UniProtKB - Q4TUX6 (Q4TUX6_MYCTX)
Protein
Catalase-peroxidase
Gene
katG
Organism
Mycobacterium tuberculosis
Status
Functioni
Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity.UniRule annotation
Caution
Lacks conserved residue(s) required for the propagation of feature annotation.UniRule annotation
Catalytic activityi
Cofactori
heme bUniRule annotationNote: Binds 1 heme b (iron(II)-protoporphyrin IX) group per dimer.UniRule annotation
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sitei | 104 | Transition state stabilizerUniRule annotation | 1 | |
Active sitei | 108 | Proton acceptorUniRule annotation | 1 | |
Metal bindingi | 270 | Iron (heme axial ligand)UniRule annotation | 1 |
GO - Molecular functioni
- catalase activity Source: UniProtKB-UniRule
- heme binding Source: InterPro
- metal ion binding Source: UniProtKB-KW
GO - Biological processi
- hydrogen peroxide catabolic process Source: UniProtKB-KW
- response to oxidative stress Source: InterPro
Keywordsi
Molecular function | Oxidoreductase, Peroxidase |
Biological process | Hydrogen peroxideUniRule annotationARBA annotation |
Ligand | HemeUniRule annotationARBA annotation, Iron, Metal-binding |
Protein family/group databases
PeroxiBasei | 3685, MtuCP01_CNFD04001 |
Names & Taxonomyi
Protein namesi | Recommended name: Catalase-peroxidaseUniRule annotation (EC:1.11.1.21UniRule annotation)Short name: CPUniRule annotation Alternative name(s): Peroxidase/catalaseUniRule annotation |
Gene namesi | Name:katGUniRule annotationImported ORF Names:E5M52_09435Imported, E5M78_09130Imported, ERS007741_00884Imported, ERS023446_03145Imported |
Organismi | Mycobacterium tuberculosisImported |
Taxonomic identifieri | 1773 [NCBI] |
Taxonomic lineagei | Bacteria › Actinobacteria › Corynebacteriales › Mycobacteriaceae › Mycobacterium › Mycobacterium tuberculosis complex |
Proteomesi |
|
PTM / Processingi
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Cross-linki | 229 ↔ 255 | Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with Trp-107)UniRule annotation |
Post-translational modificationi
Formation of the three residue Trp-Tyr-Met cross-link is important for the catalase, but not the peroxidase activity of the enzyme.UniRule annotation
Interactioni
Subunit structurei
Homodimer or homotetramer.
UniRule annotationFamily & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 141 – 415 | PEROXIDASE_4InterPro annotationAdd BLAST | 275 |
Sequence similaritiesi
Family and domain databases
HAMAPi | MF_01961, Catal_peroxid, 1 hit |
InterProi | View protein in InterPro IPR000763, Catalase_peroxidase IPR002016, Haem_peroxidase IPR010255, Haem_peroxidase_sf IPR019794, Peroxidases_AS IPR019793, Peroxidases_heam-ligand_BS |
PANTHERi | PTHR30555, PTHR30555, 1 hit |
Pfami | View protein in Pfam PF00141, peroxidase, 2 hits |
PRINTSi | PR00460, BPEROXIDASE PR00458, PEROXIDASE |
SUPFAMi | SSF48113, SSF48113, 2 hits |
TIGRFAMsi | TIGR00198, cat_per_HPI, 1 hit |
PROSITEi | View protein in PROSITE PS00435, PEROXIDASE_1, 1 hit PS00436, PEROXIDASE_2, 1 hit PS50873, PEROXIDASE_4, 1 hit |
i Sequence
Sequence statusi: Complete.
