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Q7NZV7 (CYSG_CHRVO) Reviewed, UniProtKB/Swiss-Prot

Last modified July 9, 2014. Version 76. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Siroheme synthase

Including the following 3 domains:

  1. Uroporphyrinogen-III C-methyltransferase
    Short name=Urogen III methylase
    EC=2.1.1.107
    Alternative name(s):
    SUMT
    Uroporphyrinogen III methylase
    Short name=UROM
  2. Precorrin-2 dehydrogenase
    EC=1.3.1.76
  3. Sirohydrochlorin ferrochelatase
    EC=4.99.1.4
Gene names
Name:cysG
Synonyms:cobA2
Ordered Locus Names:CV_0813
OrganismChromobacterium violaceum (strain ATCC 12472 / DSM 30191 / JCM 1249 / NBRC 12614 / NCIMB 9131 / NCTC 9757) [Complete proteome] [HAMAP]
Taxonomic identifier243365 [NCBI]
Taxonomic lineageBacteriaProteobacteriaBetaproteobacteriaNeisserialesChromobacteriaceaeChromobacterium

Protein attributes

Sequence length470 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

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. HAMAP-Rule MF_01646

Catalytic activity

S-adenosyl-L-methionine + uroporphyrinogen III = S-adenosyl-L-homocysteine + precorrin-1. HAMAP-Rule MF_01646

S-adenosyl-L-methionine + precorrin-1 = S-adenosyl-L-homocysteine + precorrin-2. HAMAP-Rule MF_01646

Precorrin-2 + NAD+ = sirohydrochlorin + NADH. HAMAP-Rule MF_01646

Siroheme + 2 H+ = sirohydrochlorin + Fe2+. HAMAP-Rule MF_01646

Pathway

Cofactor biosynthesis; adenosylcobalamin biosynthesis; precorrin-2 from uroporphyrinogen III: step 1/1. HAMAP-Rule MF_01646

Cofactor biosynthesis; adenosylcobalamin biosynthesis; sirohydrochlorin from precorrin-2: step 1/1.

Porphyrin-containing compound metabolism; siroheme biosynthesis; precorrin-2 from uroporphyrinogen III: step 1/1. HAMAP-Rule MF_01646

Porphyrin-containing compound metabolism; siroheme biosynthesis; siroheme from sirohydrochlorin: step 1/1.

Porphyrin-containing compound metabolism; siroheme biosynthesis; sirohydrochlorin from precorrin-2: step 1/1.

Sequence similarities

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

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

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 470470Siroheme synthase HAMAP-Rule MF_01646
PRO_0000330500

Regions

Nucleotide binding22 – 232NAD By similarity
Nucleotide binding43 – 442NAD By similarity
Region1 – 203203precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase By similarity
Region216 – 470255Uroporphyrinogen-III C-methyltransferase By similarity
Region301 – 3033S-adenosyl-L-methionine binding By similarity

Sites

Active site2481Proton acceptor By similarity
Active site2701Proton donor By similarity
Binding site2251S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Binding site3831S-adenosyl-L-methionine; via amide nitrogen By similarity
Binding site4121S-adenosyl-L-methionine; via amide nitrogen and carbonyl oxygen By similarity

Amino acid modifications

Modified residue1281Phosphoserine By similarity

Sequences

Sequence LengthMass (Da)Tools
Q7NZV7 [UniParc].

Last modified December 15, 2003. Version 1.
Checksum: F01C33E2DE5D1B19

FASTA47050,153
        10         20         30         40         50         60 
MEFFPIFLKL RHQRCLLVGG GEVALRKARL LLAAGASLQV VAPELAPELA DLAERGELEH 

        70         80         90        100        110        120 
LPGRYAPALL DGMRLAVAAT DDAEVNRAVA ADAEARGILV NVVDDAEASR YISPAIIDRS 

       130        140        150        160        170        180 
PLMVAVASGG SVPVLARSIR ARLESLIPAG YGRLARFGSS FRDAVKARFP DVDARRRFWE 

       190        200        210        220        230        240 
TVLEGPLADA VMNGDEAAAR AEMEKRIAAG GADRAGAVYL VGAGPGNPDL LTFRALRLMQ 

       250        260        270        280        290        300 
QADVVLYDKL VAPELLELVR RDAERVYVGK ARANHALPQD DINQLLVDLA RQGKRVLRLK 

       310        320        330        340        350        360 
GGDPFTFGRG GEEIATLAEH GIAFEVVPGI TSASGAAAYA GIPLTHRDYA QSVTFVTGHK 

       370        380        390        400        410        420 
QDGSIDLDWQ ALTRPQQTVV VYMGVSTAAE LCQAFVDNGR AASTPAAAVE WATTERQRTV 

