Q9RC23: Mersacidin decarboxylase (mrsD)

Mersacidin decarboxylase (mrsD) is a 194-residue protein from Bacillus sp. (strain HIL-Y85/54728). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q9RC23.

Gene
mrsD
Organism
Bacillus sp. (strain HIL-Y85/54728)
Length
194 residues
Mean pLDDT
94.3
Model
AF-Q9RC23-F1 v6
Model created
1 Aug 2025
PDB structures
2

Explore in 3D Color by confidence AlphaFold DB UniProt

Model confidence (pLDDT)

The mean pLDDT of this model is 94.3 (very high 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 accurate89%
70 to 90Confident: backbone generally right6%
50 to 70Low: treat with caution4%
Below 50Very low: often disordered regions2%

What pLDDT means and how to read it

Function

Catalyzes the oxidative decarboxylation of the C-terminal cysteine residue of mersacidin to an aminoenethiol residue

Subunit structure

Homododecamer

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
1P3YX-ray2.54 Å1=1-194
5H75X-ray2.74 ÅA/B/C/D=1-181

More AlphaFold highlights

About this viewer

MolViewer loads the AlphaFold model straight from AlphaFold DB into your browser. Show it as a cartoon, color by pLDDT, measure distances and angles, and load a PDB structure next to it to compare.