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PRC-barrel domain superfamily
SCOP classification
Superfamily statistics
Functional annotation
| General category | Metabolism |
| Detailed category | Photosynthesis |
Document: Function annotation of SCOP domain superfamilies
Gene Ontology (high-coverage) (show details)
Highlighted in gray are those with either FDR_singleton>0.001 or FDR_all>0.001
Document: GO annotation of SCOP domains
UniProtKB KeyWords (KW) (show details)
Highlighted in gray are those with FDR_all>0.001
Document: KW annotation of SCOP domains
InterPro annotation
| Cross references | IPR011033 SSF50346 Protein matches |
| Abstract | The PRC-barrel is a partly opened all-beta barrel domain of approximately 80 residues long, which is found in several bacterial, archaeal and plant proteins.
The PRC-barrel domain is found in subunit H of the photosynthetic reaction centre (PRC) in purple bacteria. PRC is an integral membrane pigment-protein complex that carries out light-driven electron transfer reactions during photosynthesis. At the core of the reaction centre is a collection of light-harvesting cofactors and closely associated polypeptides. The core protein complex is made of L, M and H polypeptide subunits [ 11005826]. The H subunit has a single transmembrane helix and a large cytoplasmic domain [10611277]. The core of the cytoplasmic domain contains the PRC-barrel.
A PRC-barrel domain is also present at the C terminus of the pan-bacterial protein RimM, which is involved in ribosomal maturation and processing of 16S rRNA. A family of small proteins conserved in all known euryarchaea are composed entirely of a single stand-alone copy of the domain
[12429060].
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InterPro database
PDBeMotif information about ligands, sequence and structure motifs
PDBeMotif resource
Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation · Gene Ontology (high-coverage) · UniProtKB KeyWords (KW) ]
Internal database links
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Browse genome assignments for this superfamily. The SUPERFAMILY hidden Markov model library has been used to carry
out SCOP domain assignments to all genomes at the superfamily level.
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Alignments of sequences to 6 models
in this superfamily are available by clicking on the 'Alignments' icon above. PDB sequences less than 40% identical
are shown by default, but any other sequence(s) may be aligned. Select PDB sequences, genome sequences, or paste in or upload your own sequences.
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Browse and view proteins in genomes which have
different domain combinations including a PRC-barrel domain domain.
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Examine the distribution of domain superfamilies, or families, across the major taxonomic kingdoms or genomes within a kingdom. This gives an immediate impression of how superfamilies, or families, are restricted to certain kingdoms of life.
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Explore domain occurrence network where nodes represent genomes and edges are domain architectures (shared between genomes) containing the superfamily of interest.
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There are 6 hidden Markov models representing the PRC-barrel domain superfamily. Information on how the models are built, and plots showing hydrophobicity, match emmission probabilities and insertion/deletion probabilities can be inspected.
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Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation · Gene Ontology (high-coverage) · UniProtKB KeyWords (KW) · Internal database links ]
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