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5SX6

Crystal structure of the catalase-peroxidase KatG of B. pseudomallei at pH 6.5

Replaces:  2FXH
Functional Information from GO Data
ChainGOidnamespacecontents
A0004096molecular_functioncatalase activity
A0004601molecular_functionperoxidase activity
A0005829cellular_componentcytosol
A0006979biological_processresponse to oxidative stress
A0016491molecular_functionoxidoreductase activity
A0020037molecular_functionheme binding
A0042744biological_processhydrogen peroxide catabolic process
A0046872molecular_functionmetal ion binding
A0070301biological_processcellular response to hydrogen peroxide
A0098869biological_processcellular oxidant detoxification
B0004096molecular_functioncatalase activity
B0004601molecular_functionperoxidase activity
B0005829cellular_componentcytosol
B0006979biological_processresponse to oxidative stress
B0016491molecular_functionoxidoreductase activity
B0020037molecular_functionheme binding
B0042744biological_processhydrogen peroxide catabolic process
B0046872molecular_functionmetal ion binding
B0070301biological_processcellular response to hydrogen peroxide
B0098869biological_processcellular oxidant detoxification
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue HEM A 801
ChainResidue
AGLY104
ALYS283
ATHR284
AHIS285
ATHR323
ASER324
ATHR388
ATRP420
AOXY803
AHOH940
AHOH1012
ALEU105
AHOH1068
AILE107
ATOX111
ALEU274
AILE275
AGLY278
AHIS279
AGLY282

site_idAC2
Number of Residues6
Detailsbinding site for residue NA A 802
ChainResidue
AGLY122
AARG123
AGLY124
ASER494
AHOH953
AHOH1120

site_idAC3
Number of Residues7
Detailsbinding site for residue OXY A 803
ChainResidue
AARG108
ATOX111
AHIS112
AASP141
AHEM801
AHOH905
AHOH925

site_idAC4
Number of Residues3
Detailsbinding site for residue MPD A 804
ChainResidue
ALEU209
ATHR323
AHOH1148

site_idAC5
Number of Residues4
Detailsbinding site for residue MPD A 805
ChainResidue
AASP83
APRO154
AHOH1277
AHOH1424

site_idAC6
Number of Residues10
Detailsbinding site for residue TRS A 806
ChainResidue
AALA120
AASP121
AARG492
AVAL593
ALEU594
AGLU595
ALYS620
AHOH916
AHOH1082
AHOH1128

site_idAC7
Number of Residues11
Detailsbinding site for residue TRS A 807
ChainResidue
AASP60
APRO61
AMET62
AGLY63
AHOH919
AHOH1169
AHOH1367
BPRO629
BLYS727
BASP731
BHOH929

site_idAC8
Number of Residues20
Detailsbinding site for residue HEM B 801
ChainResidue
BGLY104
BLEU105
BTOX111
BVAL239
BLEU274
BGLY278
BHIS279
BGLY282
BLYS283
BTHR284
BHIS285
BTHR323
BSER324
BTRP330
BTHR388
BTRP420
BOXY803
BHOH966
BHOH1008
BHOH1116

site_idAC9
Number of Residues6
Detailsbinding site for residue NA B 802
ChainResidue
BGLY122
BARG123
BGLY124
BSER494
BHOH1064
BHOH1066

site_idAD1
Number of Residues6
Detailsbinding site for residue OXY B 803
ChainResidue
BARG108
BTOX111
BHIS112
BASP141
BHEM801
BHOH908

site_idAD2
Number of Residues4
Detailsbinding site for residue MPD B 804
ChainResidue
BVAL293
BTHR323
BSER324
BHOH1447

site_idAD3
Number of Residues9
Detailsbinding site for residue MPD B 805
ChainResidue
BGLY567
BHIS568
BALA569
BGLU726
BHOH1171
BHOH1327
BHOH1611
BPRO250
BPHE394

site_idAD4
Number of Residues10
Detailsbinding site for residue TRS B 806
ChainResidue
APRO629
ALYS727
AASP731
AHOH943
AHOH952
BASP60
BPRO61
BMET62
BGLY63
BHOH939

site_idAD5
Number of Residues11
Detailsbinding site for residue TRS B 807
ChainResidue
BALA120
BASP121
BARG492
BVAL593
BLEU594
BLYS620
BLEU623
BHOH937
BHOH1025
BHOH1059
BHOH1197

Functional Information from PROSITE/UniProt
site_idPS00435
Number of Residues11
DetailsPEROXIDASE_1 Peroxidases proximal heme-ligand signature. TVALIAGGHTF
ChainResidueDetails
ATHR271-PHE281

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_01961","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"HAMAP-Rule","id":"MF_01961","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"HAMAP-Rule","id":"MF_01961","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsCross-link: {"description":"Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-91)","evidences":[{"source":"HAMAP-Rule","id":"MF_01961","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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