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Protein

Capsid protein G8P

Gene

VIII

Organism
Pseudomonas phage Pf1 (Bacteriophage Pf1)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at protein leveli

Functioni

Self assembles to form a helical capsid wrapping up the viral genomic DNA. The capsid displays a filamentous structure with a length of 760-1950 nm and a width of 6-8 nm. The virion assembly and budding take place at the host inner membrane (By similarity).By similarity

Names & Taxonomyi

Protein namesi
Recommended name:
Capsid protein G8P
Alternative name(s):
Coat protein B
Gene 8 protein
Short name:
G8P
Major coat protein
Gene namesi
Name:VIII
OrganismiPseudomonas phage Pf1 (Bacteriophage Pf1)
Taxonomic identifieri10871 [NCBI]
Taxonomic lineageiVirusesssDNA virusesInoviridaeInovirus
Virus hostiPseudomonas aeruginosa [TaxID: 287]
Proteomesi
  • UP000002121 Componenti: Genome

Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini29 – 57PeriplasmicSequence analysisAdd BLAST29
Transmembranei58 – 78HelicalAdd BLAST21
Topological domaini79 – 82CytoplasmicSequence analysis4

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Capsid protein, Helical capsid protein, Host membrane, Membrane, Virion

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 28Add BLAST28
ChainiPRO_000000330229 – 82Capsid protein G8PAdd BLAST54

Interactioni

Subunit structurei

Homomultimerizes. There are several thousands of this protein in the phage capsid (By similarity).By similarity

Structurei

Secondary structure

182
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi39 – 51Combined sources13
Helixi53 – 81Combined sources29

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1IFMfiber diffraction3.30A37-82[»]
1IFNfiber diffraction4.00A37-82[»]
1PFIfiber diffraction3.00A/B37-82[»]
1PJFNMR-A37-82[»]
1QL1fiber diffraction3.10A37-82[»]
1QL2fiber diffraction3.10A/B/C37-82[»]
1ZN5NMR-A37-82[»]
2IFMfiber diffraction3.30A37-82[»]
2IFNfiber diffraction4.00A37-82[»]
2KLVNMR-A37-82[»]
2KSJOther-A37-82[»]
2XKMOther3.30A37-82[»]
3IFMfiber diffraction3.30A37-82[»]
4IFMfiber diffraction3.30A37-82[»]
ProteinModelPortaliP03621.
SMRiP03621.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP03621.

Family & Domainsi

Sequence similaritiesi

Belongs to the inovirus capsid protein family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Family and domain databases

InterProiIPR008020. G8P.
[Graphical view]
PfamiPF05356. Phage_Coat_B. 1 hit.
[Graphical view]
ProDomiPD059964. Phage_coat_B. 1 hit.
[Graphical view] [Entries sharing at least one domain]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P03621-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKAMKQRIAK FSPVASFRNL CIAGSVTAAT SLPAFAGVID TSAVESAITD
60 70 80
GQGDMKAIGG YIVGALVILA VAGLIYSMLR KA
Length:82
Mass (Da):8,377
Last modified:May 1, 1992 - v2
Checksum:i25FD055DA4661504
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti45E → Q AA sequence (PubMed:1110754).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X52107 Genomic DNA. Translation: CAA36331.1.
PIRiA04229. VCBPPF.
S15143.
RefSeqiNP_039603.1. NC_001331.1.

Genome annotation databases

GeneIDi1260711.
KEGGivg:1260711.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X52107 Genomic DNA. Translation: CAA36331.1.
PIRiA04229. VCBPPF.
S15143.
RefSeqiNP_039603.1. NC_001331.1.

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1IFMfiber diffraction3.30A37-82[»]
1IFNfiber diffraction4.00A37-82[»]
1PFIfiber diffraction3.00A/B37-82[»]
1PJFNMR-A37-82[»]
1QL1fiber diffraction3.10A37-82[»]
1QL2fiber diffraction3.10A/B/C37-82[»]
1ZN5NMR-A37-82[»]
2IFMfiber diffraction3.30A37-82[»]
2IFNfiber diffraction4.00A37-82[»]
2KLVNMR-A37-82[»]
2KSJOther-A37-82[»]
2XKMOther3.30A37-82[»]
3IFMfiber diffraction3.30A37-82[»]
4IFMfiber diffraction3.30A37-82[»]
ProteinModelPortaliP03621.
SMRiP03621.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi1260711.
KEGGivg:1260711.

Miscellaneous databases

EvolutionaryTraceiP03621.

Family and domain databases

InterProiIPR008020. G8P.
[Graphical view]
PfamiPF05356. Phage_Coat_B. 1 hit.
[Graphical view]
ProDomiPD059964. Phage_coat_B. 1 hit.
[Graphical view] [Entries sharing at least one domain]
ProtoNetiSearch...

Entry informationi

Entry nameiCAPSD_BPPF1
AccessioniPrimary (citable) accession number: P03621
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: May 1, 1992
Last modified: November 30, 2016
This is version 106 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.