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Q7V1T7

- HEM1_PROMP

UniProt

Q7V1T7 - HEM1_PROMP

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Protein
Glutamyl-tRNA reductase
Gene
hemA, PMM0768
Organism
Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / MED4)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA) By similarity.UniRule annotation

Catalytic activityi

L-glutamate 1-semialdehyde + NADP+ + tRNA(Glu) = L-glutamyl-tRNA(Glu) + NADPH.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei50 – 501Nucleophile By similarity
Sitei99 – 991Important for activity By similarity
Binding sitei109 – 1091Substrate By similarity
Binding sitei120 – 1201Substrate By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi198 – 2036NADP By similarity

GO - Molecular functioni

  1. NADP binding Source: InterPro
  2. glutamyl-tRNA reductase activity Source: UniProtKB-HAMAP
Complete GO annotation...

GO - Biological processi

  1. chlorophyll biosynthetic process Source: UniProtKB-HAMAP
  2. protoporphyrinogen IX biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Chlorophyll biosynthesis, Porphyrin biosynthesis

Keywords - Ligandi

NADP

Enzyme and pathway databases

BioCyciPMAR59919:GJMQ-790-MONOMER.
UniPathwayiUPA00251; UER00316.
UPA00668.

Names & Taxonomyi

Protein namesi
Recommended name:
Glutamyl-tRNA reductase (EC:1.2.1.70)
Short name:
GluTR
Gene namesi
Name:hemA
Ordered Locus Names:PMM0768
OrganismiProchlorococcus marinus subsp. pastoris (strain CCMP1986 / MED4)
Taxonomic identifieri59919 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus
ProteomesiUP000001026: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 433433Glutamyl-tRNA reductaseUniRule annotation
PRO_0000114057Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi59919.PMM0768.

Structurei

3D structure databases

ProteinModelPortaliQ7V1T7.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni49 – 524Substrate binding By similarity
Regioni114 – 1163Substrate binding By similarity

Domaini

Possesses an unusual extended V-shaped dimeric structure with each monomer consisting of three distinct domains arranged along a curved 'spinal' alpha-helix. The N-terminal catalytic domain specifically recognizes the glutamate moiety of the substrate. The second domain is the NADPH-binding domain, and the third C-terminal domain is responsible for dimerization By similarity.UniRule annotation

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0373.
HOGENOMiHOG000109651.
KOiK02492.
OMAiKQHEFVK.
OrthoDBiEOG6MWNBM.

Family and domain databases

Gene3Di3.40.50.720. 1 hit.
HAMAPiMF_00087. Glu_tRNA_reductase.
InterProiIPR000343. 4pyrrol_synth_GluRdtase.
IPR015896. 4pyrrol_synth_GluRdtase_dimer.
IPR015895. 4pyrrol_synth_GluRdtase_N.
IPR018214. GluRdtase_CS.
IPR016040. NAD(P)-bd_dom.
IPR006151. Shikm_DH/Glu-tRNA_Rdtase.
[Graphical view]
PfamiPF00745. GlutR_dimer. 1 hit.
PF05201. GlutR_N. 1 hit.
PF01488. Shikimate_DH. 1 hit.
[Graphical view]
PIRSFiPIRSF000445. 4pyrrol_synth_GluRdtase. 1 hit.
SUPFAMiSSF69075. SSF69075. 1 hit.
SSF69742. SSF69742. 1 hit.
TIGRFAMsiTIGR01035. hemA. 1 hit.
PROSITEiPS00747. GLUTR. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q7V1T7-1 [UniParc]FASTAAdd to Basket

« Hide

MHIVVVGLSH RTAPVEVREK LSIPDQSISE SLKTLSINSD ILEVSILSTC    50
NRLEIYALVK EINIGISSIK EFLTDYSSVN FEDLNPHLFD FRQEEAVLHL 100
MKVSAGLDSL VLGEGQILSQ VKKMMRLGQE NQSTGPILNR LLSQSVSAGK 150
KVRSETNLGT GAVSISSAAV ELAQLKIGQD HGVDGLVSLK SEKVLVVGAG 200
RMSRLLITHL KSKGCNRLTL LNRNIERAVN LAGDFPDLEI NCKSLNELDK 250
NISLSSLVFT STASEKPFID LARVEKISLN NKLKFIDIGV PRNISNDVKH 300
HAFIESFDVD DLEEVVSRNQ EFRQKIAKEA ESLVKDERII FLEWWASLEA 350
VPVINKLRSD LELIRKEELQ KALSRMGPDF SARERKVVEA LTKGIINKIL 400
HTPVTKLRSP QSRDERQASL KIVEKLFSLV DDE 433
Length:433
Mass (Da):48,289
Last modified:October 1, 2003 - v1
Checksum:i21D2DEF63289CB8E
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BX548174 Genomic DNA. Translation: CAE19227.1.
RefSeqiNP_892886.1. NC_005072.1.
WP_011132402.1. NC_005072.1.

Genome annotation databases

EnsemblBacteriaiCAE19227; CAE19227; PMM0768.
GeneIDi1726309.
KEGGipmm:PMM0768.
PATRICi23032392. VBIProMar68066_0864.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BX548174 Genomic DNA. Translation: CAE19227.1 .
RefSeqi NP_892886.1. NC_005072.1.
WP_011132402.1. NC_005072.1.

3D structure databases

ProteinModelPortali Q7V1T7.
ModBasei Search...

Protein-protein interaction databases

STRINGi 59919.PMM0768.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAE19227 ; CAE19227 ; PMM0768 .
GeneIDi 1726309.
KEGGi pmm:PMM0768.
PATRICi 23032392. VBIProMar68066_0864.

Phylogenomic databases

eggNOGi COG0373.
HOGENOMi HOG000109651.
KOi K02492.
OMAi KQHEFVK.
OrthoDBi EOG6MWNBM.

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
UPA00668 .
BioCyci PMAR59919:GJMQ-790-MONOMER.

Family and domain databases

Gene3Di 3.40.50.720. 1 hit.
HAMAPi MF_00087. Glu_tRNA_reductase.
InterProi IPR000343. 4pyrrol_synth_GluRdtase.
IPR015896. 4pyrrol_synth_GluRdtase_dimer.
IPR015895. 4pyrrol_synth_GluRdtase_N.
IPR018214. GluRdtase_CS.
IPR016040. NAD(P)-bd_dom.
IPR006151. Shikm_DH/Glu-tRNA_Rdtase.
[Graphical view ]
Pfami PF00745. GlutR_dimer. 1 hit.
PF05201. GlutR_N. 1 hit.
PF01488. Shikimate_DH. 1 hit.
[Graphical view ]
PIRSFi PIRSF000445. 4pyrrol_synth_GluRdtase. 1 hit.
SUPFAMi SSF69075. SSF69075. 1 hit.
SSF69742. SSF69742. 1 hit.
TIGRFAMsi TIGR01035. hemA. 1 hit.
PROSITEi PS00747. GLUTR. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: CCMP1986 / MED4.

Entry informationi

Entry nameiHEM1_PROMP
AccessioniPrimary (citable) accession number: Q7V1T7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 15, 2003
Last sequence update: October 1, 2003
Last modified: September 3, 2014
This is version 87 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

During catalysis, the active site Cys acts as a nucleophile attacking the alpha-carbonyl group of tRNA-bound glutamate with the formation of a thioester intermediate between enzyme and glutamate, and the concomitant release of tRNA(Glu). The thioester intermediate is finally reduced by direct hydride transfer from NADPH, to form the product GSA By similarity.

Keywords - Technical termi

Complete proteome

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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