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A1KU10

- CYSG_NEIMF

UniProt

A1KU10 - CYSG_NEIMF

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Protein
Siroheme synthase
Gene
cysG, NMC1096
Organism
Neisseria meningitidis serogroup C / serotype 2a (strain ATCC 700532 / DSM 15464 / FAM18)
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 sitei223 – 2231S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Active sitei246 – 2461Proton acceptor By similarity
Active sitei268 – 2681Proton donor By similarity
Binding sitei304 – 3041S-adenosyl-L-methionine; via carbonyl oxygen By similarity
Binding sitei381 – 3811S-adenosyl-L-methionine; via amide nitrogen By similarity
Binding sitei410 – 4101S-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
Complete GO annotation...

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

BioCyciNMEN272831:GJDX-1054-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:NMC1096
OrganismiNeisseria meningitidis serogroup C / serotype 2a (strain ATCC 700532 / DSM 15464 / FAM18)
Taxonomic identifieri272831 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaNeisserialesNeisseriaceaeNeisseria
ProteomesiUP000002286: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 483483Siroheme synthaseUniRule annotation
PRO_0000330524Add
BLAST

Amino acid modifications

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

Keywords - PTMi

Phosphoprotein

Interactioni

Protein-protein interaction databases

STRINGi272831.NMC1096.

Structurei

3D structure databases

ProteinModelPortaliA1KU10.
SMRiA1KU10. Positions 1-455.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 203203precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase By similarity
Add
BLAST
Regioni214 – 483270Uroporphyrinogen-III C-methyltransferase By similarity
Add
BLAST
Regioni299 – 3013S-adenosyl-L-methionine binding By similarity
Regioni329 – 3302S-adenosyl-L-methionine binding By similarity

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiCOG0007.
HOGENOMiHOG000290518.
KOiK02302.
OMAiNRVGQAY.
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.

A1KU10-1 [UniParc]FASTAAdd to Basket

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MNYFPIFANL AGRPVLVVGG GAVAARKISL LLKAGAEVRV AAKHLNAELS    50
ALAAENKILW LAEEFRAEHI RTVFLIIAAS SDQALNRRVF HLAESCQKPV 100
NVVDDRDHCS FIFPSVIDRN PVQIAVSSSG SAPVLARLLR ERLEALLPPS 150
LGDMAEISGR WRDAVKGKLK SVTERRRFWE KQFNGRFAAL VKNRQNTLAE 200
RELAKQLEQN YQGGFVSLVG AGPGDAGLLT LKGLQEIQQA DVVLYDALVS 250
DGILSLVRRD AERIFVGKRA RGGRTPQEDT NALMVRLARE GRRVVRLKGG 300
DPFVFGRGGE ELETLARHQI PFSVVPGITA AVGATAYAGI PLTHRDYAQS 350
AVFVTGHRKA DAPDIEWQTL ARSRQTLVIY MGALKAALIA ERLQQHGRSP 400
DTPAAVISQG TLPAQKTATG TLANLSELAE TAPNPALIVI GEVVGLHEKL 450
AWFGENAKKE SNPAEHAYFA LDGLGTGQEQ QAA 483
Length:483
Mass (Da):52,308
Last modified:February 6, 2007 - v1
Checksum:i804229B2A4A2610E
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AM421808 Genomic DNA. Translation: CAM10351.1.
RefSeqiYP_975139.1. NC_008767.1.

Genome annotation databases

EnsemblBacteriaiCAM10351; CAM10351; NMC1096.
GeneIDi4675846.
KEGGinmc:NMC1096.
PATRICi20352159. VBINeiMen17609_1332.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AM421808 Genomic DNA. Translation: CAM10351.1 .
RefSeqi YP_975139.1. NC_008767.1.

3D structure databases

ProteinModelPortali A1KU10.
SMRi A1KU10. Positions 1-455.
ModBasei Search...

Protein-protein interaction databases

STRINGi 272831.NMC1096.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAM10351 ; CAM10351 ; NMC1096 .
GeneIDi 4675846.
KEGGi nmc:NMC1096.
PATRICi 20352159. VBINeiMen17609_1332.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00148 ; UER00211 .
UPA00148 ; UER00222 .
UPA00262 ; UER00211 .
UPA00262 ; UER00222 .
UPA00262 ; UER00376 .
BioCyci NMEN272831:GJDX-1054-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: ATCC 700532 / DSM 15464 / FAM18.

Entry informationi

Entry nameiCYSG_NEIMF
AccessioniPrimary (citable) accession number: A1KU10
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 29, 2008
Last sequence update: February 6, 2007
Last modified: June 11, 2014
This is version 60 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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