       430        440        450        460        470 
CGTLAALPGL MASHGIASPA LIIVGEVVEL ADKLSWYRRS ENSAVTIQED 

« Hide

References

[1]"The complete genome sequence of Chromobacterium violaceum reveals remarkable and exploitable bacterial adaptability."
Vasconcelos A.T.R., de Almeida D.F., Hungria M., Guimaraes C.T., Antonio R.V., Almeida F.C., de Almeida L.G.P., de Almeida R., Alves-Gomes J.A., Andrade E.M., Araripe J., de Araujo M.F.F., Astolfi-Filho S., Azevedo V., Baptista A.J., Bataus L.A.M., Batista J.S., Belo A. expand/collapse author list , van den Berg C., Bogo M., Bonatto S., Bordignon J., Brigido M.M., Brito C.A., Brocchi M., Burity H.A., Camargo A.A., Cardoso D.D.P., Carneiro N.P., Carraro D.M., Carvalho C.M.B., Cascardo J.C.M., Cavada B.S., Chueire L.M.O., Creczynski-Pasa T.B., Cunha-Junior N.C., Fagundes N., Falcao C.L., Fantinatti F., Farias I.P., Felipe M.S.S., Ferrari L.P., Ferro J.A., Ferro M.I.T., Franco G.R., Freitas N.S.A., Furlan L.R., Gazzinelli R.T., Gomes E.A., Goncalves P.R., Grangeiro T.B., Grattapaglia D., Grisard E.C., Hanna E.S., Jardim S.N., Laurino J., Leoi L.C.T., Lima L.F.A., Loureiro M.F., Lyra M.C.C.P., Madeira H.M.F., Manfio G.P., Maranhao A.Q., Martins W.S., di Mauro S.M.Z., de Medeiros S.R.B., Meissner R.V., Moreira M.A.M., Nascimento F.F., Nicolas M.F., Oliveira J.G., Oliveira S.C., Paixao R.F.C., Parente J.A., Pedrosa F.O., Pena S.D.J., Pereira J.O., Pereira M., Pinto L.S.R.C., Pinto L.S., Porto J.I.R., Potrich D.P., Ramalho-Neto C.E., Reis A.M.M., Rigo L.U., Rondinelli E., Santos E.B.P., Santos F.R., Schneider M.P.C., Seuanez H.N., Silva A.M.R., da Silva A.L.C., Silva D.W., Silva R., Simoes I.C., Simon D., Soares C.M.A., Soares R.B.A., Souza E.M., Souza K.R.L., Souza R.C., Steffens M.B.R., Steindel M., Teixeira S.R., Urmenyi T., Vettore A., Wassem R., Zaha A., Simpson A.J.G.
Proc. Natl. Acad. Sci. U.S.A. 100:11660-11665(2003) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 12472 / DSM 30191 / JCM 1249 / NBRC 12614 / NCIMB 9131 / NCTC 9757.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE016825 Genomic DNA. Translation: AAQ58488.1.
RefSeqNP_900483.1. NC_005085.1.

3D structure databases

ProteinModelPortalQ7NZV7.
SMRQ7NZV7. Positions 1-458.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING243365.CV_0813.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaAAQ58488; AAQ58488; CV_0813.
GeneID2549239.
KEGGcvi:CV_0813.
PATRIC21436422. VBIChrVio67196_0810.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0007.
HOGENOMHOG000290518.
KOK02302.
OMARAMATRD.
OrthoDBEOG6DRPFR.

Enzyme and pathway databases

BioCycCVIO243365:GHUD-825-MONOMER.
UniPathwayUPA00148; UER00211.
UPA00148; UER00222.
UPA00262; UER00211.
UPA00262; UER00222.
UPA00262; UER00376.

Family and domain databases

Gene3D1.10.8.210. 1 hit.
3.30.950.10. 1 hit.
3.40.1010.10. 1 hit.
3.40.50.720. 1 hit.
HAMAPMF_01646. Siroheme_synth.
InterProIPR000878. 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]
PfamPF10414. CysG_dimeriser. 1 hit.
PF13241. NAD_binding_7. 1 hit.
PF00590. TP_methylase. 1 hit.
[Graphical view]
PIRSFPIRSF036426. Sirohaem_synth. 1 hit.
SUPFAMSSF53790. SSF53790. 1 hit.
TIGRFAMsTIGR01469. cobA_cysG_Cterm. 1 hit.
TIGR01470. cysG_Nterm. 1 hit.
PROSITEPS00840. SUMT_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameCYSG_CHRVO
AccessionPrimary (citable) accession number: Q7NZV7
Entry history
Integrated into UniProtKB/Swiss-Prot: April 29, 2008
Last sequence update: December 15, 2003
Last modified: July 9, 2014
This is version 76 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways