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B7NDX8

- CYSG_ECOLU

UniProt

B7NDX8 - CYSG_ECOLU

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Protein
Siroheme synthase
Gene
cysG, ECUMN_3831
Organism
Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC)
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 sitei225 – 2251S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Active sitei248 – 2481Proton acceptor By similarity
Active sitei270 – 2701Proton donor By similarity
Binding sitei306 – 3061S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Binding sitei382 – 3821S-adenosyl-L-methionine; via amide nitrogen By similarity
Binding sitei411 – 4111S-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

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:ECUMN_3831
OrganismiEscherichia coli O17:K52:H18 (strain UMN026 / ExPEC)
Taxonomic identifieri585056 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000007097: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 457457Siroheme synthaseUniRule annotation
PRO_1000186944Add
BLAST

Amino acid modifications

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

Keywords - PTMi

Phosphoprotein

Interactioni

Protein-protein interaction databases

STRINGi585056.ECUMN_3831.

Structurei

3D structure databases

ProteinModelPortaliB7NDX8.
SMRiB7NDX8. Positions 1-457.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 204204precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase By similarity
Add
BLAST
Regioni216 – 457242Uroporphyrinogen-III C-methyltransferase By similarity
Add
BLAST
Regioni301 – 3033S-adenosyl-L-methionine binding By similarity
Regioni331 – 3322S-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.
PROSITEiPS00839. SUMT_1. 1 hit.
PS00840. SUMT_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

B7NDX8-1 [UniParc]FASTAAdd to Basket

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MDHLPIFCQL RDRDCLIVGG GDVAERKARL LLDAGARLTV NALAFIPQFT    50
AWADAGMLTL VEGPFDESLL DTCWLAIAAT DDDALNQRVS EAAEAHRIFC 100
NVVDAPKAAS FIMPSIIDRS PLMVAVSSGG TSPVLARLLR EKLESLLPLH 150
LGQVAKYAGQ LRGRVKQQFA TMGERRRFWE KLFVNDRLAQ SLANNDQKAI 200
TETTEQLINE PLDHRGEVVL VGAGPGDAGL LTLKGLQQIQ QADVVVYDRL 250
VSDDIMNLVR RDADRVFVGK RAGYHCVPQE EINQILLREA QKGKRVVRLK 300
GGDPFIFGRG GEELETLCNA GIPFSVVPGI TAASGCSAYS GIPLTHRDYA 350
QSVRLITGHL KTGGELDWEN LAAEKQTLVF YMGLNQAATI QQKLIEHGMP 400
GEMPVAIVEN GTAVTQRVID GTLTQLGELA QQMNSPSLII IGRVVGLRDK 450
LNWFSNH 457
Length:457
Mass (Da):49,932
Last modified:February 10, 2009 - v1
Checksum:iA777A1A12CD9DB0D
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928163 Genomic DNA. Translation: CAR14978.1.
RefSeqiYP_002414483.1. NC_011751.1.

Genome annotation databases

EnsemblBacteriaiCAR14978; CAR14978; ECUMN_3831.
GeneIDi7157283.
KEGGieum:ECUMN_3831.
PATRICi18446969. VBIEscCol32010_4003.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928163 Genomic DNA. Translation: CAR14978.1 .
RefSeqi YP_002414483.1. NC_011751.1.

3D structure databases

ProteinModelPortali B7NDX8.
SMRi B7NDX8. Positions 1-457.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 585056.ECUMN_3831.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAR14978 ; CAR14978 ; ECUMN_3831 .
GeneIDi 7157283.
KEGGi eum:ECUMN_3831.
PATRICi 18446969. VBIEscCol32010_4003.

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 .

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 PS00839. SUMT_1. 1 hit.
PS00840. SUMT_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: UMN026 / ExPEC.

Entry informationi

Entry nameiCYSG_ECOLU
AccessioniPrimary (citable) accession number: B7NDX8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: February 10, 2009
Last modified: June 11, 2014
This is version 42 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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