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2QLU

Crystal structure of Activin receptor type II kinase domain from human

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004675molecular_functiontransmembrane receptor protein serine/threonine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
A0007178biological_processcell surface receptor protein serine/threonine kinase signaling pathway
A0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 1
ChainResidue
AHIS268
ALYS330
ASER331
AHOH501
AHOH521
AHOH533
AHOH557
AHOH558
AHOH591

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 2
ChainResidue
ALYS323
ALYS325
AARG363
AHIS421
AHOH620

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ADE A 488
ChainResidue
AALA215
ATHR265
AALA266
APHE267
AHIS268
ALEU328

Functional Information from PROSITE/UniProt
site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IaHrDFKskNVLL
ChainResidueDetails
AILE317-LEU329

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues290
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS325
AASP321

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS323
AASP321

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS323
ATHR361
AASP321

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS323
AASN326
AASP321

246031

PDB entries from 2025-12-10

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