Q75QN2: Integrator complex subunit 8 (INTS8)

Integrator complex subunit 8 (INTS8) is a 995-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q75QN2.

Gene
INTS8
Organism
Homo sapiens
Length
995 residues
Mean pLDDT
84.1
Model
AF-Q75QN2-F1 v6
Model created
1 Aug 2025
PDB structures
10

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Model confidence (pLDDT)

The mean pLDDT of this model is 84.1 (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 accurate48%
70 to 90Confident: backbone generally right39%
50 to 70Low: treat with caution8%
Below 50Very low: often disordered regions6%

What pLDDT means and how to read it

Function

Component of the integrator complex, a multiprotein complex that terminates RNA polymerase II (Pol II) transcription in the promoter-proximal region of genes (PubMed:28542170, PubMed:33243860, PubMed:34004147, PubMed:37080207, PubMed:38570683). The integrator complex provides a quality checkpoint during transcription elongation by driving premature transcription termination of transcripts that are unfavorably configured for transcriptional elongation: the complex terminates transcription by (1) catalyzing dephosphorylation of the C-terminal domain (CTD) of Pol II subunit POLR2A/RPB1 and SUPT5H/SPT5, (2) degrading the exiting nascent RNA transcript via endonuclease activity and (3)…

Subunit structure

Component of the Integrator complex, composed of core subunits INTS1, INTS2, INTS3, INTS4, INTS5, INTS6, INTS7, INTS8, INTS9/RC74, INTS10, INTS11/CPSF3L, INTS12, INTS13, INTS14 and INTS15 (PubMed:16239144, PubMed:33243860, PubMed:34004147, PubMed:34762484, PubMed:37080207, PubMed:38570683, PubMed:39032490). The core complex associates with protein phosphatase 2A subunits PPP2CA and PPP2R1A, to…

Subcellular location

Nucleus, Chromosome

Disease associations

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
8RC4EM3.1 Åh=1-995
9EP4EM3.2 ÅA=1-995
7CUNEM3.5 ÅH=1-995
7PKSEM3.6 Åh=1-995
8RBZEM3.7 Åh=1-995
8RBXEM4.1 Åh=1-995
8YJBEM4.1 ÅH=1-995
7YCXEM4.18 ÅH=1-995
9VD9EM4.6 ÅH=1-995
9EOFEM7.7 ÅF=1-995

More AlphaFold highlights

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