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A4XUX3

- CYSG_PSEMY

UniProt

A4XUX3 - CYSG_PSEMY

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Protein

Siroheme synthase

Gene

cysG

Organism
Pseudomonas mendocina (strain ymp)
Status
Reviewed - Annotation score: 5 out of 5- Protein inferred from homologyi

Functioni

Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD-dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme.UniRule annotation

Catalytic activityi

S-adenosyl-L-methionine + uroporphyrinogen III = S-adenosyl-L-homocysteine + precorrin-1.UniRule annotation
S-adenosyl-L-methionine + precorrin-1 = S-adenosyl-L-homocysteine + precorrin-2.UniRule annotation
Precorrin-2 + NAD+ = sirohydrochlorin + NADH.UniRule annotation
Siroheme + 2 H+ = sirohydrochlorin + Fe2+.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei223 – 2231S-adenosyl-L-methionine; via carbonyl oxygenUniRule annotation
Active sitei246 – 2461Proton acceptorUniRule annotation
Active sitei268 – 2681Proton donorUniRule annotation
Binding sitei304 – 3041S-adenosyl-L-methionine; via carbonyl oxygenUniRule annotation
Binding sitei381 – 3811S-adenosyl-L-methionine; via amide nitrogenUniRule annotation
Binding sitei410 – 4101S-adenosyl-L-methionine; via amide nitrogen and carbonyl oxygenUniRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi22 – 232NADUniRule annotation
Nucleotide bindingi43 – 442NADUniRule annotation

GO - Molecular functioni

  1. NAD binding Source: InterPro
  2. precorrin-2 dehydrogenase activity Source: UniProtKB-HAMAP
  3. sirohydrochlorin ferrochelatase activity Source: UniProtKB-EC
  4. uroporphyrin-III C-methyltransferase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. cobalamin biosynthetic process Source: UniProtKB-HAMAP
  2. siroheme biosynthetic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Lyase, Methyltransferase, Oxidoreductase, Transferase

Keywords - Biological processi

Cobalamin biosynthesis, Porphyrin biosynthesis

Keywords - Ligandi

NAD, S-adenosyl-L-methionine

Enzyme and pathway databases

BioCyciPMEN399739:GHR6-2427-MONOMER.
UniPathwayiUPA00148; UER00211.
UPA00148; UER00222.
UPA00262; UER00211.
UPA00262; UER00222.
UPA00262; UER00376.

Names & Taxonomyi

Protein namesi
Recommended name:
Siroheme synthaseUniRule annotation
Including the following 3 domains:
Uroporphyrinogen-III C-methyltransferaseUniRule annotation (EC:2.1.1.107UniRule annotation)
Short name:
Urogen III methylaseUniRule annotation
Alternative name(s):
SUMTUniRule annotation
Uroporphyrinogen III methylaseUniRule annotation
Short name:
UROMUniRule annotation
Precorrin-2 dehydrogenaseUniRule annotation (EC:1.3.1.76UniRule annotation)
Sirohydrochlorin ferrochelataseUniRule annotation (EC:4.99.1.4UniRule annotation)
Gene namesi
Name:cysGUniRule annotation
Ordered Locus Names:Pmen_2383
OrganismiPseudomonas mendocina (strain ymp)
Taxonomic identifieri399739 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesPseudomonadaceaePseudomonas
ProteomesiUP000000229: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 462462Siroheme synthasePRO_0000330539Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei126 – 1261PhosphoserineUniRule annotation

Keywords - PTMi

Phosphoprotein

Interactioni

Protein-protein interaction databases

STRINGi399739.Pmen_2383.

Structurei

3D structure databases

ProteinModelPortaliA4XUX3.
SMRiA4XUX3. Positions 1-457.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 201201precorrin-2 dehydrogenase / sirohydrochlorin ferrochelataseUniRule annotationAdd
BLAST
Regioni214 – 462249Uroporphyrinogen-III C-methyltransferaseUniRule annotationAdd
BLAST
Regioni299 – 3013S-adenosyl-L-methionine bindingUniRule annotation
Regioni329 – 3302S-adenosyl-L-methionine bindingUniRule annotation

Sequence similaritiesi

In the N-terminal section; belongs to the precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase family.UniRule annotation
In the C-terminal section; belongs to the precorrin methyltransferase family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0007.
HOGENOMiHOG000290518.
KOiK02302.
OMAiLHQQLAW.
OrthoDBiEOG6DRPFR.

