phiX174

Complete annotated DNA sequence of bacteriophage phiX174.
|Download SnapGene Viewer
Explore Over 2.7k Plasmids: Basic Cloning Vectors | More Plasmid Sets
No matches
BssHII (5348) DraIII (5188) DrdI (5177) BaeGI - Bme1580I (4783) ApaLI (4779) TaqII (4618) BsiEI (4604) StuI (4488) MfeI (3939) BspQI - SapI (3752) CsiI - SexAI * (3499) AleI (2916) SacII (2862) AatII (2786) PstI (0) FspI (157) AvaI - BsoBI - PaeR7I - XhoI (162) BsrBI (532) SspI (1009) PshAI (1698) AhdI (1765) BtsI - BtsαI (2210) PsiI (2306) ZraI (2784) Φ X174 5386 bp
BssHII  (5348)
1 site
G C G C G C C G C G C G

BssHII is typically used at 50°C, but is 75% active at 37°C.
DraIII  (5188)
1 site
C A C N N N G T G G T G N N N C A C

Sticky ends from different DraIII sites may not be compatible.
DrdI  (5177)
1 site
G A C N N N N N N G T C C T G N N N N N N C A G

Sticky ends from different DrdI sites may not be compatible.
BaeGI  (4783)
1 site
G K G C M C C M C G K G

Sticky ends from different BaeGI sites may not be compatible.
Bme1580I  (4783)
1 site
G K G C M C C M C G K G

Sticky ends from different Bme1580I sites may not be compatible.
ApaLI  (4779)
1 site
G T G C A C C A C G T G
TaqII  (4618)
1 site
G A C C G A ( N ) 9 N N C T G G C T ( N ) 9

Sticky ends from different TaqII sites may not be compatible.
BsiEI  (4604)
1 site
C G R Y C G G C Y R G C

Sticky ends from different BsiEI sites may not be compatible.
StuI  (4488)
1 site
A G G C C T T C C G G A
MfeI  (3939)
1 site
C A A T T G G T T A A C
BspQI  (3752)
1 site
G C T C T T C N C G A G A A G N N N N

Sticky ends from different BspQI sites may not be compatible.
SapI  (3752)
1 site
G C T C T T C N C G A G A A G N N N N

Sticky ends from different SapI sites may not be compatible.
SapI gradually settles in solution, so a tube of SapI should be mixed before removing an aliquot.
CsiI  (3499)
1 site
A C C W G G T T G G W C C A

Sticky ends from different CsiI sites may not be compatible.
SexAI  (3499)
1 site
A C C W G G T T G G W C C A
* Blocked by Dcm methylation.
Sticky ends from different SexAI sites may not be compatible.
AleI  (2916)
1 site
C A C N N N N G T G G T G N N N N C A C
SacII  (2862)
1 site
C C G C G G G G C G C C

Efficient cleavage requires at least two copies of the SacII recognition sequence.
AatII  (2786)
1 site
G A C G T C C T G C A G
PstI  (0)
1 site
C T G C A G G A C G T C
FspI  (157)
1 site
T G C G C A A C G C G T
AvaI  (162)
1 site
C Y C G R G G R G C Y C

Sticky ends from different AvaI sites may not be compatible.
BsoBI  (162)
1 site
C Y C G R G G R G C Y C

Sticky ends from different BsoBI sites may not be compatible.
BsoBI is typically used at 37°C, but can be used at temperatures up to 65°C.
PaeR7I  (162)
1 site
C T C G A G G A G C T C

PaeR7I does not recognize the sequence CTCTCGAG.
XhoI  (162)
1 site
C T C G A G G A G C T C
BsrBI  (532)
1 site
C C G C T C G G C G A G

This recognition sequence is asymmetric, so ligating blunt ends generated by BsrBI will not always regenerate a BsrBI site.
BsrBI is typically used at 37°C, but can be used at temperatures up to 50°C.
SspI  (1009)
1 site
A A T A T T T T A T A A
PshAI  (1698)
1 site
G A C N N N N G T C C T G N N N N C A G

PshAI quickly loses activity at 37°C, but can be used at 25°C for long incubations.
AhdI  (1765)
1 site
G A C N N N N N G T C C T G N N N N N C A G

The 1-base overhangs produced by AhdI may be hard to ligate.
Sticky ends from different AhdI sites may not be compatible.
BtsI  (2210)
1 site
G C A G T G N N C G T C A C
BtsαI  (2210)
1 site
G C A G T G N N C G T C A C

