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3LQ3

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

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Choline/ethanolamine kinasepolymer40146265.31UniProt (Q9Y259)
Pfam (PF01633)
Homo sapiens (human)choline/ethanolamine kinase beta, CKEKB, Choline kinase beta, CKB, CK, Choline kinase-like protein, Ethanolamine kinase, EK, Ethanolamine kinase beta, EKB
2B
(A)
(2S)-2-[4'-({dimethyl[2-(phosphonooxy)ethyl]ammonio}acetyl)biphenyl-4-yl]-2-hydroxy-4,4-dimethylmorpholin-4-iumnon-polymer494.51Chemie (HC7)
PubChem (25113187)
PubChem (45259046)
3C
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
4D, E
(A)
UNKNOWN ATOM OR IONnon-polymer2Chemie (UNX)
5F
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
6G
(A)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.21Chemie (ADP)
7H
(A)
ADENOSINE MONOPHOSPHATEnon-polymer347.21Chemie (AMP)
PubChem (16397049)
PubChem (16760266)
PubChem (224)
PubChem (40467049)
PubChem (40469468)
PubChem (34768)
PubChem (44348067)
PubChem (83862)
PubChem (45358029)
PubChem (46874558)
PubChem (40459109)
PubChem (57358045)
PubChem (57879893)
PubChem (57879902)
PubChem (46875232)
PubChem (446048)
PubChem (515384)
PubChem (638042)
PubChem (177678969)
PubChem (6083)
PubChem (1549371)
PubChem (5316444)
PubChem (92144436)
PubChem (5742864)
PubChem (122197642)
PubChem (12358354)
PubChem (12163610)
PubChem (12358355)
PubChem (162290139)
PubChem (162946266)
PubChem (171699505)
8I
(A)
waterwater18.0273Chemie (HOH)
Sequence modifications
A: 14 - 395 (UniProt: Q9Y259)
PDBExternal DatabaseDetails
Met -5-expression tag
Gly -4-expression tag
Ser -3-expression tag
Ser -2-expression tag
His -1-expression tag
His 0-expression tag
His 1-expression tag
His 2-expression tag
His 3-expression tag
His 4-expression tag
Ser 5-expression tag
Ser 6-expression tag
Gly 7-expression tag
Leu 8-expression tag
Val 9-expression tag
Pro 10-expression tag
Arg 11-expression tag
Gly 12-expression tag
Ser 13-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight46265.3
Non-Polymers*Number of molecules7
Total formula weight1389.3
All*Total formula weight47654.6
*Water molecules are not included.

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PDB entries from 2026-05-06

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