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5I5W

X-RAY CRYSTAL STRUCTURE AT 2.40A RESOLUTION OF HUMAN MITOCHONDRIAL BRANCHED CHAIN AMINOTRANSFERASE (BCATM) COMPLEXED WITH A BIARYL AMIDE COMPOUND AND AN INTERNAL ALDIMINE LINKED PLP COFACTOR.

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004084molecular_functionbranched-chain-amino-acid transaminase activity
A0005515molecular_functionprotein binding
A0005739cellular_componentmitochondrion
A0005759cellular_componentmitochondrial matrix
A0006629biological_processlipid metabolic process
A0008483molecular_functiontransaminase activity
A0008652biological_processamino acid biosynthetic process
A0009081biological_processbranched-chain amino acid metabolic process
A0009082biological_processbranched-chain amino acid biosynthetic process
A0009083biological_processbranched-chain amino acid catabolic process
A0009098biological_processL-leucine biosynthetic process
A0009099biological_processL-valine biosynthetic process
A0016740molecular_functiontransferase activity
A0050873biological_processbrown fat cell differentiation
A0052654molecular_functionL-leucine-2-oxoglutarate transaminase activity
A0052655molecular_functionL-valine-2-oxoglutarate transaminase activity
A0052656molecular_functionL-isoleucine-2-oxoglutarate transaminase activity
A0097009biological_processenergy homeostasis
B0003824molecular_functioncatalytic activity
B0004084molecular_functionbranched-chain-amino-acid transaminase activity
B0005515molecular_functionprotein binding
B0005739cellular_componentmitochondrion
B0005759cellular_componentmitochondrial matrix
B0006629biological_processlipid metabolic process
B0008483molecular_functiontransaminase activity
B0008652biological_processamino acid biosynthetic process
B0009081biological_processbranched-chain amino acid metabolic process
B0009082biological_processbranched-chain amino acid biosynthetic process
B0009083biological_processbranched-chain amino acid catabolic process
B0009098biological_processL-leucine biosynthetic process
B0009099biological_processL-valine biosynthetic process
B0016740molecular_functiontransferase activity
B0050873biological_processbrown fat cell differentiation
B0052654molecular_functionL-leucine-2-oxoglutarate transaminase activity
B0052655molecular_functionL-valine-2-oxoglutarate transaminase activity
B0052656molecular_functionL-isoleucine-2-oxoglutarate transaminase activity
B0097009biological_processenergy homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue 68B A 401
ChainResidue
APHE30
AALA314
AHOH572
BTYR70
BVAL155

site_idAC2
Number of Residues16
Detailsbinding site for residue PLP A 402
ChainResidue
AGLU237
ATHR240
AASN242
ALEU266
AGLY268
AVAL269
AVAL270
AGLY312
ATHR313
AHOH564
AHOH594
AHOH595
AARG99
AARG192
ALYS202
ATYR207

site_idAC3
Number of Residues2
Detailsbinding site for residue CL A 403
ChainResidue
AVAL155
B68B401

site_idAC4
Number of Residues3
Detailsbinding site for residue EDO A 405
ChainResidue
ATYR246
AARG344
AHOH610

site_idAC5
Number of Residues3
Detailsbinding site for residue EDO A 406
ChainResidue
AGLU42
ALEU59
ATHR60

site_idAC6
Number of Residues3
Detailsbinding site for residue EDO A 407
ChainResidue
ALEU261
AHOH557
BEDO408

site_idAC7
Number of Residues1
Detailsbinding site for residue EDO A 408
ChainResidue
AGLN272

site_idAC8
Number of Residues4
Detailsbinding site for residue EDO A 409
ChainResidue
AHIS359
AGLU360
AHOH512
AHOH584

site_idAC9
Number of Residues7
Detailsbinding site for residue 68B B 401
ChainResidue
ATYR70
AVAL155
ACL403
BPHE30
BTYR141
BALA314
BHOH563

site_idAD1
Number of Residues1
Detailsbinding site for residue CL B 403
ChainResidue
BVAL155

site_idAD2
Number of Residues5
Detailsbinding site for residue EDO B 405
ChainResidue
BTHR280
BGLU348
BHIS359
BTRP361
BHOH511

site_idAD3
Number of Residues4
Detailsbinding site for residue EDO B 406
ChainResidue
BTYR246
BARG306
BGLU340
BARG344

site_idAD4
Number of Residues4
Detailsbinding site for residue EDO B 407
ChainResidue
BGLU42
BTHR60
BLEU162
BHOH584

site_idAD5
Number of Residues3
Detailsbinding site for residue EDO B 408
ChainResidue
AEDO407
BHIS359
BGLU360

site_idAD6
Number of Residues3
Detailsbinding site for residue GOL B 409
ChainResidue
BGLY282
BPHE284
BHOH591

site_idAD7
Number of Residues19
Detailsbinding site for Di-peptide PLP B 402 and LYS B 202
ChainResidue
BLEU74
BPHE75
BARG99
BSER103
BARG192
BTYR201
BLEU203
BTYR207
BGLU237
BTHR240
BASN242
BGLY268
BVAL269
BVAL270
BGLY312
BTHR313
BHOH556
BHOH559
BHOH592

Functional Information from PROSITE/UniProt
site_idPS00770
Number of Residues35
DetailsAA_TRANSFER_CLASS_4 Aminotransferases class-IV signature. EvGtmNIFvywthedgvle.LvTpplngvi.LpGVvR
ChainResidueDetails
AGLU237-ARG271

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12269802","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16141215","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17050531","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"source":"PubMed","id":"16141215","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17050531","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2A1H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HDK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HG8","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HGW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HGX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HHF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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