Reviewed, UniProtKB/Swiss-Prot Q0AB68 (PANC_ALHEH)

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:	Mlg_0565

Organism

Alkalilimnicola ehrlichei (strain MLHE-1) [Complete proteome] [HAMAP]

Taxonomic identifier

187272 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Chromatiales › Ectothiorhodospiraceae › Alkalilimnicola

Protein attributes

Sequence length	286 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 – 286	286	Pantothenate synthetase HAMAP MF_00158		PRO_0000305389
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)
	Q0AB68-1 [UniParc]. Last modified October 17, 2006. Version 1. Checksum: FEA87BB41CC0AE7B	FASTA	286	31,791
	10 20 30 40 50 60 MKRLKRTADL RALVADWRRE GLRVGLVPTM GNLHEGHLAL AEYLAPHCDR LVTSIFVNPL 70 80 90 100 110 120 QFGPNEDYES YPRTFGEDCA GLEARGVDAV FAPPVEEMYR GGVRQATRVE VGALAERLCG 130 140 150 160 170 180 ISRPGHFTGV ATVVVKLFNL VQPDVAVFGR KDYQQLRVIE QVVSDLNIPV EVRGMPTVRE 190 200 210 220 230 240 PDGLAMSSRN GYLTQQERHI APGLYRTLQG MAKRIRAGDD DYRRLEARGR AMLAEQGFQP 250 260 270 280 DYLEVCRADD LTPAAPGDRG LVVAGAAWLG RARLIDNIEL ELNRDQ

References

[1]

"Complete sequence of Alkalilimnicola ehrilichei MLHE-1." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Sims D., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J. , Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Oremland R.S., Hoeft S.E., Switzer-Blum J., Kulp T., King G., Tabita R., Witte B., Santini J.M., Basu P., Hollibaugh J.T., Xie G., Stolz J.F., Richardson P. Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000453 Genomic DNA. Translation: ABI55919.1.
RefSeq	YP_741409.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	Q0AB68.
Genome annotation databases
GeneID	4270895.
GenomeReviews	Gene locus Mlg_0565 in contig CP000453_GR.
KEGG	aeh:Mlg_0565.
NMPDR	fig|187272.6.peg.538.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q0AB68.
OMA	SRNVYLN.
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_ALHEH

Accession

Primary (citable) accession number: Q0AB68

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 2, 2007
Last sequence update:	October 17, 2006
Last modified:	November 3, 2009
This is version 23 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)