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6X3O

Co-structure of BTK kinase domain with L-005191930 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 Residues21
Detailsbinding site for residue ULY A 701
ChainResidue
ALEU408
ATHR474
AGLU475
AMET477
AGLY480
ACYS481
AASN484
ALEU528
ASER538
AASP539
ALEU542
AGLY411
AHOH863
AHOH865
AVAL416
AALA428
ALYS430
APHE442
AMET449
ALEU460
AILE472

site_idAC2
Number of Residues7
Detailsbinding site for residue 5WE A 702
ChainResidue
ATRP395
AILE397
ATRP421
ATYR425
AVAL427
ASER453
ATYR461

site_idAC3
Number of Residues19
Detailsbinding site for residue ULY B 701
ChainResidue
BLEU408
BVAL416
BALA428
BILE429
BLYS430
BPHE442
BMET449
BLEU460
BILE472
BTHR474
BGLU475
BMET477
BGLY480
BCYS481
BLEU528
BSER538
BASP539
BHOH814
BHOH854

site_idAC4
Number of Residues8
Detailsbinding site for residue 5WE B 702
ChainResidue
BSER394
BTRP421
BTYR425
BVAL427
BSER453
BTYR461
BHOH885
BHOH936

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues23
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGTGQFGVVKyGkwrgqyd...........VAIK
ChainResidueDetails
ALEU408-LYS430

site_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. FLHrDLAARNCLV
ChainResidueDetails
APHE517-VAL529

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues506
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsMotif: {"description":"CAV1-binding"}
ChainResidueDetails

site_idSWS_FT_FI3
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_FI4
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20052711","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3K54","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OCT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"21280133","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3PIY","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by LYN and SYK","evidences":[{"source":"PubMed","id":"8630736","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9012831","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"15375214","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"15375214","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19369195","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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