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2H31

Crystal structure of human PAICS, a bifunctional carboxylase and synthetase in purine biosynthesis

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1AMultifunctional protein ADE2polymer42547463.41UniProt (P22234)
Pfam (PF01259)
Pfam (PF00731)
In PDB
Homo sapiens (human)Phosphoribosylaminoimidazole-succinocarboxamide synthase, Phosphoribosylaminoimidazole carboxylase
2ACARBON DIOXIDEnon-polymer44.01Chemie (CO2)
3waterwater18.023Chemie (HOH)
Sequence modifications
A: 2 - 425 (UniProt: P22234)
PDBExternal DatabaseDetails
Mse 1-INITIATING METHIONINE
Mse 93Met 92MODIFIED RESIDUE
Mse 165Met 164MODIFIED RESIDUE
Mse 190Met 189MODIFIED RESIDUE
Mse 244Met 243MODIFIED RESIDUE
Mse 272Met 271MODIFIED RESIDUE
Mse 339Met 338MODIFIED RESIDUE
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight47463.4
Non-Polymers*Number of molecules1
Total formula weight44.0
All*Total formula weight47507.4
*Water molecules are not included.

221051

PDB entries from 2024-06-12

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