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Protein

Porphobilinogen deaminase

Gene

hemC

Organism
Paenibacillus macerans (Bacillus macerans)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Tetrapolymerization of the monopyrrole PBG into the hydroxymethylbilane pre-uroporphyrinogen in several discrete steps.By similarity

Catalytic activityi

4 porphobilinogen + H2O = hydroxymethylbilane + 4 NH3.

Cofactori

dipyrromethaneBy similarityNote: Binds 1 dipyrromethane group covalently.By similarity

Pathwayi: protoporphyrin-IX biosynthesis

This protein is involved in step 2 of the subpathway that synthesizes coproporphyrinogen-III from 5-aminolevulinate.
Proteins known to be involved in the 4 steps of the subpathway in this organism are:
  1. no protein annotated in this organism
  2. Porphobilinogen deaminase (hemC), Porphobilinogen deaminase (hemC)
  3. no protein annotated in this organism
  4. Uroporphyrinogen decarboxylase (hemE)
This subpathway is part of the pathway protoporphyrin-IX biosynthesis, which is itself part of Porphyrin-containing compound metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes coproporphyrinogen-III from 5-aminolevulinate, the pathway protoporphyrin-IX biosynthesis and in Porphyrin-containing compound metabolism.

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Biological processi

Porphyrin biosynthesis

Enzyme and pathway databases

UniPathwayiUPA00251; UER00319.

Names & Taxonomyi

Protein namesi
Recommended name:
Porphobilinogen deaminase (EC:2.5.1.61)
Short name:
PBG
Alternative name(s):
Hydroxymethylbilane synthase
Short name:
HMBS
Pre-uroporphyrinogen synthase
Gene namesi
Name:hemC
OrganismiPaenibacillus macerans (Bacillus macerans)
Taxonomic identifieri44252 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesPaenibacillaceaePaenibacillus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001429661 – 324Porphobilinogen deaminaseAdd BLAST324

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei246S-(dipyrrolylmethanemethyl)cysteineBy similarity1

Interactioni

Subunit structurei

Monomer.By similarity

Structurei

3D structure databases

ProteinModelPortaliO69110.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni261 – 279InsertAdd BLAST19

Sequence similaritiesi

Belongs to the HMBS family.Curated

Family and domain databases

Gene3Di3.30.160.40. 1 hit.
HAMAPiMF_00260. Porphobil_deam. 1 hit.
InterProiIPR000860. HemC.
IPR022419. Porphobilin_deaminase_cofac_BS.
IPR022417. Porphobilin_deaminase_N.
IPR022418. Porphobilinogen_deaminase_C.
[Graphical view]
PANTHERiPTHR11557. PTHR11557. 2 hits.
PfamiPF01379. Porphobil_deam. 1 hit.
PF03900. Porphobil_deamC. 1 hit.
[Graphical view]
PIRSFiPIRSF001438. 4pyrrol_synth_OHMeBilane_synth. 1 hit.
PRINTSiPR00151. PORPHBDMNASE.
SUPFAMiSSF54782. SSF54782. 1 hit.
TIGRFAMsiTIGR00212. hemC. 1 hit.
PROSITEiPS00533. PORPHOBILINOGEN_DEAM. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

O69110-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTKRTIVVGT RQSQLALTQT EQVIGDLKEL CRAHGLPFEF EIKKIVTKGD
60 70 80 90 100
RILDVTLSKI GGKGLFVKEI EQAMLDGEID MAVHSMKDMP SVLPEGLING
110 120 130 140 150
GVPLRKDPRD ALISRSGLHL HELPQGARVG TSTLRRSSQL LAYRPDLVLE
160 170 180 190 200
PVRGNIDSRL RKLEEEGFDA IILAAAGLQR MGWENRVTAY LSADVCLPAV
210 220 230 240 250
GQGALGIECR ENDAELRDVL SLYNDPDTAL TVAAERRFLA VLNGGCQVPI
260 270 280 290 300
AAYANLERAG GQAPEEGGRA AASQAPAALR IRLTGMVGSA DGRGYFEGEC
310 320
RREDPVAFGE RIAGLLLAQG GRVT
Length:324
Mass (Da):34,903
Last modified:August 1, 1998 - v1
Checksum:i9F674AA6865B2F85
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF064061 Genomic DNA. Translation: AAC18587.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF064061 Genomic DNA. Translation: AAC18587.1.

3D structure databases

ProteinModelPortaliO69110.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

UniPathwayiUPA00251; UER00319.

Family and domain databases

Gene3Di3.30.160.40. 1 hit.
HAMAPiMF_00260. Porphobil_deam. 1 hit.
InterProiIPR000860. HemC.
IPR022419. Porphobilin_deaminase_cofac_BS.
IPR022417. Porphobilin_deaminase_N.
IPR022418. Porphobilinogen_deaminase_C.
[Graphical view]
PANTHERiPTHR11557. PTHR11557. 2 hits.
PfamiPF01379. Porphobil_deam. 1 hit.
PF03900. Porphobil_deamC. 1 hit.
[Graphical view]
PIRSFiPIRSF001438. 4pyrrol_synth_OHMeBilane_synth. 1 hit.
PRINTSiPR00151. PORPHBDMNASE.
SUPFAMiSSF54782. SSF54782. 1 hit.
TIGRFAMsiTIGR00212. hemC. 1 hit.
PROSITEiPS00533. PORPHOBILINOGEN_DEAM. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiHEM3_PAEMA
AccessioniPrimary (citable) accession number: O69110
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: August 1, 1998
Last modified: September 7, 2016
This is version 86 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

The porphobilinogen subunits are added to the dipyrromethane group.By similarity

Documents

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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.