Sticky ends from different BtsαI sites may not be compatible.
PsiI  (2306)
1 site
T T A T A A A A T A T T
ZraI  (2784)
1 site
G A C G T C C T G C A G
F
358 .. 3975  =  3618 bp
F
358 .. 3975  =  3618 bp
A
3981 .. 5386  =  1406 bp
468 amino acids  =  53.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: DNA replication initiation protein gpA
Function: viral strand synthesis
rf replication
A
3981 .. 5386  =  1406 bp
468 amino acids  =  53.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: DNA replication initiation protein gpA
Function: viral strand synthesis
rf replication
A
1 .. 136  =  136 bp
44 amino acids  =  4.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: DNA replication initiation protein gpA
Function: viral strand synthesis
rf replication
A
1 .. 136  =  136 bp
44 amino acids  =  4.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: DNA replication initiation protein gpA
Function: viral strand synthesis
rf replication
F
1001 .. 2284  =  1284 bp
427 amino acids  =  48.5 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: capsid protein
60 copies of protein F form the icosahedral capsid of Microviruses. other names: protein F, gpF; function: phage structural protein
F
1001 .. 2284  =  1284 bp
427 amino acids  =  48.5 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: capsid protein
60 copies of protein F form the icosahedral capsid of Microviruses. other names: protein F, gpF; function: phage structural protein
A
4497 .. 5386  =  890 bp
296 amino acids  =  33.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: protein A*
Function: shut off host DNA synthesis
Synthesized from the larger A gene by internal translation initiation in the same frame as protein A. May be involved in host DNA replication shut off.
A
4497 .. 5386  =  890 bp
296 amino acids  =  33.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: protein A*
Function: shut off host DNA synthesis
Synthesized from the larger A gene by internal translation initiation in the same frame as protein A. May be involved in host DNA replication shut off.
A
1 .. 136  =  136 bp
44 amino acids  =  4.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: protein A*
Function: shut off host DNA synthesis
Synthesized from the larger A gene by internal translation initiation in the same frame as protein A. May be involved in host DNA replication shut off.
A
1 .. 136  =  136 bp
44 amino acids  =  4.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: protein A*
Function: shut off host DNA synthesis
Synthesized from the larger A gene by internal translation initiation in the same frame as protein A. May be involved in host DNA replication shut off.
H
2931 .. 3917  =  987 bp
328 amino acids  =  34.4 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: minor spike protein
Function: adsorption
One molecule of protein H is located at each of the 12 vertices with 5-fold symmetry.  Binds to LPS and is involved in particle adsorption to host cells.  Several protein H molecules enter the host cytoplasm with the phage genome. other names: protein H, gpH, DNA pilot protein; function: phage minor structural protein, adsorption, DNA injection
H
2931 .. 3917  =  987 bp
328 amino acids  =  34.4 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: minor spike protein
Function: adsorption
One molecule of protein H is located at each of the 12 vertices with 5-fold symmetry.  Binds to LPS and is involved in particle adsorption to host cells.  Several protein H molecules enter the host cytoplasm with the phage genome. other names: protein H, gpH, DNA pilot protein; function: phage minor structural protein, adsorption, DNA injection
D
358 .. 991  =  634 bp
D
358 .. 991  =  634 bp
G
2395 .. 2922  =  528 bp
175 amino acids  =  19.0 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: major spike protein
A total of 60 copies of protein G are present at the 12 vertices with 5-fold symmetry of Microvirus capsids. other names: protein G, gpG; function: phage minor structural protein
G
2395 .. 2922  =  528 bp
175 amino acids  =  19.0 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: major spike protein
A total of 60 copies of protein G are present at the 12 vertices with 5-fold symmetry of Microvirus capsids. other names: protein G, gpG; function: phage minor structural protein
origin of viral strand synthesis
4306 .. 4306  =  1 bp
origin of viral strand synthesis
origin of viral strand synthesis
4306 .. 4306  =  1 bp
origin of viral strand synthesis
D
390 .. 848  =  459 bp
152 amino acids  =  16.9 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: external scaffolding protein
Function: capsid morphogenesis
240 molecules of protein D form an external scaffold required for the formation of Microvirus procapsid. Not present in mature particles. other names: protein D, gpD; function: morphogenesis
D
390 .. 848  =  459 bp
152 amino acids  =  16.9 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: external scaffolding protein
Function: capsid morphogenesis
240 molecules of protein D form an external scaffold required for the formation of Microvirus procapsid. Not present in mature particles. other names: protein D, gpD; function: morphogenesis
B
5075 .. 5386  =  312 bp
104 amino acids  =  11.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: internal scaffolding protein
Function: capsid morphogenesis
Protein B is required for the assembly of the basic building block of the Microvirus capsid and is incorporated into the procapsid.  Protein B is displaced by the protein J/ssDNA complex during assembly and is therefore not part of the mature virion. Other names: protein B, gpB. Function: morphogenesis.
B
