Q5VZK9: F-actin-uncapping protein LRRC16A (CARMIL1)

F-actin-uncapping protein LRRC16A (CARMIL1) is a 1371-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q5VZK9.

Gene
CARMIL1
Organism
Homo sapiens
Length
1371 residues
Mean pLDDT
67.4
Model
AF-Q5VZK9-F1 v6
Model created
1 Aug 2025
PDB structures
3

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Model confidence (pLDDT)

The mean pLDDT of this model is 67.4 (low 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 accurate36%
70 to 90Confident: backbone generally right21%
50 to 70Low: treat with caution7%
Below 50Very low: often disordered regions37%

What pLDDT means and how to read it

Function

Cell membrane-cytoskeleton-associated protein that plays a role in the regulation of actin polymerization at the barbed end of actin filaments. Prevents F-actin heterodimeric capping protein (CP) activity at the leading edges of migrating cells, and hence generates uncapped barbed ends and enhances actin polymerization, however, seems unable to nucleate filaments (PubMed:16054028). Plays a role in lamellipodial protrusion formations and cell migration (PubMed:19846667)

Subunit structure

Homodimer (PubMed:19846667). Interacts (via C-terminus) with heterodimer capping protein (CP); this interaction uncaps barbed ends capped by CP, enhances barbed-end actin polymerization and promotes lamellipodial formation and cell migration (By similarity). Interacts with heterodimer capping protein (CP) (PubMed:19846667). Interacts with MYO1E (PubMed:19846667). Interacts with TRIO…

Subcellular location

Cytoplasm, Cytoplasm, cytoskeleton, Cell membrane, Cell projection, lamellipodium

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
3LK2X-ray2.2 ÅT=961-1012
3LK3X-ray2.68 ÅT=964-1078
9EC0EM3.4 ÅA/B=1-1046

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