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2C81

Crystal structures of the PLP- and PMP-bound forms of BtrR, a dual functional aminotransferase involved in butirosin biosynthesis.

Functional Information from GO Data
ChainGOidnamespacecontents
A0000271biological_processpolysaccharide biosynthetic process
A0003824molecular_functioncatalytic activity
A0008483molecular_functiontransaminase activity
A0016740molecular_functiontransferase activity
A0017000biological_processantibiotic biosynthetic process
A0030170molecular_functionpyridoxal phosphate binding
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE PMP A1416
ChainResidue
ASER65
ASER187
AGLN189
ALYS192
AGLY199
AASN247
AHOH2211
AHOH2394
AHOH2395
AGLY66
ASER67
ATHR91
ATRP92
ATHR95
AASP163
AALA165
AGLN166

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsMOD_RES: N6-(pyridoxal phosphate)lysine => ECO:0000250
ChainResidueDetails
ALYS192

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1b9h
ChainResidueDetails
ATRP92
AASP163

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1b9h
ChainResidueDetails
ATHR38

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1b9h
ChainResidueDetails
ALYS192
ATRP92
AASP163

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1b9h
ChainResidueDetails
ATRP37

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PDB entries from 2025-06-18

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