Reviewed, UniProtKB/Swiss-Prot Q5LGS1 (PANC_BACFN)

Names and origin

Protein names

Recommended name:
    Pantothenate synthetase
      Short name=PS
    EC=6.3.2.1
Alternative name(s):
    Pantoate--beta-alanine ligase
    Pantoate-activating enzyme

Gene names

Name:	panC
Ordered Locus Names:	BF0924

Organism

Bacteroides fragilis (strain ATCC 25285 / NCTC 9343) [Complete proteome] [HAMAP]

Taxonomic identifier

272559 [NCBI]

Taxonomic lineage

Bacteria › Bacteroidetes › Bacteroidia › Bacteroidales › Bacteroidaceae › Bacteroides

Protein attributes

Sequence length	282 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the condensation of pantoate with beta-alanine in an ATP-dependent reaction via a pantoyl-adenylate intermediate By similarity.
Catalytic activity	ATP + (R)-pantoate + beta-alanine = AMP + diphosphate + (R)-pantothenate. HAMAP MF_00158
Pathway	Cofactor biosynthesis; (R)-pantothenate biosynthesis; (R)-pantothenate from (R)-pantoate and beta-alanine: step 1/1. HAMAP MF_00158
Subunit structure	Homodimer By similarity.
Subcellular location	Cytoplasm Potential.
Miscellaneous	The reaction proceeds by a bi uni uni bi ping pong mechanism By similarity.
Sequence similarities	Belongs to the pantothenate synthetase family.

Ontologies

Keywords
Biological process	Pantothenate biosynthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	pantothenate biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW pantoate-beta-alanine ligase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 282	282	Pantothenate synthetase HAMAP MF_00158		PRO_0000305399
Regions
	Nucleotide binding	30 – 37	8	ATP By similarity
	Nucleotide binding	147 – 150	4	ATP By similarity
	Nucleotide binding	184 – 187	4	ATP By similarity
Sites
	Active site	37	1	Proton donor By similarity
	Binding site	61	1	Beta-alanine By similarity
	Binding site	61	1	Pantoate By similarity
	Binding site	153	1	Pantoate By similarity
	Binding site	176	1	ATP; via amide nitrogen and carbonyl oxygen By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q5LGS1-1 [UniParc]. Last modified June 21, 2005. Version 1. Checksum: F2E01A9DA1D47E3F	FASTA	282	31,529
	10 20 30 40 50 60 MKVIHTIKDL QAELSVLKAQ GKKVGLVPTM GALHAGHASL VKRSVNENEV TVVSVFVNPT 70 80 90 100 110 120 QFNDKNDLVK YPRTLDADCK LLEACGATYA FAPSVEEMYP EPDTRQFSYA PLDTVMEGAF 130 140 150 160 170 180 RPGHFNGVCQ IVSKLFEAVK PHRAYFGEKD FQQLAIIREM VRQMQFDLEI VGCPIVREED 190 200 210 220 230 240 GLALSSRNAR LSAEERENAL KISQTLFKSR TFAATHTVSE TLKFVEDAIA AVPGLRLEYF 250 260 270 280 EIVDGNTLQK VDNWNQTSYV VGCITVFCGD VRLIDNIKYK ES

References

[1]

"Extensive DNA inversions in the B. fragilis genome control variable gene expression." Cerdeno-Tarraga A.-M., Patrick S., Crossman L.C., Blakely G., Abratt V., Lennard N., Poxton I., Duerden B., Harris B., Quail M.A., Barron A., Clark L., Corton C., Doggett J., Holden M.T.G., Larke N., Line A., Lord A. , Norbertczak H., Ormond D., Price C., Rabbinowitsch E., Woodward J., Barrell B.G., Parkhill J. Science 307:1463-1465(2005) [PubMed: 15746427] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CR626927 Genomic DNA. Translation: CAH06666.1.
RefSeq	YP_210617.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	Q5LGS1.
Genome annotation databases
GeneID	3289243.
GenomeReviews	Gene locus BF0924 in contig CR626927_GR.
KEGG	bfs:BF0924.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q5LGS1.
OMA	SRNVYLN.
Enzyme and pathway databases
BioCyc	BFRA272559:BF0924-MON.
Family and domain databases
HAMAP	MF_00158. [Tree]
InterPro	IPR003721. Pantoate_ligase. IPR014729. Rossmann-like_a/b/a_fold. [Graphical view]
Gene3D	G3DSA:3.40.50.620. Rossmann-like_a/b/a_fold. 1 hit.
PANTHER	PTHR21299:SF1. Pantoate_ligase. 1 hit.
Pfam	PF02569. Pantoate_ligase. 1 hit. [Graphical view]
TIGRFAMs	TIGR00018. panC. 1 hit.
ProtoNet	Search...

Entry information

Entry name

PANC_BACFN

Accession

Primary (citable) accession number: Q5LGS1

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 2, 2007
Last sequence update:	June 21, 2005
Last modified:	November 3, 2009
This is version 25 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)