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4M6Y

Mutant structure of methyltransferase from Streptomyces hygroscopicus complexed with S-adenosyl-L-homocysteine and methylphenylpyruvic acid

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Methyltransferase MppJpolymer35739398.42UniProt (Q643C8)Streptomyces hygroscopicus
2C, K
(A, B)
S-ADENOSYL-L-HOMOCYSTEINEnon-polymer384.42Chemie (SAH)
PubChem (193)
PubChem (13792)
PubChem (189149)
PubChem (439155)
PubChem (5284331)
PubChem (71170554)
PubChem (13231890)
PubChem (16760024)
PubChem (25210495)
PubChem (44361184)
PubChem (177678424)
PubChem (46936206)
PubChem (21125603)
PubChem (25203782)
PubChem (52224400)
PubChem (50989525)
PubChem (51380914)
PubChem (52224398)
PubChem (6419189)
PubChem (57544532)
PubChem (59046843)
PubChem (59170628)
PubChem (164157219)
PubChem (59576228)
PubChem (66805708)
PubChem (70689219)
PubChem (70702054)
PubChem (70832431)
PubChem (118374891)
PubChem (118560068)
PubChem (126969526)
PubChem (129105892)
PubChem (143518505)
PubChem (154578335)
PubChem (163054214)
PubChem (163335525)
3D, L
(A, B)
(3R)-2-oxo-3-phenylbutanoic acidnon-polymer178.22Chemie (56D)
PubChem (13065771)
PubChem (70243965)
PubChem (73659125)
4E, M
(A, B)
FE (III) IONnon-polymer55.82Chemie (FE)
PubChem (29936)
5F, N
(A, B)
(2R)-2-hydroxy-3-phenylpropanoic acidnon-polymer166.22Chemie (HF2)
6G, H, I, O
(A, B)
CALCIUM IONnon-polymer40.14Chemie (CA)
PubChem (271)
7J, P
(A, B)
OXYGEN MOLECULEnon-polymer32.02Chemie (OXY)
PubChem (977)
8Q, R
(A, B)
waterwater18.0328Chemie (HOH)
Sequence modifications
A, B: 1 - 337 (UniProt: Q643C8)
PDBExternal DatabaseDetails
Met -19-expression tag
Gly -18-expression tag
Ser -17-expression tag
Ser -16-expression tag
His -15-expression tag
His -14-expression tag
His -13-expression tag
His -12-expression tag
His -11-expression tag
His -10-expression tag
Ser -9-expression tag
Ser -8-expression tag
Gly -7-expression tag
Leu -6-expression tag
Val -5-expression tag
Pro -4-expression tag
Arg -3-expression tag
Gly -2-expression tag
Ser -1-expression tag
His 0-expression tag
Leu 244Asp 244engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight78796.7
Non-Polymers*Number of molecules14
Total formula weight1793.5
All*Total formula weight80590.3
*Water molecules are not included.

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PDB entries from 2026-04-08

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