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5BWU

X-RAY CRYSTAL STRUCTURE AT 2.17A RESOLUTION OF HUMAN MITOCHONDRIAL BRANCHED CHAIN AMINOTRANSFERASE (BCATM) COMPLEXED WITH A TRIAZOLOPYRIMIDINONE 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 Residues14
Detailsbinding site for residue PLP A 401
ChainResidue
AARG99
AGLY312
ATHR313
AHOH544
AHOH573
AHOH663
AARG192
ALYS202
ATYR207
AGLU237
ATHR240
AGLY268
AVAL269
AVAL270

site_idAC2
Number of Residues18
Detailsbinding site for residue 4VR A 402
ChainResidue
ATYR141
AARG143
AVAL182
AGLN224
AVAL238
ATHR240
AMET241
AALA314
ACYS315
ACYS318
AVAL320
AEDO403
AHOH593
AHOH665
AHOH701
AHOH707
BLEU153
BVAL155

site_idAC3
Number of Residues5
Detailsbinding site for residue EDO A 403
ChainResidue
APHE30
AALA314
ACYS315
A4VR402
AHOH821

site_idAC4
Number of Residues4
Detailsbinding site for residue EDO A 404
ChainResidue
AASP276
ATHR280
AGLU348
AHIS359

site_idAC5
Number of Residues5
Detailsbinding site for residue EDO A 405
ChainResidue
ALEU261
AASN262
AGLY263
AEDO411
AHOH597

site_idAC6
Number of Residues4
Detailsbinding site for residue EDO A 406
ChainResidue
ATYR246
ALEU341
AARG344
AHOH529

site_idAC7
Number of Residues6
Detailsbinding site for residue EDO A 407
ChainResidue
AGLU42
ALEU59
ATHR60
AHOH509
AHOH554
AHOH691

site_idAC8
Number of Residues2
Detailsbinding site for residue EDO A 408
ChainResidue
ATRP94
AHOH576

site_idAC9
Number of Residues6
Detailsbinding site for residue EDO A 409
ChainResidue
AARG106
AGLY196
AHOH588
BILE191
BPRO209
BHOH628

site_idAD1
Number of Residues4
Detailsbinding site for residue EDO A 410
ChainResidue
ALEU261
AASN262
AHOH526
BHIS359

site_idAD2
Number of Residues5
Detailsbinding site for residue EDO A 411
ChainResidue
AASN200
ALEU261
AGLY263
AEDO405
AHOH512

site_idAD3
Number of Residues16
Detailsbinding site for residue 4VR B 402
ChainResidue
AVAL155
BTYR141
BARG143
BVAL182
BGLN224
BVAL238
BTHR240
BMET241
BALA314
BCYS315
BCYS318
BEDO403
BHOH581
BHOH585
BHOH646
BHOH687

site_idAD4
Number of Residues4
Detailsbinding site for residue EDO B 403
ChainResidue
BPHE30
BTYR173
BCYS315
B4VR402

site_idAD5
Number of Residues5
Detailsbinding site for residue EDO B 404
ChainResidue
BASP276
BTHR280
BGLU348
BHIS359
BTRP361

site_idAD6
Number of Residues5
Detailsbinding site for residue EDO B 405
ChainResidue
BARG306
BGLU340
BARG344
BHOH527
BTYR246

site_idAD7
Number of Residues5
Detailsbinding site for residue EDO B 406
ChainResidue
BMET40
BGLU42
BLEU59
BTHR60
BHOH657

site_idAD8
Number of Residues5
Detailsbinding site for residue EDO B 407
ChainResidue
BASN200
BLEU261
BHOH509
BHOH514
BHOH606

site_idAD9
Number of Residues20
Detailsbinding site for Di-peptide PLP B 401 and LYS B 202
ChainResidue
BLEU74
BPHE75
BARG99
BSER103
BARG192
BTYR201
BLEU203
BTYR207
BGLU237
BTHR240
BASN242
BLEU266
BGLY268
BVAL269
BVAL270
BGLY312
BTHR313
BHOH524
BHOH537
BHOH610

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

246704

PDB entries from 2025-12-24

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