P48237: Mitochondrial 15S rRNA processing factor CCM1 (CCM1)

Mitochondrial 15S rRNA processing factor CCM1 (CCM1) is a 864-residue protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P48237.

Gene
CCM1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
864 residues
Mean pLDDT
75.9
Model
AF-P48237-F1 v6
Model created
1 Aug 2025
PDB structures
2

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Model confidence (pLDDT)

The mean pLDDT of this model is 75.9 (confident overall). pLDDT is AlphaFold's per-residue confidence score from 0 to 100. In MolViewer, choose the B-factor color scheme to color the model by pLDDT, because AlphaFold stores it in the B-factor column.

pLDDT bandMeaningShare of residues
Above 90Very high: backbone and side chains are usually accurate25%
70 to 90Confident: backbone generally right47%
50 to 70Low: treat with caution13%
Below 50Very low: often disordered regions15%

What pLDDT means and how to read it

Function

Regulates mitochondrial small subunit maturation by controlling 15S rRNA 5'-end processing (PubMed:22861139, PubMed:32152734, PubMed:36482135). Localizes to the 5' precursor of the 15S rRNA in a position that is subsequently occupied by mS47 in the mature yeast mtSSU. Uses structure and sequence-specific RNA recognition, binding to a single-stranded region of the precursor and specifically recognizing bases -6 to -1. The exchange of Ccm1 for mS47 is coupled to the irreversible removal of precursor rRNA that is accompanied by conformational changes of the mitoribosomal proteins uS5m and mS26. These conformational changes signal completion of 5'-end rRNA processing through protection of the…

Subunit structure

Binds to mitochondrial small subunit 15S rRNA

Subcellular location

Mitochondrion

Experimental structures in the PDB

Compare the prediction with experimentally determined structures of the same protein:

PDB IDMethodResolutionChains and residues
8D8KEM3.13 Åd=1-864
8D8JEM3.8 Åd=1-864

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