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5MJB

Kinase domain of human EphB1, G703C mutant, covalently bound to a quinazoline-based inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004713molecular_functionprotein tyrosine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0004713molecular_functionprotein tyrosine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue 7O3 A 901
ChainResidue
AALA649
ASER761
AASP762
AHOH1047
AHOH1088
ALYS651
AGLU668
ATHR697
AGLU698
APHE699
AMET700
ACYS703
ALEU751

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 902
ChainResidue
AARG678
AARG682
ALYS759
AHOH1013
AHOH1045
AHOH1076

site_idAC3
Number of Residues3
Detailsbinding site for residue SO4 A 903
ChainResidue
ASER707
AARG710
AGLN711

site_idAC4
Number of Residues3
Detailsbinding site for residue SO4 A 904
ChainResidue
AARG748
ATRP790
AARG823

site_idAC5
Number of Residues5
Detailsbinding site for residue SO4 B 902
ChainResidue
AARG678
BARG678
BASN753
BVAL757
BLYS759

site_idAC6
Number of Residues4
Detailsbinding site for residue SO4 B 903
ChainResidue
BTRP790
BARG823
BHOH1009
BHOH1088

site_idAC7
Number of Residues14
Detailsbinding site for Di-peptide 7O3 B 901 and CYS B 703
ChainResidue
BALA649
BLYS651
BGLU668
BTHR697
BGLU698
BMET700
BGLU701
BASN702
BALA704
BLEU751
BVAL752
BASP762
BHOH1048
BHOH1080

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues27
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGAGEFGEVYkGrlklpgkreiy.......VAIK
ChainResidueDetails
AILE625-LYS651

site_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. YVHrDLAARNILV
ChainResidueDetails
ATYR740-VAL752

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10028","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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