Golgin subfamily A member 2 (GOLGA2) is a 1002-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q08379.
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The mean pLDDT of this model is 74.9 (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 band | Meaning | Share of residues |
|---|---|---|
| Above 90 | Very high: backbone and side chains are usually accurate | 44% |
| 70 to 90 | Confident: backbone generally right | 24% |
| 50 to 70 | Low: treat with caution | 9% |
| Below 50 | Very low: often disordered regions | 24% |
What pLDDT means and how to read it
Peripheral membrane component of the cis-Golgi stack that acts as a membrane skeleton that maintains the structure of the Golgi apparatus, and as a vesicle thether that facilitates vesicle fusion to the Golgi membrane (Probable) (PubMed:16489344). Required for normal protein transport from the endoplasmic reticulum to the Golgi apparatus and the cell membrane (By similarity). Together with p115/USO1 and STX5, involved in vesicle tethering and fusion at the cis-Golgi membrane to maintain the stacked and inter-connected structure of the Golgi apparatus. Plays a central role in mitotic Golgi disassembly: phosphorylation at Ser-37 by CDK1 at the onset of mitosis inhibits the interaction with…
Homodimer, may assemble into homohexamers (PubMed:26363069). Homotetramer; forms a parallel homotetramer with a flexible rod-like structure that can give rise to I- and Y-shaped conformations (By similarity). Interacts with GORASP1/GRASP65 (PubMed:16489344, PubMed:18045989, PubMed:26363069). The homooligomer forms a complex with GORASP1 with a 1:1 stoichiometry (By similarity). Interacts with…
Golgi apparatus, cis-Golgi network membrane, Endoplasmic reticulum-Golgi intermediate compartment membrane, Cytoplasm, cytoskeleton, spindle pole
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 6K06 | X-ray | 1.75 Å | A=13-60 |
| 4REY | X-ray | 1.96 Å | B=980-1002 |
| 6IWA | X-ray | 2.4 Å | A=25-52 |
| 6IW8 | X-ray | 2.8 Å | A=13-60 |
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