Q64XM3 (PANC_BACFR) Reviewed, UniProtKB/Swiss-Prot

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:	BF1003

Organism

Bacteroides fragilis (strain YCH46) [Complete proteome] [HAMAP]

Taxonomic identifier

295405 [NCBI]

Taxonomic lineage

Bacteria › Bacteroidetes › Bacteroidia › Bacteroidales › Bacteroidaceae › Bacteroides

Protein attributes

Sequence length	282 AA.
Sequence status	Complete.
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. HAMAP MF_00158
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. HAMAP MF_00158
Subcellular location	Cytoplasm Potential HAMAP MF_00158.
Miscellaneous	The reaction proceeds by a bi uni uni bi ping pong mechanism By similarity. HAMAP MF_00158
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: UniProtKB-KW
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: EC
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_0000305398
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)
	Q64XM3 [UniParc]. Last modified October 25, 2004. Version 1. Checksum: 07E01A9DBB647E25	FASTA	282	31,559
	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 TLKFVEDAIT AVPGLRLEYF 250 260 270 280 EIVDGNTLQK VDNWNQTSYV VGCITVFCGD VRLIDNIKYK ES

References

[1]

"Genomic analysis of Bacteroides fragilis reveals extensive DNA inversions regulating cell surface adaptation." Kuwahara T., Yamashita A., Hirakawa H., Nakayama H., Toh H., Okada N., Kuhara S., Hattori M., Hayashi T., Ohnishi Y. Proc. Natl. Acad. Sci. U.S.A. 101:14919-14924(2004) [PubMed: 15466707] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: YCH46.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AP006841 Genomic DNA. Translation: BAD47753.1.
RefSeq	YP_098287.1. NC_006347.1.
3D structure databases
HSSP	HSSP built from PDB template 1IHO based on UniProtKB P31663.
ProteinModelPortal	Q64XM3.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	3081884.
GenomeReviews	Gene locus BF1003 in contig AP006841_GR.
KEGG	bfr:BF1003.
NMPDR	fig|295405.3.peg.1066.
PATRIC	21047758. VBIBacFra17906_1002.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG428839.
OMA	LNMPIQI.
ProtClustDB	PRK00380.
Enzyme and pathway databases
BioCyc	BFRA295405:BF1003-MONOMER.
Family and domain databases
HAMAP	MF_00158. PanC. [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.
KO	K01918.
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_BACFR

Accession

Primary (citable) accession number: Q64XM3

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 2, 2007
Last sequence update:	October 25, 2004
Last modified:	January 25, 2012
This is version 43 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program