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4EPR

Discovery of Small Molecules that Bind to K-Ras and Inhibit Sos-Mediated Activation.

Functional Information from GO Data
ChainGOidnamespacecontents
A0003924molecular_functionGTPase activity
A0005525molecular_functionGTP binding
A0007165biological_processsignal transduction
A0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues23
DetailsBINDING SITE FOR RESIDUE GDP A 201
ChainResidue
AGLY13
AASN116
ALYS117
AASP119
ALEU120
ASER145
AALA146
ALYS147
AMG202
AHOH401
AHOH403
AVAL14
AHOH404
AHOH405
AHOH406
AHOH415
AGLY15
ALYS16
ASER17
AALA18
APHE28
AVAL29
AASP30

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 202
ChainResidue
ASER17
AGDP201
AHOH401
AHOH402
AHOH403
AHOH404

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:22431598, ECO:0000269|PubMed:22566140
ChainResidueDetails
AGLY10
AVAL29
AALA59
AASN116

site_idSWS_FT_FI2
Number of Residues1
DetailsMOD_RES: N-acetylmethionine; in GTPase KRas; alternate => ECO:0000269|Ref.17
ChainResidueDetails
AMET1

site_idSWS_FT_FI3
Number of Residues1
DetailsMOD_RES: N-acetylthreonine; in GTPase KRas, N-terminally processed => ECO:0000269|Ref.17
ChainResidueDetails
ATHR2

site_idSWS_FT_FI4
Number of Residues1
DetailsMOD_RES: N6-acetyllysine => ECO:0000269|PubMed:22711838
ChainResidueDetails
ALYS104

site_idSWS_FT_FI5
Number of Residues1
DetailsCARBOHYD: (Microbial infection) O-linked (Glc) threonine; by P.sordellii toxin TcsL => ECO:0000269|PubMed:19744486
ChainResidueDetails
ATHR35

225158

PDB entries from 2024-09-18

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