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4Q03

Second-site screening of K-Ras in the presence of covalently attached first-site ligands

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 Residues28
DetailsBINDING SITE FOR RESIDUE GDP A 201
ChainResidue
AGLY13
ATYR32
AASN116
ALYS117
AASP119
ALEU120
ASER145
AALA146
ALYS147
AMG202
AHOH301
AVAL14
AHOH304
AHOH305
AHOH327
AHOH339
AHOH403
AHOH429
AHOH453
AHOH472
AHOH550
AGLY15
ALYS16
ASER17
AALA18
APHE28
AVAL29
AASP30

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 202
ChainResidue
ASER17
AGDP201
AHOH301
AHOH304
AHOH305
AHOH307

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE 2XE A 203
ChainResidue
ALEU6
ACYS39
ATYR40
AASP54
AILE55
ALEU56
ATYR71
ATHR74
AGLY75

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

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PDB entries from 2024-07-17

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