Q4WXX5: Histone chaperone asf1 (asf1)

Histone chaperone asf1 (asf1) is a 282-residue protein from Aspergillus fumigatus (strain ATCC MYA-4609 / CBS 101355 / FGSC A1100 / Af293). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q4WXX5.

Gene
asf1
Organism
Aspergillus fumigatus (strain ATCC MYA-4609 / CBS 101355 / FGSC A1100 / Af293)
Length
282 residues
Mean pLDDT
74.2
Model
AF-Q4WXX5-F1 v6
Model created
1 Aug 2025
PDB structures
3

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Model confidence (pLDDT)

The mean pLDDT of this model is 74.2 (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 accurate36%
70 to 90Confident: backbone generally right26%
50 to 70Low: treat with caution16%
Below 50Very low: often disordered regions23%

What pLDDT means and how to read it

Function

Histone chaperone that facilitates histone deposition and histone exchange and removal during nucleosome assembly and disassembly

Subunit structure

Interacts with histone H3 and histone H4

Subcellular location

Nucleus

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
7XAYX-ray3.3 ÅC=1-154
5ZBAX-ray3.5 ÅB=1-154
5ZBBX-ray3.6 ÅB=1-154

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