MobA/MobL family; This family includes of the MobA protein from the E. coli plasmid RSF1010, ...
17-218
3.52e-44
MobA/MobL family; This family includes of the MobA protein from the E. coli plasmid RSF1010, and the MobL protein from the Thiobacillus ferrooxidans plasmid PTF1. These sequences are mobilization proteins, which are essential for specific plasmid transfer.
The actual alignment was detected with superfamily member pfam03389:
Pssm-ID: 427275 [Multi-domain] Cd Length: 217 Bit Score: 157.85 E-value: 3.52e-44
RepB DNA-primase from phage plasmid; RepB_primase is a DNA-primase produced by P4-like phages. ...
400-572
9.76e-37
RepB DNA-primase from phage plasmid; RepB_primase is a DNA-primase produced by P4-like phages. It is a zinc-independent primase unlike Pri-type primases. It takes up a dumbbell shaped consisting of an N-terminal catalytic domain separated by a long alpha-helix plus tether and a C-terminal helical-bundle domain. Primases are necessary for phage replication. RepBprime primases such as in this family recognize both ssiA and ssiB, ie only 1 single-stranded primase initiation site on each strand, independently of each other and then synthesize primers that are elongated by DNA polymerase III. The phage is thus replicated exclusively in leading strand mode.
The actual alignment was detected with superfamily member pfam16793:
Pssm-ID: 374806 Cd Length: 230 Bit Score: 137.65 E-value: 9.76e-37
MobA/MobL family; This family includes of the MobA protein from the E. coli plasmid RSF1010, ...
17-218
3.52e-44
MobA/MobL family; This family includes of the MobA protein from the E. coli plasmid RSF1010, and the MobL protein from the Thiobacillus ferrooxidans plasmid PTF1. These sequences are mobilization proteins, which are essential for specific plasmid transfer.
Pssm-ID: 427275 [Multi-domain] Cd Length: 217 Bit Score: 157.85 E-value: 3.52e-44
RepB DNA-primase from phage plasmid; RepB_primase is a DNA-primase produced by P4-like phages. ...
400-572
9.76e-37
RepB DNA-primase from phage plasmid; RepB_primase is a DNA-primase produced by P4-like phages. It is a zinc-independent primase unlike Pri-type primases. It takes up a dumbbell shaped consisting of an N-terminal catalytic domain separated by a long alpha-helix plus tether and a C-terminal helical-bundle domain. Primases are necessary for phage replication. RepBprime primases such as in this family recognize both ssiA and ssiB, ie only 1 single-stranded primase initiation site on each strand, independently of each other and then synthesize primers that are elongated by DNA polymerase III. The phage is thus replicated exclusively in leading strand mode.
Pssm-ID: 374806 Cd Length: 230 Bit Score: 137.65 E-value: 9.76e-37
Ti-type conjugative transfer relaxase TraA; This protein contains domains distinctive of a ...
1-256
1.86e-36
Ti-type conjugative transfer relaxase TraA; This protein contains domains distinctive of a single strand exonuclease (N-terminus, MobA/MobL, pfam03389) as well as a helicase domain (central region, homologous to the corresponding region of the F-type relaxase TraI, TIGR02760). This protein likely fills the same role as TraI(F), nicking (at the oriT site) and unwinding the coiled plasmid prior to conjugative transfer.
Pssm-ID: 274289 [Multi-domain] Cd Length: 744 Bit Score: 146.49 E-value: 1.86e-36
MobA/MobL family; This family includes of the MobA protein from the E. coli plasmid RSF1010, ...
17-218
3.52e-44
MobA/MobL family; This family includes of the MobA protein from the E. coli plasmid RSF1010, and the MobL protein from the Thiobacillus ferrooxidans plasmid PTF1. These sequences are mobilization proteins, which are essential for specific plasmid transfer.
Pssm-ID: 427275 [Multi-domain] Cd Length: 217 Bit Score: 157.85 E-value: 3.52e-44
RepB DNA-primase from phage plasmid; RepB_primase is a DNA-primase produced by P4-like phages. ...
