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Q6D1A4

- CYSG1_PECAS

UniProt

Q6D1A4 - CYSG1_PECAS

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Protein
Siroheme synthase 1
Gene
cysG1, ECA3544
Organism
Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672) (Erwinia carotovora subsp. atroseptica)
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 sitei231 – 2311S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Active sitei254 – 2541Proton acceptor By similarity
Active sitei276 – 2761Proton donor By similarity
Binding sitei312 – 3121S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Binding sitei389 – 3891S-adenosyl-L-methionine; via amide nitrogen By similarity
Binding sitei418 – 4181S-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

BioCyciPATR218491:GJNB-3618-MONOMER.
UniPathwayiUPA00148; UER00211.
UPA00148; UER00222.
UPA00262; UER00211.
UPA00262; UER00222.
UPA00262; UER00376.

Names & Taxonomyi

Protein namesi
Recommended name:
Siroheme synthase 1
Including the following 3 domains:
Uroporphyrinogen-III C-methyltransferase 1 (EC:2.1.1.107)
Short name:
Urogen III methylase 1
Alternative name(s):
SUMT 1
Uroporphyrinogen III methylase 1
Short name:
UROM 1
Precorrin-2 dehydrogenase 1 (EC:1.3.1.76)
Sirohydrochlorin ferrochelatase 1 (EC:4.99.1.4)
Gene namesi
Name:cysG1
Ordered Locus Names:ECA3544
OrganismiPectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672) (Erwinia carotovora subsp. atroseptica)
Taxonomic identifieri218491 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaePectobacterium
ProteomesiUP000007966: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 480480Siroheme synthase 1UniRule annotation
PRO_0000330505Add
BLAST

Amino acid modifications

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

Keywords - PTMi

Phosphoprotein

Interactioni

Protein-protein interaction databases

STRINGi218491.ECA3544.

Structurei

3D structure databases

ProteinModelPortaliQ6D1A4.
SMRiQ6D1A4. Positions 1-463.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 203203precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase By similarity
Add
BLAST
Regioni222 – 480259Uroporphyrinogen-III C-methyltransferase By similarity
Add
BLAST
Regioni307 – 3093S-adenosyl-L-methionine binding By similarity
Regioni337 – 3382S-adenosyl-L-methionine binding By similarity

Sequence similaritiesi

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

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.
PROSITEiPS00839. SUMT_1. 1 hit.
PS00840. SUMT_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q6D1A4-1 [UniParc]FASTAAdd to Basket

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MNYLPIFADL RQRPVLVVGG GEVATRKIDL LQRAGAEVKI VALALAEPLA    50
AQHQAGQVEW LAQSFTPELL SGVFLVIAAT DDAELNAAVF EAANQRHLLV 100
NVVDDQPKCT FIFPSIVDRS PLVVAISSGG QAPVLARLLR EKLESLLPAS 150
LGTMAEIAGS WRDRIKTRLH SMPARRRFWE RLFVGRFASL VSAGQLEQAE 200
GELQQQLVNQ QDEQQLPAAA RGEVALVGAG PGDAGLLTLR GLQVMQQADV 250
VLYDHLVSAD VLDLVRRDAE RICVGKRAST HSLPQGEINQ LLVKLAQEGK 300
RVVRLKGGDP FIFGRGGEEL QAVAQAGITF QVVPGVTAAA GVTAYAGIPL 350
THRDHAQSVI FITGHCRPDG DSLDWSTLAR GRQTLAIYMG TMKAAEISQQ 400
LIAHGRSAQT PVAVISRGTR HDQQVQIGTL QELEHLARQA PTPALLVIGE 450
VVDLHHQIAW FGQTTPTVPQ DSRPAVVNLA 480
Length:480
Mass (Da):51,737
Last modified:August 16, 2004 - v1
Checksum:i34E423B4160BB316
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BX950851 Genomic DNA. Translation: CAG76442.1.
RefSeqiYP_051632.1. NC_004547.2.

Genome annotation databases

EnsemblBacteriaiCAG76442; CAG76442; ECA3544.
GeneIDi2882397.
KEGGieca:ECA3544.
PATRICi20482475. VBIPecAtr54885_3591.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BX950851 Genomic DNA. Translation: CAG76442.1 .
RefSeqi YP_051632.1. NC_004547.2.

3D structure databases

ProteinModelPortali Q6D1A4.
SMRi Q6D1A4. Positions 1-463.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 218491.ECA3544.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAG76442 ; CAG76442 ; ECA3544 .
GeneIDi 2882397.
KEGGi eca:ECA3544.
PATRICi 20482475. VBIPecAtr54885_3591.

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 PATR218491:GJNB-3618-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 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: SCRI 1043 / ATCC BAA-672.

Entry informationi

Entry nameiCYSG1_PECAS
AccessioniPrimary (citable) accession number: Q6D1A4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 29, 2008
Last sequence update: August 16, 2004
Last modified: June 11, 2014
This is version 70 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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