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3B8U

Crystal structure of Escherichia coli alaine racemase mutant E221A

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, DAlanine racemasepolymer37941358.24UniProt (P0A6B4)
Pfam (PF01168)
Pfam (PF00842)
In PDB
Escherichia coli
2A, B, C, DSULFATE IONnon-polymer96.112Chemie (SO4)
3A, B, C, DPYRIDOXAL-5'-PHOSPHATEnon-polymer247.14Chemie (PLP)
4waterwater18.0354Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 359 (UniProt: P0A6B4)
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
Ala 221Glu 221engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight165432.8
Non-Polymers*Number of molecules16
Total formula weight2141.3
All*Total formula weight167574.1
*Water molecules are not included.

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PDB entries from 2024-03-27

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