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Q0VQ05

- CYSG_ALCBS

UniProt

Q0VQ05 - CYSG_ALCBS

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Protein

Siroheme synthase

Gene
cysG, ABO_1295
Organism
Alcanivorax borkumensis (strain SK2 / ATCC 700651 / DSM 11573)
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 By similarity.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 sitei227 – 2271S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Active sitei250 – 2501Proton acceptor By similarity
Active sitei272 – 2721Proton donor By similarity
Binding sitei308 – 3081S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Binding sitei385 – 3851S-adenosyl-L-methionine; via amide nitrogen By similarity
Binding sitei414 – 4141S-adenosyl-L-methionine; via amide nitrogen and carbonyl oxygen By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi22 – 232NAD By similarity
Nucleotide bindingi43 – 442NAD By similarity

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

BioCyciABOR393595:GHRI-1326-MONOMER.
UniPathwayiUPA00148; UER00211.
UPA00148; UER00222.
UPA00262; UER00211.
UPA00262; UER00222.
UPA00262; UER00376.

Names & Taxonomyi

Protein namesi
Recommended name:
Siroheme synthase
Including the following 3 domains:
Uroporphyrinogen-III C-methyltransferase (EC:2.1.1.107)
Short name:
Urogen III methylase
Alternative name(s):
SUMT
Uroporphyrinogen III methylase
Short name:
UROM
Precorrin-2 dehydrogenase (EC:1.3.1.76)
Sirohydrochlorin ferrochelatase (EC:4.99.1.4)
Gene namesi
Name:cysG
Ordered Locus Names:ABO_1295
OrganismiAlcanivorax borkumensis (strain SK2 / ATCC 700651 / DSM 11573)
Taxonomic identifieri393595 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaOceanospirillalesAlcanivoracaceaeAlcanivorax
ProteomesiUP000008871: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 461461Siroheme synthaseUniRule annotationPRO_0000330491Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei128 – 1281Phosphoserine By similarity

Keywords - PTMi

Phosphoprotein

Interactioni

Protein-protein interaction databases

STRINGi393595.ABO_1295.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 203203precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase By similarityAdd
BLAST
Regioni218 – 461244Uroporphyrinogen-III C-methyltransferase By similarityAdd
BLAST
Regioni303 – 3053S-adenosyl-L-methionine binding By similarity
Regioni333 – 3342S-adenosyl-L-methionine binding By similarity

Sequence similaritiesi

In the C-terminal section; belongs to the precorrin methyltransferase family.

Phylogenomic databases

eggNOGiCOG0007.
HOGENOMiHOG000290518.
KOiK02302.
OMAiQASFIMP.
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.

Q0VQ05-1 [UniParc]FASTAAdd to Basket

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MEFLPISWRL QGKVALLAGG GEVALRKGRL LHRSGAILTV VAPQVCDELL    50
DIVVRSGGSC VVRAFESADL DGVALVICAT DDRSTNAEIA KQAQQRGLPV 100
NVVDDPSLGD FIFPAIVDRS PVLISISSSG ASPVLARKLR AQLESTLPAR 150
WGRLADLMAR FRQPLKDKLS NIGARRLFWE QTLDSPVVEK VLAGKDSEAE 200
AMLAAAIESA DATTLSRGEV YLVGAGPGDP DLLTFRALRL LQKADVVLYD 250
RLVGKGIVDL ARRDAELVYV GKARDKHALP QDNINELLVH YAKQGKKVCR 300
LKGGDPFIFG RGGEEIDLIV AEGIDFQVVP GITAASGCAS YAGIPLTHRD 350
HAQSVRFVTG HRKDGSVDLD WKHLVSETET VVFYMGLVGL REICSQLIAH 400
GRGGDTPIAL VSRGTTNLQE VITGRLDQLP DDIEGREIHA PTLIIVGSVV 450
SLHPKFGWFK P 461
Length:461
Mass (Da):49,741
Last modified:September 5, 2006 - v1
Checksum:iEA11471035C5EA8A
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AM286690 Genomic DNA. Translation: CAL16743.1.
RefSeqiYP_693015.1. NC_008260.1.

Genome annotation databases

EnsemblBacteriaiCAL16743; CAL16743; ABO_1295.
GeneIDi4212573.
KEGGiabo:ABO_1295.
PATRICi20840347. VBIAlcBor124741_1360.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AM286690 Genomic DNA. Translation: CAL16743.1 .
RefSeqi YP_693015.1. NC_008260.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 393595.ABO_1295.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAL16743 ; CAL16743 ; ABO_1295 .
GeneIDi 4212573.
KEGGi abo:ABO_1295.
PATRICi 20840347. VBIAlcBor124741_1360.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00148 ; UER00211 .
UPA00148 ; UER00222 .
UPA00262 ; UER00211 .
UPA00262 ; UER00222 .
UPA00262 ; UER00376 .
BioCyci ABOR393595:GHRI-1326-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: SK2 / ATCC 700651 / DSM 11573.

Entry informationi

Entry nameiCYSG_ALCBS
AccessioniPrimary (citable) accession number: Q0VQ05
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 29, 2008
Last sequence update: September 5, 2006
Last modified: June 11, 2014
This is version 63 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

Documents

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

External Data

Dasty 3

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