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Protein

Catalase-peroxidase

Gene

katG

Organism
Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity.UniRule annotation

Catalytic activityi

Donor + H2O2 = oxidized donor + 2 H2O.UniRule annotation
2 H2O2 = O2 + 2 H2O.UniRule annotation

Cofactori

heme bUniRule annotationNote: Binds 1 heme b (iron(II)-protoporphyrin IX) group per dimer.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sitei93Transition state stabilizerUniRule annotation1
Active sitei97Proton acceptorUniRule annotation1
Metal bindingi260Iron (heme axial ligand)UniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase, Peroxidase
Biological processHydrogen peroxide
LigandHeme, Iron, Metal-binding

Enzyme and pathway databases

BioCyciMHUN323259:G1G5Z-2574-MONOMER.

Protein family/group databases

PeroxiBasei2516. MhCP01.

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 annotation
Ordered Locus Names:Mhun_2433
OrganismiMethanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1)
Taxonomic identifieri323259 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanomicrobiaMethanomicrobialesMethanospirillaceaeMethanospirillum
Proteomesi
  • UP000001941 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00003549691 – 732Catalase-peroxidaseAdd BLAST732

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Cross-linki96 ↔ 219Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with M-245)UniRule annotation
Cross-linki219 ↔ 245Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-96)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

Proteomic databases

PRIDEiQ2FSF4.

Interactioni

Subunit structurei

Homodimer or homotetramer.UniRule annotation

Protein-protein interaction databases

STRINGi323259.Mhun_2433.

Structurei

3D structure databases

SMRiQ2FSF4.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peroxidase family. Peroxidase/catalase subfamily.UniRule annotation

Phylogenomic databases

eggNOGiarCOG04487. Archaea.
COG0376. LUCA.
HOGENOMiHOG000218110.
KOiK03782.
OrthoDBiPOG093Z00GV.

Family and domain databases

HAMAPiMF_01961. Catal_peroxid. 1 hit.
InterProiView protein in InterPro
IPR000763. Catalase_peroxidase.
IPR010255. Haem_peroxidase.
IPR002016. Haem_peroxidase_pln/fun/bac.
IPR019794. Peroxidases_AS.
IPR019793. Peroxidases_heam-ligand_BS.
PANTHERiPTHR30555. PTHR30555. 1 hit.
PfamiView protein in Pfam
PF00141. peroxidase. 2 hits.
PRINTSiPR00460. BPEROXIDASE.
PR00458. PEROXIDASE.
SUPFAMiSSF48113. SSF48113. 2 hits.
TIGRFAMsiTIGR00198. cat_per_HPI. 1 hit.
PROSITEiView protein in PROSITE
PS00435. PEROXIDASE_1. 1 hit.
PS00436. PEROXIDASE_2. 1 hit.
PS50873. PEROXIDASE_4. 1 hit.

Sequencei

Sequence statusi: Complete.

Q2FSF4-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MADNKKSPET GGITMQIPGK GRTNRDWWPD QLNLKILSQN SPLSNPLGQK
60 70 80 90 100
FNYRVEFSKL DLAAVKQDLR DLMTSSQDWW PADFGHYGPL FIRMAWHSAG
110 120 130 140 150
TYRTFDGRGG ASGGEQRFPP LNSWPDNVNL DKARRLLWPI KQKYGQKISW
160 170 180 190 200
ADLMILAGNV ALESMGFKTF GFGGGREDVW EPQEDTYWGS EDTWLGDKRY
210 220 230 240 250
SGDRELEKPL AAVQMGLIYV NPEGPDGNPD PVAAARDIRE VFARMAMNDE
260 270 280 290 300
ETVALIAGGH AFGKTHGAGP ASHLGPEPEA AGIEEQGLGW KNSFGTGKGN
310 320 330 340 350
DTITSGIEIT WTPTPTKWSN NFFRVLFSYE WELTKSPAGA YQWKPKGEAG
360 370 380 390 400
AGTVPDPHDP KKRHAPGMLT TDLALRFDPI YEKISRRFYE NPELFADAFA
410 420 430 440 450
RAWFKLTHRD MGPKTRYLGP EVPDEDLIWQ DPIPAINHPL IDDQDIALLK
460 470 480 490 500
SRILASGLSI SRLVYTAWAA ASTFRGSDKR GGANGARIRL DPQKNWEVNE
510 520 530 540 550
PEELANVLKI LEGIQHEFNQ NAPGGKRVSL ADLIVLGGCA GIEQAAKNAG
560 570 580 590 600
YSVTVPFTPG RMDAVQEQTD AASFAVLEPM ADGFRNYAKR HLPMKPEAML
610 620 630 640 650
IDKAQLLMLT APEMTVLIGG MRVLNTNFGQ TKHGVFTDKP ETLTNDYFVH
660 670 680 690 700
LLDMGTEWTP VSETEDLYEG RDRRTGEIRW TGTRVDLIFG SNSQLRALAE
710 720 730
VYACSDGKDK FIQDFVAAWA KVMNLDRFDR IQ
Length:732
Mass (Da):81,574
Last modified:November 25, 2008 - v2
Checksum:i38D461A2F30AC8CE
GO

Sequence cautioni

The sequence ABD42134 differs from that shown. Reason: Erroneous initiation.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000254 Genomic DNA. Translation: ABD42134.1. Different initiation.
RefSeqiWP_048067526.1. NC_007796.1.

Genome annotation databases

EnsemblBacteriaiABD42134; ABD42134; Mhun_2433.
GeneIDi3922420.
KEGGimhu:Mhun_2433.

Similar proteinsi

Entry informationi

Entry nameiKATG_METHJ
AccessioniPrimary (citable) accession number: Q2FSF4
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 25, 2008
Last sequence update: November 25, 2008
Last modified: February 28, 2018
This is version 68 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome