POLR2I RNA polymerase II subunit I [Homo sapiens (human)] - Gene

Summary

Official Symbol: POLR2Iprovided by HGNC
Official Full Name: RNA polymerase II subunit Iprovided by HGNC
Primary source: HGNC:HGNC:9196
See related: Ensembl:ENSG00000105258 MIM:180662; AllianceGenome:HGNC:9196
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Homo sapiens
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as: RPB9; hRPB14.5
Summary: This gene encodes a subunit of RNA polymerase II, the polymerase responsible for synthesizing messenger RNA in eukaryotes. This subunit, in combination with two other polymerase subunits, forms the DNA binding domain of the polymerase, a groove in which the DNA template is transcribed into RNA. The product of this gene has two zinc finger motifs with conserved cysteines and the subunit does possess zinc binding activity. [provided by RefSeq, Jul 2008]
Expression: Ubiquitous expression in testis (RPKM 23.3), brain (RPKM 15.2) and 25 other tissues See more
Orthologs: mouse all
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Genomic context

Location:: 19q13.12

Exon count:: 6

Annotation release	Status	Assembly	Chr	Location
RS_2024_08	current	GRCh38.p14 (GCF_000001405.40)	19	NC_000019.10 (36113709..36114875, complement)
RS_2024_08	current	T2T-CHM13v2.0 (GCF_009914755.1)	19	NC_060943.1 (38659527..38660693, complement)
RS_2024_09	previous assembly	GRCh37.p13 (GCF_000001405.25)	19	NC_000019.9 (36604611..36605777, complement)

Chromosome 19 - NC_000019.10 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Expression

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See details

Project title: Tissue-specific circular RNA induction during human fetal development
Description: 35 human fetal samples from 6 tissues (3 - 7 replicates per tissue) collected between 10 and 20 weeks gestational time were sequenced using Illumina TruSeq Stranded Total RNA
BioProject: PRJNA270632
Publication: PMID 26076956
Analysis date: Mon Apr 2 22:54:59 2018

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Submit: New GeneRIF Correction

Phenotypes

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Find tests for this gene in the NIH Genetic Testing Registry (GTR)

Review eQTL and phenotype association data in this region using PheGenI

Variation

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See variants in ClinVar

See studies and variants in dbVar

See Variation Viewer (GRCh37.p13)

See Variation Viewer (GRCh38)

HIV-1 interactions

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Replication interactions

Interaction	Pubs
Knockdown of polymerase (RNA) II (DNA directed) polypeptide I (POLR2I, 14.5kDa) by siRNA inhibits the early stages of HIV-1 replication in 293T cells infected with VSV-G pseudotyped HIV-1	PubMed

Protein interactions

Protein	Gene	Interaction	Pubs
Envelope surface glycoprotein gp120	env	The transcription factors and kinases c-Jun, JNK, MEK, p38 MAPK, STAT-3, JAK-1, TFII D, TFII F, eIF-4E, and RNA polymerase II are induced by HIV-1 gp120	PubMed
Tat	tat	The interaction of Tip110 with HIV-1 Tat leads to a higher efficiency of elongation for RNAPII complexes formed on the LTR promoter	PubMed
	tat	Expression of both Tip110 and Tat enhances phosphorylation of RNAPII at both serine 2 and serine 5, which account for Tip110 function in transcription activation	PubMed
	tat	The interaction of Tip110 with HIV-1 Tat and the RNAPII C-terminal domain leads to the recruitment of increased CDK9/CycT1 to the transcription complex	PubMed
	tat	HIV-1 Tat complexes with RNA polymerase II and cellular transcription factors as part of the HIV-1 transcription preinitiation and elongation complexes and stimulates RNA polymerase II processivity by inducing the phosphorylation of its C-terminal Domain	PubMed
	tat	A small molecule compound C3 inhibits HIV-1 replication by suppressing HIV-1 Tat-mediated HIV-1 LTR-driven gene expression and phosphorylation of RNAPII through inhibition of Tat binding to CycT1	PubMed
	tat	JQ1, a small molecule inhibitor of Brd4, directly dissociates Brd4 from HIV-1 promoter and promotes subsequently HIV-1 Tat binding to HIV-1 promoter, resulting in increased phosphorylation of RNA polymerase II and viral transcription	PubMed
	tat	HIV-1 Tat 41/44 peptide TAALS from the core domain of Tat inhibits Tat-mediated HIV-1 gene expression and replication by binding the Cdk2/Cyclin E complex and inhibiting the phosphorylation of serine 5 of RNAPII	PubMed
Vpr	vpr	HIV-1 Vpr interacts with basal transcription complexes such as P-TEFb, TFIIH, TFIID (TBP) and TFIIB which activate RNA polymerase II gene transcription	PubMed

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Gene Ontology Provided by GOA

Function	Evidence Code	Pubs
contributes_to DNA-directed 5'-3' RNA polymerase activity	IBA Inferred from Biological aspect of Ancestor more info
enables nucleic acid binding	IEA Inferred from Electronic Annotation more info
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables zinc ion binding	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
involved_in maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II	IBA Inferred from Biological aspect of Ancestor more info
involved_in transcription by RNA polymerase II	IDA Inferred from Direct Assay more info	PubMed
involved_in transcription initiation at RNA polymerase II promoter	IBA Inferred from Biological aspect of Ancestor more info
involved_in transcription-coupled nucleotide-excision repair	IBA Inferred from Biological aspect of Ancestor more info

Component	Evidence Code	Pubs
part_of RNA polymerase II, core complex	IBA Inferred from Biological aspect of Ancestor more info
part_of RNA polymerase II, core complex	IDA Inferred from Direct Assay more info	PubMed
located_in nucleolus	IEA Inferred from Electronic Annotation more info
located_in nucleoplasm	IDA Inferred from Direct Assay more info
located_in nucleoplasm	TAS Traceable Author Statement more info
located_in nucleus	IDA Inferred from Direct Assay more info	PubMed

General protein information

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Preferred Names: DNA-directed RNA polymerase II subunit RPB9

Names: DNA-directed RNA polymerase II 14.5 kDa polypeptide; DNA-directed RNA polymerase II subunit I; RNA polymerase II 14.5 kDa subunit; RNA polymerase II subunit B9; RPB14.5; polymerase (RNA) II (DNA directed) polypeptide I, 14.5kDa; polymerase (RNA) II subunit I

NP_006224.1

EC 2.7.7.6

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

mRNA and Protein(s)

NM_006233.5 → NP_006224.1 DNA-directed RNA polymerase II subunit RPB9

See identical proteins and their annotated locations for NP_006224.1

Status: REVIEWED

Source sequence(s)

BC017112

Consensus CDS

CCDS12487.1

UniProtKB/Swiss-Prot

B2R5J2, P36954, Q6NW05

Related

ENSP00000221859.3, ENST00000221859.9

Conserved Domains (2) summary

COG1594
Location:14 → 125

RPB9; DNA-directed RNA polymerase, subunit M/Transcription elongation factor TFIIS [Transcription]

cd10508
Location:74 → 124

Zn-ribbon_RPB9; C-terminal zinc ribbon domain of RPB9 subunit of RNA polymerase II