Family and domain databases

Gene3Di1.10.8.210. 1 hit.
3.30.950.10. 1 hit.
3.40.1010.10. 1 hit.
3.40.50.720. 1 hit.
HAMAPiMF_01646. Siroheme_synth.
InterProiIPR000878. 4pyrrol_Mease.
IPR014777. 4pyrrole_Mease_sub1.
IPR014776. 4pyrrole_Mease_sub2.
IPR006366. CobA/CysG_C.
IPR016040. NAD(P)-bd_dom.
IPR012409. Sirohaem_synth.
IPR019478. Sirohaem_synthase_dimer_dom.
IPR006367. Sirohaem_synthase_N.
IPR003043. Uropor_MeTrfase_CS.
[Graphical view]
PfamiPF10414. CysG_dimeriser. 1 hit.
PF13241. NAD_binding_7. 1 hit.
PF00590. TP_methylase. 1 hit.
[Graphical view]
PIRSFiPIRSF036426. Sirohaem_synth. 1 hit.
SUPFAMiSSF53790. SSF53790. 1 hit.
TIGRFAMsiTIGR01469. cobA_cysG_Cterm. 1 hit.
TIGR01470. cysG_Nterm. 1 hit.
PROSITEiPS00840. SUMT_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

A4XUX3-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MQFLPLFHKL QGRPVLVIGG GEVALRKARL LSDAGARLRV VAPEIRSELQ
60 70 80 90 100
ELAGADGICL RGYASSDLQG VALVIAATDD EPLNARISAE AQAQGIPVNV
110 120 130 140 150
VDAPALCSVI FPAIVDRSPL IVAVSSGGDA PVLARLIRAK IETWIPATYG
160 170 180 190 200
QLANLGKRFR DRVKQLFPDV QQRRVFWEDV FQGQIAESVF AGKPEEGERL
210 220 230 240 250
LEERLAGAAP RALGEVYLVG AGPGDPDLLT FRALRLMQQA DVVLYDRLVA
260 270 280 290 300
PAIIELCRRD AERIYVGKRR ADHAVPQEQI NQLLIDLARQ GKRVLRLKGG
310 320 330 340 350
DPFIFGRGGE EIEQLAAEDI PFQVVPGITA ASGCAAYAGI PLTHRDHAQS
360 370 380 390 400
VRFVTGHLKD GSSNLPWKDL VAPGQTLVFY MGLVGLYGIC EQLIAHGRSA
410 420 430 440 450
ATPAALVQQG TTQNQRVFTG TLETLPQLVA QHEVHAPTLV IVGEVVTLRD
460
KLAWFEGAQG SL
Length:462
Mass (Da):49,893
Last modified:May 29, 2007 - v1
Checksum:i5301075D68A1D4F6
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000680 Genomic DNA. Translation: ABP85139.1.
RefSeqiYP_001187871.1. NC_009439.1.

Genome annotation databases

EnsemblBacteriaiABP85139; ABP85139; Pmen_2383.
GeneIDi5108223.
KEGGipmy:Pmen_2383.
PATRICi19911299. VBIPseMen131592_2404.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000680 Genomic DNA. Translation: ABP85139.1 .
RefSeqi YP_001187871.1. NC_009439.1.

3D structure databases

ProteinModelPortali A4XUX3.
SMRi A4XUX3. Positions 1-457.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 399739.Pmen_2383.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABP85139 ; ABP85139 ; Pmen_2383 .
GeneIDi 5108223.
KEGGi pmy:Pmen_2383.
PATRICi 19911299. VBIPseMen131592_2404.

Phylogenomic databases

eggNOGi COG0007.
HOGENOMi HOG000290518.
KOi K02302.
OMAi LHQQLAW.
OrthoDBi EOG6DRPFR.

Enzyme and pathway databases

UniPathwayi UPA00148 ; UER00211 .
UPA00148 ; UER00222 .
UPA00262 ; UER00211 .
UPA00262 ; UER00222 .
UPA00262 ; UER00376 .
BioCyci PMEN399739:GHR6-2427-MONOMER.

Family and domain databases

Gene3Di 1.10.8.210. 1 hit.
3.30.950.10. 1 hit.
3.40.1010.10. 1 hit.
3.40.50.720. 1 hit.
HAMAPi MF_01646. Siroheme_synth.
InterProi IPR000878. 4pyrrol_Mease.
IPR014777. 4pyrrole_Mease_sub1.
IPR014776. 4pyrrole_Mease_sub2.
IPR006366. CobA/CysG_C.
IPR016040. NAD(P)-bd_dom.
IPR012409. Sirohaem_synth.
IPR019478. Sirohaem_synthase_dimer_dom.
IPR006367. Sirohaem_synthase_N.
IPR003043. Uropor_MeTrfase_CS.
[Graphical view ]
Pfami PF10414. CysG_dimeriser. 1 hit.
PF13241. NAD_binding_7. 1 hit.
PF00590. TP_methylase. 1 hit.
[Graphical view ]
PIRSFi PIRSF036426. Sirohaem_synth. 1 hit.
SUPFAMi SSF53790. SSF53790. 1 hit.
TIGRFAMsi TIGR01469. cobA_cysG_Cterm. 1 hit.
TIGR01470. cysG_Nterm. 1 hit.
PROSITEi PS00840. SUMT_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ymp.

Entry informationi

Entry nameiCYSG_PSEMY
AccessioniPrimary (citable) accession number: A4XUX3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 29, 2008
Last sequence update: May 29, 2007
Last modified: October 29, 2014
This is version 57 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Multifunctional enzyme, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3