Pseudomonas aeruginosa UCBPP-PA14, PA14_37900 (sppR)

Cytoplasmic Membrane
Outer Membrane
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Gene Feature Overview

Strain Pseudomonas aeruginosa UCBPP-PA14
Locus Tag
Replicon chromosome
Genomic location 3380385 - 3382925 (- strand)
Transposon Mutants 2 transposon mutants in UCBPP-PA14
Transposon Mutants in orthologs 1 transposon mutants in orthologs


RefSeq YP_791181.1
GI 116050006
Entrez 4382347
NCBI Locus Tag PA14_37900


Feature Type CDS
Coding Frame 1
Product Name
TonB-dependent receptor, SppR
Product Name Confidence: Class 1
Evidence for Translation
Charge (pH 7) -14.00
Kyte-Doolittle Hydrophobicity Value -0.650
Molecular Weight (kDa) 93.8
Isoelectric Point (pI) 5.08

Subcellular localization

Individual Mappings
Localization Confidence PMID
Outer Membrane Class 3
Additional evidence for subcellular localization

Pathogen Association Analysis

Found in both pathogen and nonpathogenic strains
Hits to this gene were found in 298 genera

Orthologs/Comparative Genomics

Pseudomonas Ortholog Database View orthologs at Pseudomonas Ortholog Database
Pseudomonas Ortholog Group POG003392 (321 members)
Putative Inparalogs None Found


STRING database Search for predicted protein-protein interactions using:
Search term: PA14_37900
Search term: sppR

Transposon Insertions in UCBPP-PA14

Type MAR2xT7 transposon (wild type background) insertion site
Mutant ID PA14NR: 23493
Genomic Position 3381879
Position in ORF 1495(2541)
Reference 16477005
Type MAR2xT7 transposon (wild type background) insertion site
Mutant ID PA14NR: 25674
Genomic Position 3380440
Position in ORF 56(2541)
Reference 16477005

Transposon Insertions in Orthologs

Type ISlacZ/hah insertion site
Strain Pseudomonas aeruginosa PAO1 (Reference)
Locus Tag PA2057
Mutant ID UWGC: 14835
Genomic Position 2253456
Position in ORF 2182(2541)
Reference 14617778


Swarming motility is modulated by expression of the putative xenosiderophore transporter SppR-SppABCD in Pseudomonas aeruginosa PA14.
Pletzer D(1,)(2), Braun Y(3), Weingart H(3).
Antonie Van Leeuwenhoek. 2016 Jun;109(6):737-53.
PubMed ID: 26995781