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4IFC

Crystal Structure of ADP-bound Human PRPF4B kinase domain

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
A0045292biological_processmRNA cis splicing, via spliceosome
B0004672molecular_functionprotein kinase activity
B0004674molecular_functionprotein serine/threonine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
B0045292biological_processmRNA cis splicing, via spliceosome
Functional Information from PDB Data
site_idAC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE ADP A 1101
ChainResidue
ATHR693
AGLU768
ALEU770
AASN773
AASP819
AASP834
AHOH1244
AHOH1298
AHOH1303
AHOH1382
AVAL697
APHE698
ASER699
AVAL701
AALA715
ALYS717
ALEU751
APHE767

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 1102
ChainResidue
APTR849
AARG853
AARG856
AHOH1229
AHOH1378

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE ADP B 1101
ChainResidue
BTHR693
BVAL697
BPHE698
BSER699
BVAL701
BALA715
BLYS717
BPHE767
BGLU768
BLEU770
BASN773
BASP819
BLEU822
BASP834

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 1102
ChainResidue
AARG709
BARG686
BARG709
BARG755

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 1103
ChainResidue
BPTR849
BARG853
BARG856
BHOH1226

Functional Information from PROSITE/UniProt
site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IlHaDIKpdNILV
ChainResidueDetails
AILE811-VAL823

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":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q5RKH1","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

242500

PDB entries from 2025-10-01

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