400-572
9.76e-37
RepB DNA-primase from phage plasmid; RepB_primase is a DNA-primase produced by P4-like phages. It is a zinc-independent primase unlike Pri-type primases. It takes up a dumbbell shaped consisting of an N-terminal catalytic domain separated by a long alpha-helix plus tether and a C-terminal helical-bundle domain. Primases are necessary for phage replication. RepBprime primases such as in this family recognize both ssiA and ssiB, ie only 1 single-stranded primase initiation site on each strand, independently of each other and then synthesize primers that are elongated by DNA polymerase III. The phage is thus replicated exclusively in leading strand mode.
Pssm-ID: 374806 Cd Length: 230 Bit Score: 137.65 E-value: 9.76e-37
Ti-type conjugative transfer relaxase TraA; This protein contains domains distinctive of a ...
1-256
1.86e-36
Ti-type conjugative transfer relaxase TraA; This protein contains domains distinctive of a single strand exonuclease (N-terminus, MobA/MobL, pfam03389) as well as a helicase domain (central region, homologous to the corresponding region of the F-type relaxase TraI, TIGR02760). This protein likely fills the same role as TraI(F), nicking (at the oriT site) and unwinding the coiled plasmid prior to conjugative transfer.
Pssm-ID: 274289 [Multi-domain] Cd Length: 744 Bit Score: 146.49 E-value: 1.86e-36
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
Click on the triangle to view details about the feature, including a multiple sequence alignment
of your query sequence and the protein sequences used to curate the domain model,
where hash marks (#) above the aligned sequences show the location of the conserved feature residues.
The thumbnail image, if present, provides an approximate view of the feature's location in 3 dimensions.
Click on the triangle for interactive 3D structure viewing options.
Functional characterization of the conserved domain architecture found on the query.
Click here to see more details.
This image shows a graphical summary of conserved domains identified on the query sequence.
The Show Concise/Full Display button at the top of the page can be used to select the desired level of detail: only top scoring hits
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Domains are color coded according to superfamilies
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Others (non-specific hits) and
superfamily placeholders are drawn in pastel colors.
if a domain or superfamily has been annotated with functional sites (conserved features),
they are mapped to the query sequence and indicated through sets of triangles
with the same color and shade of the domain or superfamily that provides the annotation. Mouse over the colored bars or triangles to see descriptions of the domains and features.
click on the bars or triangles to view your query sequence embedded in a multiple sequence alignment of the proteins used to develop the corresponding domain model.
The table lists conserved domains identified on the query sequence. Click on the plus sign (+) on the left to display full descriptions, alignments, and scores.
Click on the domain model's accession number to view the multiple sequence alignment of the proteins used to develop the corresponding domain model.
To view your query sequence embedded in that multiple sequence alignment, click on the colored bars in the Graphical Summary portion of the search results page,
or click on the triangles, if present, that represent functional sites (conserved features)
mapped to the query sequence.
Concise Display shows only the best scoring domain model, in each hit category listed below except non-specific hits, for each region on the query sequence.
(labeled illustration) Standard Display shows only the best scoring domain model from each source, in each hit category listed below for each region on the query sequence.
(labeled illustration) Full Display shows all domain models, in each hit category below, that meet or exceed the RPS-BLAST threshold for statistical significance.
(labeled illustration) Four types of hits can be shown, as available,
for each region on the query sequence:
specific hits meet or exceed a domain-specific e-value threshold
(illustrated example)
and represent a very high confidence that the query sequence belongs to the same protein family as the sequences use to create the domain model
non-specific hits
meet or exceed the RPS-BLAST threshold for statistical significance (default E-value cutoff of 0.01, or an E-value selected by user via the
advanced search options)
the domain superfamily to which the specific and non-specific hits belong
multi-domain models that were computationally detected and are likely to contain multiple single domains
Retrieve proteins that contain one or more of the domains present in the query sequence, using the Conserved Domain Architecture Retrieval Tool
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