B1IC67 (PYRB_STRPI) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Aspartate carbamoyltransferase
EC=2.1.3.2

Alternative name(s):
Aspartate transcarbamylase
Short name=ATCase

Gene names

Name:	pyrB
Ordered Locus Names:	SPH_1393

Organism

Streptococcus pneumoniae (strain Hungary19A-6) [Complete proteome] [HAMAP]

Taxonomic identifier

487214 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Lactobacillales › Streptococcaceae › Streptococcus

Protein attributes

Sequence length	307 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	Carbamoyl phosphate + L-aspartate = phosphate + N-carbamoyl-L-aspartate. HAMAP MF_00001
Pathway	Pyrimidine metabolism; UMP biosynthesis via de novo pathway; (S)-dihydroorotate from bicarbonate: step 2/3. HAMAP MF_00001
Sequence similarities	Belongs to the ATCase/OTCase family.

Ontologies

Keywords
Biological process	Pyrimidine biosynthesis
Molecular function	Transferase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	'de novo' pyrimidine base biosynthetic process Inferred from electronic annotation. Source: InterPro cellular amino acid metabolic process Inferred from electronic annotation. Source: InterPro pyrimidine nucleotide biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	amino acid binding Inferred from electronic annotation. Source: InterPro aspartate carbamoyltransferase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 307	307	Aspartate carbamoyltransferase HAMAP MF_00001		PRO_1000088808

Sequences

	Sequence		Length	Mass (Da)
	B1IC67 [UniParc]. Last modified April 29, 2008. Version 1. Checksum: 2902A293E54DB6E4	FASTA	307	34,706
	10 20 30 40 50 60 MSENQQALNH VVSMEDLTVD QVMKLIKRGI EFKNGAQLPY EDHPIVSNLF FEDSTRTHKS 70 80 90 100 110 120 FEVAEIKLGL ERLDFDVKTS SVNKGETLYD TILTLSALGV DVCVIRHPEV DYYRELIASP 130 140 150 160 170 180 TITTSIINGG DGSGQHPSQS LLDLMTIYEE FGHFEGLKVA IAGDLDHSRV AKSNMQILKR 190 200 210 220 230 240 LGSELFFAGP EEWRSQEFAD YGQFVTIDEI IDQVDVMMFL RVQHERHDSG AVFSKEDYHA 250 260 270 280 290 300 QHGLTQERYD RLKETAILMH PAPINRDVEI ADHLVEAPKS RIVQQMTNGV FVRMAILESV LASRNAN

References

[1]	"Complete sequence of Streptococcus pneumoniae strain Hungary 19A-6." Hotopp J.D., Censini S., Masignani V., Covacci A., Tettelin H. Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Hungary19A-6.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000936 Genomic DNA. Translation: ACA36816.1.
RefSeq	YP_001694702.1. NC_010380.1.
3D structure databases
ProteinModelPortal	B1IC67.
ModBase	Search...
Protein-protein interaction databases
STRING	B1IC67.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBSTRT00000024570; EBSTRP00000023736; EBSTRG00000024570.
GeneID	6027987.
GenomeReviews	Gene locus SPH_1393 in contig CP000936_GR.
KEGG	spv:SPH_1393.
PATRIC	19692896. VBIStrPne34925_1398.
Organism-specific databases
CMR	Search...
Phylogenomic databases
GeneTree	EBGT00050000027081.
HOGENOM	HBG579429.
OMA	VGIPIIN.
ProtClustDB	PRK00856.
Enzyme and pathway databases
BioCyc	SPNE487214:SPH_1393-MONOMER.
Family and domain databases
HAMAP	MF_00001. Asp_carb_tr. [Tree]
InterPro	IPR006132. Asp/Orn_carbamoyltranf_P-bd. IPR006130. Asp/Orn_carbamoylTrfase. IPR006131. Asp_carbamoyltransf_Asp/Orn-bd. IPR002082. Asp_carbamoyltransf_euk. [Graphical view]
KO	K00609.
Pfam	PF00185. OTCace. 1 hit. PF02729. OTCace_N. 1 hit. [Graphical view]
PRINTS	PR00100. AOTCASE. PR00101. ATCASE.
SUPFAM	SSF53671. Asp/Orn_carbamoyltranf. 1 hit.
TIGRFAMs	TIGR00670. Asp_carb_tr. 1 hit.
PROSITE	PS00097. CARBAMOYLTRANSFERASE. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PYRB_STRPI

Accession

Primary (citable) accession number: B1IC67

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 24, 2009
Last sequence update:	April 29, 2008
Last modified:	January 25, 2012
This is version 31 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program