Q6P582: Mitotic-spindle organizing protein 2A (MZT2A)

Mitotic-spindle organizing protein 2A (MZT2A) is a 158-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q6P582.

Gene
MZT2A
Organism
Homo sapiens
Length
158 residues
Mean pLDDT
65.1
Model
AF-Q6P582-F1 v6
Model created
1 Aug 2025
PDB structures
3

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Model confidence (pLDDT)

The mean pLDDT of this model is 65.1 (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 accurate19%
70 to 90Confident: backbone generally right13%
50 to 70Low: treat with caution44%
Below 50Very low: often disordered regions24%

What pLDDT means and how to read it

Function

Required for the recruitment and the assembly of the gamma-tubulin ring complex (gTuRC) at the centrosome (PubMed:20360068, PubMed:39321809). The gTuRC regulates the minus-end nucleation of alpha-beta tubulin heterodimers that grow into microtubule protafilaments, a critical step in centrosome duplication and spindle formation (PubMed:39321809)

Subunit structure

Associates with the gamma-tubulin ring complex (gTuRC) consisting of TUBGCP2, TUBGCP3, TUBGCP4, TUBGCP5 and TUBGCP6 and gamma-tubulin TUBG1 or TUBG2; within the complex, interacts with TUBGCP2; the interaction plays a role in gTuRC activation

Subcellular location

Cytoplasm, cytoskeleton, microtubule organizing center, centrosome, Cytoplasm, cytoskeleton, spindle

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
8RX1EM3.57 Åe=1-158
6X0VEM4.5 ÅE=1-158
9H9PEM4.5 ÅC=1-158

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