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3LQ3

Crystal structure of human choline kinase beta in complex with phosphorylated hemicholinium-3 and adenosine nucleotide

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004103molecular_functioncholine kinase activity
A0004305molecular_functionethanolamine kinase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006629biological_processlipid metabolic process
A0006646biological_processphosphatidylethanolamine biosynthetic process
A0006657biological_processCDP-choline pathway
A0008654biological_processphospholipid biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HC7 A 396
ChainResidue
AASP242
AGLU367
APHE368
ATYR373
AHOH403
AHOH459
AHOH532
AHOH599
AHOH669
AGLN244
AASP264
ATYR267
AGLU283
ATYR288
APHE295
ATRP353
ATRP356

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 397
ChainResidue
AASN247
AASP264
AADP401
AHOH403
AHOH404

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 400
ChainResidue
AHIS311
AARG314
AHIS315

site_idAC4
Number of Residues20
DetailsBINDING SITE FOR RESIDUE ADP A 401
ChainResidue
ALEU82
ALEU102
AARG104
APRO133
AGLU145
AGLN146
ATYR147
AILE148
APRO152
AGLY246
AASN247
AASP264
AMG397
AHOH403
AHOH404
AHOH459
AHOH545
AHOH669
AHOH670
AHOH671

site_idAC5
Number of Residues14
DetailsBINDING SITE FOR RESIDUE AMP A 402
ChainResidue
AVAL74
ALEU82
ALEU102
AARG104
APRO133
AGLU145
AGLN146
ATYR147
AILE148
APRO152
AGLY246
ALEU249
AHOH545
AHOH671

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20299452","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"SEP-2009","submissionDatabase":"PDB data bank","title":"Crystal structure of human choline kinase beta in complex with phosphorylated hemicholinium-3 and adenosine nucleotide.","authoringGroup":["Structural genomics consortium (SGC)"]}},{"source":"PDB","id":"3FEG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P35790","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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