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Protein

Baseplate protein gp9

Gene

9

Organism
Enterobacteria phage T4 (Bacteriophage T4)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Peripheral baseplate protein that is part of the tail fiber network (PubMed:10545330, PubMed:27193680). Connects the long tail fibers to the baseplate and, after virus attachment to a host cell, probably changes its conformation to trigger the signal for tail contraction (PubMed:10545330). Involved in the tail assembly (PubMed:21129200).1 Publication2 Publications

GO - Biological processi

Keywordsi

Biological processViral release from host cell, Viral tail assembly

Protein family/group databases

TCDBi1.K.1.1.1 the gp27/5 t4-baseplate (t4-bp) family

Names & Taxonomyi

Protein namesi
Recommended name:
Baseplate protein gp9Curated
Alternative name(s):
Gene product 9Curated
Short name:
gp9
Gene namesi
Name:9
OrganismiEnterobacteria phage T4 (Bacteriophage T4)
Taxonomic identifieri10665 [NCBI]
Taxonomic lineageiVirusesdsDNA viruses, no RNA stageCaudoviralesMyoviridaeTevenvirinaeT4virus
Virus hostiEscherichia coli [TaxID: 562]
Proteomesi
  • UP000009087 Componenti: Genome

Subcellular locationi

GO - Cellular componenti

  • virion Source: CACAO
  • virus tail, baseplate Source: UniProtKB

Keywords - Cellular componenti

Viral baseplate protein, Viral tail protein, Virion

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001649991 – 288Baseplate protein gp9Add BLAST288

Proteomic databases

PRIDEiP10927

Expressioni

Inductioni

Expressed in the late phase of the viral replicative cycle.Curated

Interactioni

Subunit structurei

Homotrimer (PubMed:27193680). The gp9 trimer interacts with the long tail fiber (LTF) that comprises gp34 trimer, gp35, gp36 and a gp37 trimer. Part of the baseplate macromolecular complex which consists of gp5, gp5.4, gp27 (central spike complex); gp6, gp25, gp53 (inner baseplate); gp7, gp8 (intermediate baseplate); gp9, gp10, gp11, gp12 (peripheral); gp48 and gp54 (proximal region of the tail tube).3 Publications

Structurei

Secondary structure

1288
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi15 – 19Combined sources5
Helixi20 – 39Combined sources20
Helixi45 – 49Combined sources5
Beta strandi50 – 53Combined sources4
Helixi74 – 76Combined sources3
Beta strandi84 – 86Combined sources3
Beta strandi90 – 92Combined sources3
Beta strandi94 – 98Combined sources5
Beta strandi106 – 110Combined sources5
Beta strandi118 – 120Combined sources3
Beta strandi122 – 130Combined sources9
Beta strandi134 – 139Combined sources6
Beta strandi144 – 152Combined sources9
Beta strandi154 – 156Combined sources3
Beta strandi159 – 169Combined sources11
Beta strandi176 – 180Combined sources5
Beta strandi185 – 193Combined sources9
Turni194 – 196Combined sources3
Beta strandi198 – 208Combined sources11
Beta strandi214 – 224Combined sources11
Turni225 – 228Combined sources4
Beta strandi229 – 241Combined sources13
Beta strandi243 – 247Combined sources5
Beta strandi251 – 257Combined sources7
Beta strandi260 – 266Combined sources7
Beta strandi268 – 282Combined sources15

3D structure databases

ProteinModelPortaliP10927
SMRiP10927
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP10927

Family & Domainsi

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Coiled coili20 – 801 PublicationAdd BLAST61

Domaini

The C-terminus is bound to the baseplate, and the N-terminus coiled-coil domain is associated with the long tail fibers.

Keywords - Domaini

Coiled coil

Phylogenomic databases

OrthoDBiVOG090000HR

Family and domain databases

Gene3Di2.60.40.1680, 1 hit
InterProiView protein in InterPro
IPR008987 Baseplate_struct_prot_Gp9/10
IPR036240 Gp9-like_sf
IPR027412 Gp9_C_dom_sf
PfamiView protein in Pfam
PF07880 T4_gp9_10, 1 hit
SUPFAMiSSF50017 SSF50017, 1 hit

Sequencei

Sequence statusi: Complete.

P10927-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MFIQEPKKLI DTGEIGNAST GDILFDGGNK INSDFNAIYN AFGDQRKMAV
60 70 80 90 100
ANGTGADGQI IHATGYYQKH SITEYATPVK VGTRHDIDTS TVGVKVIIER
110 120 130 140 150
GELGDCVEFI NSNGSISVTN PLTIQAIDSI KGVSGNLVVT SPYSKVTLRC
160 170 180 190 200
ISSDNSTSVW NYSIESMFGQ KESPAEGTWN ISTSGSVDIP LFHRTEYNMA
210 220 230 240 250
KLLVTCQSVD GRKIKTAEIN ILVDTVNSEV ISSEYAVMRV GNETEEDEIA
260 270 280
NIAFSIKENY VTATISSSTV GMRAAVKVIA TQKIGVAQ
Length:288
Mass (Da):30,997
Last modified:July 1, 1989 - v1
Checksum:i8028FCEBA25BB760
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X14192 Genomic DNA Translation: CAA32395.1
AF158101 Genomic DNA Translation: AAD42520.1
PIRiS04082 GNBPT4
RefSeqiNP_049767.1, NC_000866.4

Genome annotation databases

GeneIDi1258617
KEGGivg:1258617

Similar proteinsi

Entry informationi

Entry nameiBP09_BPT4
AccessioniPrimary (citable) accession number: P10927
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: July 1, 1989
Last modified: May 23, 2018
This is version 103 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references

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