Structure of PDB 6fa4 Chain C

Receptor sequence

>6fa4C (length=169) Species: 9606 (Homo sapiens)

AFQGMTEYKLVVVGAGGVGKSALTIQLIQNHFVDEYDPTIEDSYRKQVVI
DGETCLLDILDTAGHSAMRDQYMRTGEGFLCVFAINNTKSFEDIHHYREQ
IKRVKDSEDVPMVLVGNKCDLPSRTVDTKQAQDLARSYGIPFIETSAKTR
QGVDDAFYTLVREIRKHKE

3D structure

• PDB: 6fa4 Small molecule inhibitors of RAS-effector protein interactions derived using an intracellular antibody fragment.
• Chain: C
• Resolution: 2.02 Å

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	D1W	C	V7 Y40 R41 D54 L56 Y71 T74	V11 Y44 R45 D58 L60 Y72 T75
BS02	MG	C	S17 T35	S21 T39
BS03	GNP	C	G13 G15 K16 S17 A18 F28 V29 D30 Y32 P34 T35 G60 N116 K117 D119 S145 A146	G17 G19 K20 S21 A22 F32 V33 D34 Y36 P38 T39 G64 N117 K118 D120 S146 A147

Gene Ontology

Molecular Function

• GO:0003924 GTPase activity
• GO:0005525 GTP binding

Biological Process

• GO:0007165 signal transduction

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:6fa4, PDBe:6fa4, PDBj:6fa4
• PDBsum: 6fa4
• PubMed: 30093669
• UniProt: P01116|RASK_HUMAN GTPase KRas (Gene Name=KRAS)