Pseudomonas aeruginosa UCBPP-PA14, PA14_01110 (vgrG1a)

Cytoplasmic Membrane
Outer Membrane
View in JBrowse

Gene Feature Overview

Strain Pseudomonas aeruginosa UCBPP-PA14 (Lee et al., 2006)
Locus Tag
Replicon chromosome
Genomic location 108629 - 110560 (+ strand)
Transposon Mutants 1 transposon mutants in UCBPP-PA14
Transposon Mutants in orthologs 48 transposon mutants in orthologs
CommentHcp Secretion Island-I-encoded type VI secretion system (H1-T6SS)


RefSeq YP_788248.1
GI 116053811
Entrez 4383509
NCBI Locus Tag PA14_01110


Feature Type CDS
Coding Frame 1
Product Name
Product Name Confidence: Class 1
Synonyms hypothetical protein
Evidence for Translation
Charge (pH 7) -7.09
Kyte-Doolittle Hydrophobicity Value -0.538
Molecular Weight (kDa) 72041.1
Isoelectric Point (pI) 6.28

Subcellular localization

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

AlphaFold 2 Protein Structure Predictions

Protein structure predictions using a neural network model developed by DeepMind. If a UniProtKB accession is associated with this protein, a search link will be provided below.

PDB 3D Structures

Accession Header Accession Date Compound Source Resolution Method Percent Identity
4MTK TOXIN 09/19/13 Crystal structure of PA0091 VgrG1, the central spike of the Type VI Secretion System Pseudomonas aeruginosa 3.322 X-RAY DIFFRACTION 99.5
6H3N TOXIN 07/19/18 Structure of VgrG1 in the Type VI secretion VgrG1-Tse6-EF-Tu complex embedded in lipid nanodiscs Pseudomonas aeruginosa PAO1 3.25 ELECTRON MICROSCOPY 99.5
4UHV STRUCTURAL PROTEIN 03/25/15 The structure of VgrG1, the needle tip of the bacterial Type VI Secretion System PSEUDOMONAS AERUGINOSA 2 X-RAY DIFFRACTION 99.5
6H3L TOXIN 07/19/18 Structure of VgrG1 in the Type VI secretion pre-firing VgrG1-Tse6-EagT6-EF-Tu-Tsi6 complex Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) 4.2 ELECTRON MICROSCOPY 99.5

Pathogen Association Analysis

Found in both pathogen and nonpathogenic strains
Hits to this gene were found in 156 genera

Orthologs/Comparative Genomics

Pseudomonas Ortholog Database View orthologs at Pseudomonas Ortholog Database
Pseudomonas Ortholog Group POG000090 (3342 members)
Putative Inparalogs None Found


STRING database Search for predicted protein-protein interactions using:
Search term: PA14_01110
Search term: vgrG1a
Search term: VgrG1a

Human Homologs


Type VI secretion system in Pseudomonas aeruginosa: secretion and multimerization of VgrG proteins.
Hachani A, Lossi NS, Hamilton A, Jones C, Bleves S, Albesa-Jové D, Filloux A
J Biol Chem 2011 Apr 8;286(14):12317-27
PubMed ID: 21325275
RsmA and AmrZ orchestrate the assembly of all three type VI secretion systems in Pseudomonas aeruginosa.
Allsopp LP, Wood TE, Howard SA, Maggiorelli F, Nolan LM, Wettstadt S, Filloux A
Proc Natl Acad Sci U S A 2017 Jul 18;114(29):7707-7712
PubMed ID: 28673999