Reviewed, UniProtKB/Swiss-Prot Q8K9U7 (PANC_BUCAP)

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:	BUsg_190

Organism

Buchnera aphidicola subsp. Schizaphis graminum [Complete proteome] [HAMAP]

Taxonomic identifier

98794 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Buchnera

Protein attributes

Sequence length	285 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; pantothenate biosynthesis; pantothenate from beta-alanine and pantoate: 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 – 285	285	Pantothenate synthetase HAMAP MF_00158		PRO_0000128213
Regions
	Nucleotide binding	30 – 37	8	ATP By similarity
	Nucleotide binding	149 – 152	4	ATP By similarity
	Nucleotide binding	186 – 189	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	155	1	Pantoate By similarity
	Binding site	178	1	ATP; via amide nitrogen and carbonyl oxygen By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q8K9U7-1 [UniParc]. Last modified October 1, 2002. Version 1. Checksum: 28DEE9F09FE84B53	FASTA	285	32,965
	10 20 30 40 50 60 MNIIKNINLL EKKIKELKKK NKIIGLVPTM GNLHDGHIKL ILLAKKNVDI VIVSIFINPM 70 80 90 100 110 120 QFEDLLDLKK YPKTFEQDCC ILKQEKVEIL FCPDVNEMYP LGLKNHTYID VPKLSKIIEG 130 140 150 160 170 180 KVRPGHFIGV TTIVCKLFNL IQPNFSFFGE KDYQQLLIIK KLVKELNYPI KIISLPIIRL 190 200 210 220 230 240 KNGLAFSSRN KHLSDLAQQK ASYLYQAIKQ TCNFIKNNNG KNIKKNIHTS RKYLIKKGFY 250 260 270 280 IDIFNAYDSK TLDPISKDSK NIIIIASVWL GKIRLIDNKK IILRD

References

[1]

"50 million years of genomic stasis in endosymbiotic bacteria." Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S., Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E. Science 296:2376-2379(2002) [PubMed: 12089438] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE013218 Genomic DNA. Translation: AAM67755.1.
RefSeq	NP_660544.1.
3D structure databases
HSSP	HSSP built from PDB template 1IHO based on UniProtKB P31663.
ModBase	Search...
Genome annotation databases
GeneID	1005387.
GenomeReviews	Gene locus BUsg_190 in contig AE013218_GR.
KEGG	bas:BUsg190.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q8K9U7.
OMA	Q8K9U7. MISAENT.
Enzyme and pathway databases
BioCyc	BAPH198804:BUSG190-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_BUCAP

Accession

Primary (citable) accession number: Q8K9U7

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 15, 2002
Last sequence update:	October 1, 2002
Last modified:	June 16, 2009
This is version 39 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)