Reviewed, UniProtKB/Swiss-Prot Q72ZW0 (HEM1_BACC1)

Names and origin

Protein names

Recommended name:
    Glutamyl-tRNA reductase
      Short name=GluTR
    EC=1.2.1.70

Gene names

Name:	hemA
Ordered Locus Names:	BCE_4557

Organism

Bacillus cereus (strain ATCC 10987) [Complete proteome] [HAMAP]

Taxonomic identifier

222523 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Bacillaceae › Bacillus › Bacillus cereus group

Protein attributes

Sequence length	444 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA) By similarity.
Catalytic activity	L-glutamate 1-semialdehyde + NADP+ + tRNA(Glu) = L-glutamyl-tRNA(Glu) + NADPH. HAMAP MF_00087
Pathway	Porphyrin metabolism; protoporphyrin-IX biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 1/2. HAMAP MF_00087
Subunit structure	Homodimer By similarity.
Domain	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.
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.
Sequence similarities	Belongs to the glutamyl-tRNA reductase family.

Ontologies

Keywords
Biological process	Porphyrin biosynthesis
Ligand	NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW porphyrin biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: InterPro
Molecular function	NADP or NADPH binding Inferred from electronic annotation. Source: InterPro glutamyl-tRNA reductase activity Inferred from electronic annotation. Source: HAMAP shikimate 5-dehydrogenase activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 444	444	Glutamyl-tRNA reductase HAMAP MF_00087		PRO_0000113989
Regions
	Nucleotide binding	189 – 194	6	NADP By similarity
	Region	49 – 52	4	Substrate binding By similarity
	Region	114 – 116	3	Substrate binding By similarity
Sites
	Active site	50	1	Nucleophile By similarity
	Binding site	109	1	Substrate By similarity
	Binding site	120	1	Substrate By similarity
	Site	99	1	Important for activity By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q72ZW0-1 [UniParc]. Last modified July 5, 2004. Version 1. Checksum: E1DB2D31727A0315	FASTA	444	49,800
	10 20 30 40 50 60 MHILVVSVNY RTAPVEFREK LTFQATELEQ AMTTLQKQKS VLENVIVSTC NRTEIYAVVD 70 80 90 100 110 120 QLHTGRYYIK KFLADWFQLE IEEVAPYLTI FEQDGAIDHL FRVTCGLDSM VVGETQILGQ 130 140 150 160 170 180 IKDSFLEAQQ VKATGTIFNE LFKQVITLAK RAHSETTIGE SAMSVSYAAV ELGKKIFGEL 190 200 210 220 230 240 TDCHVLILGA GKMGELALQN LYGSGARKVT VMNRTLSKAE IMAEKYMGHA KPLSELQCAL 250 260 270 280 290 300 LEADILISST GASDYVITKE MMTKVEKMRS GRPLFMVDIA VPRDIDPAID ELEGSFLYDI 310 320 330 340 350 360 DDLQGVVEAN RAERLKEAEK IQFMIEEEIV LFKTWLSTLG VVPLISALRD KALAIQSETM 370 380 390 400 410 420 ESLERKIPTL SDRERKVISK HTKSIINQLL KDPILVAKEI AAEEGADEKL ALFAKIFDLE 430 440 MEDVESRAEE VEHKRAWTPS VPSL

References

[1]

"The genome sequence of Bacillus cereus ATCC 10987 reveals metabolic adaptations and a large plasmid related to Bacillus anthracis pXO1." Rasko D.A., Ravel J., Oekstad O.A., Helgason E., Cer R.Z., Jiang L., Shores K.A., Fouts D.E., Tourasse N.J., Angiuoli S.V., Kolonay J.F., Nelson W.C., Kolstoe A.-B., Fraser C.M., Read T.D. Nucleic Acids Res. 32:977-988(2004) [PubMed: 14960714] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE017194 Genomic DNA. Translation: AAS43458.1.
RefSeq	NP_980850.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	Q72ZW0.
Genome annotation databases
GeneID	2748735.
GenomeReviews	Gene locus BCE_4557 in contig AE017194_GR.
KEGG	bca:BCE_4557.
NMPDR	fig|222523.1.peg.4522.
TIGR	BCE_4557.
Phylogenomic databases
HOGENOM	Q72ZW0.
OMA	GPILNRL.
Family and domain databases
HAMAP	MF_00087. [Tree]
InterPro	IPR000343. 4pyrrol_synth_GluRdtase. IPR015896. 4pyrrol_synth_GluRdtase_C. IPR015895. 4pyrrol_synth_GluRdtase_N. IPR016040. NAD(P)-bd_dom. IPR018214. pyrrol_synth_GluRdtase_CS. IPR006151. Shikm_DH/Glu-tRNA_Rdtase. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
Pfam	PF00745. GlutR_dimer. 1 hit. PF05201. GlutR_N. 1 hit. PF01488. Shikimate_DH. 1 hit. [Graphical view]
PIRSF	PIRSF000445. 4pyrrol_synth_GluRdtase. 1 hit.
TIGRFAMs	TIGR01035. hemA. 1 hit.
PROSITE	PS00747. GLUTR. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

HEM1_BACC1

Accession

Primary (citable) accession number: Q72ZW0

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 1, 2005
Last sequence update:	July 5, 2004
Last modified:	November 3, 2009
This is version 46 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)