5075 .. 5386  =  312 bp
104 amino acids  =  11.8 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: internal scaffolding protein
Function: capsid morphogenesis
Protein B is required for the assembly of the basic building block of the Microvirus capsid and is incorporated into the procapsid.  Protein B is displaced by the protein J/ssDNA complex during assembly and is therefore not part of the mature virion. Other names: protein B, gpB. Function: morphogenesis.
B
1 .. 51  =  51 bp
16 amino acids  =  2.0 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: internal scaffolding protein
Function: capsid morphogenesis
Protein B is required for the assembly of the basic building block of the Microvirus capsid and is incorporated into the procapsid.  Protein B is displaced by the protein J/ssDNA complex during assembly and is therefore not part of the mature virion. Other names: protein B, gpB. Function: morphogenesis.
B
1 .. 51  =  51 bp
16 amino acids  =  2.0 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: internal scaffolding protein
Function: capsid morphogenesis
Protein B is required for the assembly of the basic building block of the Microvirus capsid and is incorporated into the procapsid.  Protein B is displaced by the protein J/ssDNA complex during assembly and is therefore not part of the mature virion. Other names: protein B, gpB. Function: morphogenesis.
E
568 .. 843  =  276 bp
91 amino acids  =  10.6 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: cell lysis protein
Function: cell lysis
Microvirus cell lysis protein is a membrane protein that inhibits MraY, an enzyme required for murein synthesis, and promotes cell lysis in a manner analogous to cell wall synthesis inhibitors like penicillin.  A host factor (slyD) is required for stability of protein E. other names: protein E, gpE; function: phage release by lysis
E
568 .. 843  =  276 bp
91 amino acids  =  10.6 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: cell lysis protein
Function: cell lysis
Microvirus cell lysis protein is a membrane protein that inhibits MraY, an enzyme required for murein synthesis, and promotes cell lysis in a manner analogous to cell wall synthesis inhibitors like penicillin.  A host factor (slyD) is required for stability of protein E. other names: protein E, gpE; function: phage release by lysis
phiX174p05
133 .. 393  =  261 bp
86 amino acids  =  10.1 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: C
DNA maturation
phiX174p05
133 .. 393  =  261 bp
86 amino acids  =  10.1 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: C
DNA maturation
J
848 .. 964  =  117 bp
38 amino acids  =  4.2 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: DNA packaging protein
core protein; Protein J binds to ssDNA Microvirus genomes and is packaged with the DNA into procapsids. During packaging it displaces the internal scaffold protein. other names: core protein, protein J; function: DNA packaging, DNA binding
J
848 .. 964  =  117 bp
38 amino acids  =  4.2 kDa
Genetic Code:  Bacterial, Archaeal and Plant Plastid
Product: DNA packaging protein
core protein; Protein J binds to ssDNA Microvirus genomes and is packaged with the DNA into procapsids. During packaging it displaces the internal scaffold protein. other names: core protein, protein J; function: DNA packaging, DNA binding
ORF:  133 .. 393  =  261 bp
ORF:  86 amino acids  =  10.1 kDa
ORF:  568 .. 843  =  276 bp
ORF:  91 amino acids  =  10.6 kDa
ORF:  2395 .. 2922  =  528 bp
ORF:  175 amino acids  =  19.0 kDa
ORF:  3076 .. 3684  =  609 bp
ORF:  202 amino acids  =  24.0 kDa
ORF:  3946 .. 4263  =  318 bp
ORF:  105 amino acids  =  12.1 kDa
ORF:  4621 .. 4857  =  237 bp
ORF:  78 amino acids  =  8.6 kDa
ORF:  1001 .. 2284  =  1284 bp
ORF:  427 amino acids  =  48.5 kDa
ORF:  5075 .. 51  =  363 bp
ORF:  120 amino acids  =  13.8 kDa
ORF:  390 .. 848  =  459 bp
ORF:  152 amino acids  =  16.9 kDa
ORF:  1998 .. 2234  =  237 bp
ORF:  78 amino acids  =  9.0 kDa
ORF:  2931 .. 3917  =  987 bp
ORF:  328 amino acids  =  34.4 kDa
ORF:  3954 .. 136  =  1569 bp
ORF:  522 amino acids  =  59.7 kDa
ORF:  818 .. 1051  =  234 bp
ORF:  77 amino acids  =  8.7 kDa
ORF:  1094 .. 1651  =  558 bp
ORF:  185 amino acids  =  21.0 kDa
ORF:  1772 .. 2167  =  396 bp
ORF:  131 amino acids  =  15.7 kDa
ORF:  2518 .. 2742  =  225 bp
ORF:  74 amino acids  =  8.4 kDa
ORF:  3921 .. 4211  =  291 bp
ORF:  96 amino acids  =  11.2 kDa
Click here to try SnapGene

Download phiX174.dna file

SnapGene

SnapGene is the easiest way to plan, visualize and document your everyday molecular biology procedures

  • Fast accurate construct design for all major molecular cloning techniques
  • Validate sequenced constructs using powerful alignment tools
  • Customize plasmid maps with flexible annotation and visualization controls
  • Automatically generate a rich graphical history of every edit and procedure

SnapGene Viewer

SnapGene Viewer is free software that allows molecular biologists to create, browse, and share richly annotated sequence files.

  • Gain unparalleled visibility of your plasmids, DNA and protein sequences
  • Annotate features on your plasmids using the curated feature database
  • Store, search, and share your sequences, files and maps

Individual Sequences & Maps

The maps, notes, and annotations in the zip file on this page are copyrighted material. This material may be used without restriction by academic, nonprofit, and governmental entities, except that the source must be cited as ’’www.snapgene.com/resources’’. Commercial entities must contact GSL Biotech LLC for permission and terms of use.

Discover the most user-friendly molecular biology experience.