Q81WE6 (LSPA_BACAN) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Lipoprotein signal peptidase
EC=3.4.23.36

Alternative name(s):
Prolipoprotein signal peptidase
Signal peptidase II
Short name=SPase II

Gene names

Name:	lspA
Ordered Locus Names:	BA_4032, GBAA_4032, BAS3744

Organism

Bacillus anthracis

Taxonomic identifier

1392 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Bacillaceae › Bacillus › Bacillus cereus group

Protein attributes

Sequence length	152 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	This protein specifically catalyzes the removal of signal peptides from prolipoproteins By similarity. HAMAP MF_00161
Catalytic activity	Release of signal peptides from bacterial membrane prolipoproteins. Hydrolyzes -Xaa-Yaa-Zaa-|-(S,diacylglyceryl)Cys-, in which Xaa is hydrophobic (preferably Leu), and Yaa (Ala or Ser) and Zaa (Gly or Ala) have small, neutral side chains. HAMAP MF_00161
Pathway	Protein modification; lipoprotein biosynthesis (signal peptide cleavage). HAMAP MF_00161
Subcellular location	Cell membrane; Multi-pass membrane protein By similarity HAMAP MF_00161.
Sequence similarities	Belongs to the peptidase A8 family.

Ontologies

Keywords
Cellular component	Cell membrane Membrane
Domain	Transmembrane Transmembrane helix
Molecular function	Aspartyl protease Hydrolase Protease
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	proteolysis Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membrane Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	aspartic-type endopeptidase activity Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 152	152	Lipoprotein signal peptidase HAMAP MF_00161		PRO_0000289349
Regions
	Transmembrane	55 – 75	21	Helical; Potential
	Transmembrane	85 – 105	21	Helical; Potential
	Transmembrane	124 – 144	21	Helical; Potential
Sites
	Active site	102	1	By similarity
	Active site	129	1	By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q81WE6 [UniParc]. Last modified June 1, 2003. Version 1. Checksum: 41C904776D2882E3	FASTA	152	17,454
	10 20 30 40 50 60 MIYYVIALFV IAIDQISKWL IVKNMELGTS IPIIDNVLYI TSHRNRGAAW GILENKMWFF 70 80 90 100 110 120 YIITVVFVVF IVFYMKKYAK TDKLLGISLG LILGGAIGNF IDRVFRQEVV DFIHVYIFSY 130 140 150 NYPVFNIADS ALCIGVVLII IQTLLEGKKT KE

References

[1]	"The genome sequence of Bacillus anthracis Ames and comparison to closely related bacteria." Read T.D., Peterson S.N., Tourasse N.J., Baillie L.W., Paulsen I.T., Nelson K.E., Tettelin H., Fouts D.E., Eisen J.A., Gill S.R., Holtzapple E.K., Okstad O.A., Helgason E., Rilstone J., Wu M., Kolonay J.F., Beanan M.J., Dodson R.J. , Brinkac L.M., Gwinn M.L., DeBoy R.T., Madpu R., Daugherty S.C., Durkin A.S., Haft D.H., Nelson W.C., Peterson J.D., Pop M., Khouri H.M., Radune D., Benton J.L., Mahamoud Y., Jiang L., Hance I.R., Weidman J.F., Berry K.J., Plaut R.D., Wolf A.M., Watkins K.L., Nierman W.C., Hazen A., Cline R.T., Redmond C., Thwaite J.E., White O., Salzberg S.L., Thomason B., Friedlander A.M., Koehler T.M., Hanna P.C., Kolstoe A.-B., Fraser C.M. Nature 423:81-86(2003) [PubMed: 12721629] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Ames / isolate Porton.
[2]	"Complete genome sequence of Bacillus anthracis Sterne." Brettin T.S., Bruce D., Challacombe J.F., Gilna P., Han C., Hill K., Hitchcock P., Jackson P., Keim P., Longmire J., Lucas S., Okinaka R., Richardson P., Rubin E., Tice H. Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Sterne.
[3]	"Bacillus anthracis comparative genomics." Ravel J., Rasko D.A., Shumway M.F., Jiang L., Cer R.Z., Federova N.B., Wilson M., Stanley S., Decker S., Read T.D., Salzberg S.L., Fraser C.M. Submitted (MAY-2004) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Ames ancestor.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE016879 Genomic DNA. Translation: AAP27758.1. AE017225 Genomic DNA. Translation: AAT56046.1. AE017334 Genomic DNA. Translation: AAT33149.1.
RefSeq	NP_846272.1. NC_003997.3. YP_020674.1. NC_007530.2. YP_029995.1. NC_005945.1.
3D structure databases
ModBase	Search...
Protein family/group databases
MEROPS	A08.001.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBBACT00000012459; EBBACP00000012215; EBBACG00000012451. EBBACT00000013838; EBBACP00000013459; EBBACG00000013830. EBBACT00000019489; EBBACP00000018974; EBBACG00000019480.
GeneID	1086123. 2819226. 2850596.
GenomeReviews	Gene locus BA_4032 in contig AE016879_GR. Gene locus BAS3744 in contig AE017225_GR. Gene locus GBAA_4032 in contig AE017334_GR.
KEGG	ban:BA_4032. bar:GBAA_4032. bat:BAS3744.
TIGR	BA_4032. GBAA_4032.
Phylogenomic databases
GeneTree	EBGT00050000001848.
HOGENOM	HBG724422.
OMA	SKFLILQ.
ProtClustDB	PRK00376.
Enzyme and pathway databases
BioCyc	BANT260799:BAS3744-MONOMER. BANT261594:GBAA4032-MONOMER.
Family and domain databases
HAMAP	MF_00161. LspA. [Tree]
InterPro	IPR001872. Peptidase_A8. [Graphical view]
KO	K03101.
Pfam	PF01252. Peptidase_A8. 1 hit. [Graphical view]
PRINTS	PR00781. LIPOSIGPTASE.
TIGRFAMs	TIGR00077. LspA. 1 hit.
PROSITE	PS00855. SPASE_II. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

LSPA_BACAN

Accession

Primary (citable) accession number: Q81WE6
Secondary accession number(s): Q6HUJ3, Q6KNS9

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 29, 2007
Last sequence update:	June 1, 2003
Last modified:	November 16, 2011
This is version 68 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program