Q4TUX6-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MPEQHPPITE TTTGAASNGC PVVGHMKYPV EGGGNQDWWP NRLNLKVLHQ
60 70 80 90 100
NPAVADPMGA AFDYAAEVAT IDVDALTRDI EEVMTTSQPW WPADYGHYGP
110 120 130 140 150
LFIRMAWHAA GTYRIHDGRG GAGGGMQRFA PLNSWPDNAS LDKARRLLWP
160 170 180 190 200
VKKKYGKKLS WADLIVFAGN CALESMGFKT FGFGFGRVDQ WEPDEVYWGK
210 220 230 240 250
EATWLGDERY SGKRDLENPL AAVQMGLIYV NPEGPNGNPD PMAAAVDIRE
260 270 280 290 300
TFRRMAMNDV ETAALIVGGH TFGKTHGAGP ADLVGPEPEA APLEQMGLGW
310 320 330 340 350
KSSYGTGTGK DAITTGIEVV WTNTPTKWDN SFLEILYGYE WELTKSPAGA
360 370 380 390 400
WQYTAKDGAG AGTIPDPFGG PGRSPTMLAT DLSLRVDPIY ERITRRWLEH
410 420 430 440 450
PEELADEFAK AWYKLIHRDM GPVARYLGPL VPKQTLLWQD PVPAVSHDLV
460 470 480 490 500
GEAEIASLKS QILASGLTVS QLVSTAWAAA SSFRGSDKRG GANGGRIRLQ
510 520 530 540 550
PQVGWEVNDP DGDLRKVIRT LEEIQESFNS AAPGNIKVSF ADLVVLGGCA
560 570 580 590 600
AIEKAAKAAG HNITVPFTPG RTDASQEQTD VESFAVLEPK ADGFRNYLGK
610 620 630 640 650
GNPLPAEYML LDKANLLTLS APEMTVLVGG LRVLGANYKR LPLGVFTEAS
660 670 680 690 700
ESLTNDFFVN LLDMGITWEP SPADDGTYQG KDGSGKVKWT GSRVDLVFGS
710 720 730 740
NSELRALVEV YGADDAQPKF VQDFVAAWDK VMNLDRFDVR
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | DQ056353 Genomic DNA Translation: AAY54550.1 JX303257 Genomic DNA Translation: AFR90346.1 JX303259 Genomic DNA Translation: AFR90348.1 JX303266 Genomic DNA Translation: AFR90355.1 JX303269 Genomic DNA Translation: AFR90358.1 JX303274 Genomic DNA Translation: AFR90363.1 KC692357 Genomic DNA Translation: AGJ50651.1 KC692358 Genomic DNA Translation: AGJ50652.1 CQGE01000087 Genomic DNA Translation: CNN36799.1 CHKL01000062 Genomic DNA Translation: COV88871.1 SRLJ01000017 Genomic DNA Translation: TGD76892.1 SRLK01000016 Genomic DNA Translation: TGD92223.1 |
RefSeqi | WP_003910876.1, NZ_VOVY01000008.1 |
Genome annotation databases
EnsemblBacteriai | CNN36799; CNN36799; ERS023446_03145 COV88871; COV88871; ERS007741_00884 |
PATRICi | fig|1773.2359.peg.1367 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | DQ056353 Genomic DNA Translation: AAY54550.1 JX303257 Genomic DNA Translation: AFR90346.1 JX303259 Genomic DNA Translation: AFR90348.1 JX303266 Genomic DNA Translation: AFR90355.1 JX303269 Genomic DNA Translation: AFR90358.1 JX303274 Genomic DNA Translation: AFR90363.1 KC692357 Genomic DNA Translation: AGJ50651.1 KC692358 Genomic DNA Translation: AGJ50652.1 CQGE01000087 Genomic DNA Translation: CNN36799.1 CHKL01000062 Genomic DNA Translation: COV88871.1 SRLJ01000017 Genomic DNA Translation: TGD76892.1 SRLK01000016 Genomic DNA Translation: TGD92223.1 |
RefSeqi | WP_003910876.1, NZ_VOVY01000008.1 |
3D structure databases
ModBasei | Search... |
SWISS-MODEL-Workspacei | Submit a new modelling project... |
Protein family/group databases
PeroxiBasei | 3685, MtuCP01_CNFD04001 |
Genome annotation databases
EnsemblBacteriai | CNN36799; CNN36799; ERS023446_03145 COV88871; COV88871; ERS007741_00884 |
PATRICi | fig|1773.2359.peg.1367 |
Family and domain databases
HAMAPi | MF_01961, Catal_peroxid, 1 hit |
InterProi | View protein in InterPro IPR000763, Catalase_peroxidase IPR002016, Haem_peroxidase IPR010255, Haem_peroxidase_sf IPR019794, Peroxidases_AS IPR019793, Peroxidases_heam-ligand_BS |
PANTHERi | PTHR30555, PTHR30555, 1 hit |
Pfami | View protein in Pfam PF00141, peroxidase, 2 hits |
PRINTSi | PR00460, BPEROXIDASE PR00458, PEROXIDASE |
SUPFAMi | SSF48113, SSF48113, 2 hits |
TIGRFAMsi | TIGR00198, cat_per_HPI, 1 hit |
PROSITEi | View protein in PROSITE PS00435, PEROXIDASE_1, 1 hit PS00436, PEROXIDASE_2, 1 hit PS50873, PEROXIDASE_4, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | Q4TUX6_MYCTX | |
Accessioni | Q4TUX6Primary (citable) accession number: Q4TUX6 | |
Entry historyi | Integrated into UniProtKB/TrEMBL: | July 19, 2005 |
Last sequence update: | July 19, 2005 | |
Last modified: | February 10, 2021 | |
This is version 118 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Unreviewed (UniProtKB/TrEMBL) |