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4CXQ

Mycobaterium tuberculosis transaminase BioA complexed with substrate KAPA

Replaces:  4MQN
Functional Information from GO Data
ChainGOidnamespacecontents
A0004015molecular_functionadenosylmethionine-8-amino-7-oxononanoate transaminase activity
A0005737cellular_componentcytoplasm
A0008483molecular_functiontransaminase activity
A0009102biological_processbiotin biosynthetic process
A0016740molecular_functiontransferase activity
A0030170molecular_functionpyridoxal phosphate binding
B0004015molecular_functionadenosylmethionine-8-amino-7-oxononanoate transaminase activity
B0005737cellular_componentcytoplasm
B0008483molecular_functiontransaminase activity
B0009102biological_processbiotin biosynthetic process
B0016740molecular_functiontransferase activity
B0030170molecular_functionpyridoxal phosphate binding
Functional Information from PDB Data
site_idAC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE PLP A 501
ChainResidue
ATRP65
AALA257
ALYS283
AKAP502
AHOH2104
AHOH2105
AHOH2107
AHOH2196
BGLY316
BPRO317
BTHR318
AGLY124
ASER125
ATYR157
AHIS158
AGLY159
AGLU220
AASP254
AILE256

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE KAP A 502
ChainResidue
ATYR25
ATRP64
ATYR157
AALA226
ALYS283
AARG400
APLP501
AHOH2032
AHOH2291
AHOH2305
BGLY316
BTHR318

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PEG A 503
ChainResidue
AARG193
AHIS232
APRO234
AHOH2306

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 504
ChainResidue
AVAL181
AHOH2307
AHOH2308

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 505
ChainResidue
ASER34
APRO35
AVAL36
AHOH2016

site_idAC6
Number of Residues18
DetailsBINDING SITE FOR RESIDUE PLP B 501
ChainResidue
APRO317
ATHR318
AHOH2103
AHOH2232
BTRP65
BGLY124
BSER125
BTYR157
BHIS158
BGLY159
BGLU220
BASP254
BILE256
BALA257
BLYS283
BKAP502
BHOH2070
BHOH2138

site_idAC7
Number of Residues10
DetailsBINDING SITE FOR RESIDUE KAP B 502
ChainResidue
AGLY316
ATHR318
BTYR25
BTRP64
BTYR157
BALA226
BLYS283
BARG400
BPLP501
BHOH2028

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PEG B 503
ChainResidue
BVAL222
BHIS232
BHOH2216
BHOH2217

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO B 504
ChainResidue
AHOH2137
AHOH2308
BVAL181
BHOH2218

Functional Information from PROSITE/UniProt
site_idPS00600
Number of Residues38
DetailsAA_TRANSFER_CLASS_3 Aminotransferases class-III pyridoxal-phosphate attachment site. LIfDEIat.GFgRtGalfaadhagvsp....DIMcvGKaltGG
ChainResidueDetails
ALEU251-GLY288

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20565114","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00834","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20565114","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Participates in the substrate recognition with KAPA and in a stacking interaction with the adenine ring of SAM","evidences":[{"source":"PubMed","id":"20565114","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"source":"PubMed","id":"20565114","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3BV0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3LV2","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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