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2QYO

Crystal structure of isoflavone O-methyltransferase homolog in complex with biochanin A and SAH

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
O-methyltransferasepolymer35740258.52UniProt (Q1SCE3)
Pfam (PF08100)
Pfam (PF00891)
UniProt (by SIFTS) (Q06YR3)
Medicago truncatula (Barrel medic)IOMT 3
2C, D, E, F, G...
(A, B)
POTASSIUM IONnon-polymer39.113Chemie (K)
PubChem (813)
3K, R
(A, B)
S-ADENOSYL-L-HOMOCYSTEINEnon-polymer384.42Chemie (SAH)
PubChem (16760024)
PubChem (193)
PubChem (25210495)
PubChem (13792)
PubChem (177678424)
PubChem (44361184)
PubChem (21125603)
PubChem (46936206)
PubChem (50989525)
PubChem (25203782)
PubChem (51380914)
PubChem (52224398)
PubChem (189149)
PubChem (57544532)
PubChem (439155)
PubChem (59046843)
PubChem (59170628)
PubChem (59576228)
PubChem (66805708)
PubChem (70689219)
PubChem (70702054)
PubChem (70832431)
PubChem (52224400)
PubChem (5284331)
PubChem (6419189)
PubChem (118374891)
PubChem (118560068)
PubChem (71170554)
PubChem (13231890)
PubChem (164157219)
PubChem (126969526)
PubChem (129105892)
PubChem (143518505)
PubChem (154578335)
PubChem (163054214)
PubChem (163335525)
4L, S
(A, B)
5,7-dihydroxy-3-(4-methoxyphenyl)-4H-chromen-4-onenon-polymer284.32Chemie (QSO)
PubChem (5280373)
5T, U
(A, B)
waterwater18.0186Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight80517.0
Non-Polymers*Number of molecules17
Total formula weight1845.6
All*Total formula weight82362.6
*Water molecules are not included.

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PDB entries from 2026-05-06

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