Viral attachment to host cell pilus (kw:KW-1175)

Pili are proteic retractile filaments up to 20 micrometer long that protrude from gram-negative bacteria. Some RNA and DNA bacteriophages use pili to attach to the host cell.

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There are many types of pili and each bacterial virus binds specifically to a precise type. Some filamentous viruses like bacteriophage fd adsorb onto the tip of F-pili and enter the cell at the pili basal pore. Other filamentous phages can target I-pili (phage If1), N-pili (phage IKe), or type IV pili (e.g. bacteriophages Pf1 and Pf3) . Icosahedral virus usually adsorb onto the sides the pili.

Viral molecular biology Virion
Virus entry
Virus latency
Transcription and replication
Host-virus interactions
Virus exit
Links Uniprot Keyword: KW-1175
GO ontology:GO:0039666
Virus Pseudomonas phage Phi6 (Cystoviridae, Cystovirus )
Enterobacteria phage phiKMV (Podoviridae, phiKMV-like viruses)
Enterobacteria phages R17 and Qbeta (Leviviridae, Levivirus )
Enterobacteria phages M13, f1 and fd (Inoviridae, Inovirus )
Pseudomonas phages Pf1 and Pf3 (Inoviridae, Inovirus )
Enterobacteria phage IKe (Inoviridae, Inovirus )
Pseudomonas phages D3112 and B3 (Siphoviridae )

Matching UniProtKB/Swiss-Prot entries

(all links/actions below point to uniprot.org website)

17 entries grouped by strain

1 entry

Enterobacteria phage GA (Bacteriophage GA) reference strain

MATA_BPGA Maturation protein A (MP) (Assembly protein) (A protein)

1 entry

Enterobacteria phage I2-2 (Bacteriophage I2-2) reference strain

G3P_BPI22 Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

1 entry

Enterobacteria phage M13 (Bacteriophage M13) reference strain

G3P_BPM13 Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

pdb 1G3P; 1TOL; 8IXK

1 entry

Enterobacteria phage SP (Bacteriophage SP) reference strain

MATA2_BPSP Maturation protein A2 (MP) (A2) (Assembly protein) (A protein)

1 entry

Enterobacteria phage f1 (Bacteriophage f1) reference strain

G3P_BPF1 Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

pdb 8B3O

1 entry

Escherichia phage If1 (Bacteriophage If1) reference strain

G3P_BPIF1 Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

pdb 2X9A; 2X9B

1 entry

Escherichia phage MS2 (Bacteriophage MS2) reference strain

MATA_BPMS2 Maturation protein A (MP) (Assembly protein) (A protein)

pdb 5TC1; 6NM5

1 entry

Pseudomonas phage PP7 (Bacteriophage PP7) reference strain

MATA_BPPP7 Maturation protein A (MP) (Assembly protein) (A protein)

1 entry

Pseudomonas phage Pf1 (Bacteriophage Pf1) reference strain

G3P_BPPF1 Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

1 entry

Pseudomonas phage Pf3 (Bacteriophage Pf3) reference strain

G3P_BPPF3 Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

1 entry

Pseudomonas phage phi6 (Bacteriophage phi-6) reference strain

P3_BPPH6 Spike protein P3

1 entry

Qbeta virus (strain MX1) reference strain

MATA2_BPMX1 Maturation protein A2 (MP) (A2) (Assembly protein) (A protein)

1 entry

Salmonella phage IKe (Bacteriophage IKe) reference strain

G3P_BPIKE Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

pdb 4EO0; 4EO1

1 entry

Xanthomonas phage phiLf (Bacteriophage phi-Lf) reference strain

G3P_BPPHL Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

1 entry

Enterobacteria phage fd (Bacteriophage fd)

G3P_BPFD Attachment protein G3P (Gene 3 protein) (G3P) (Minor coat protein)

pdb 1FGP; 2G3P; 3DGS; 3KNQ

1 entry

Enterobacteria phage fr (Bacteriophage fr)

MATA_BPFR Maturation protein A (MP) (Assembly protein) (A protein)

1 entry

Escherichia virus Qbeta (Bacteriophage Q-beta)

MATA2_BPQBE Maturation protein A2 (MP) (A2 protein)

pdb 5MNT; 5VLZ; 5VM7; 7LHD