP01116|RASK_HUMAN GTPase KRas (Gene Name=KRAS)

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