TNNI2

TNNI2
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	2MKP
Identifiers
Aliases	TNNI2, AMCD2B, DA2B, FSSV, fsTnI, troponin I2, fast skeletal type, DA2B1
External IDs	OMIM: 191043 MGI: 105070 HomoloGene: 37752 GeneCards: TNNI2
Gene location (Human)
Chr.	Chromosome 11 (human)
End	1,841,680 bp
Gene location (Mouse)
Chr.	Chromosome 7 (mouse)
End	141,998,147 bp
RNA expression pattern
	Top expressed in
	skeletal muscle tissue; ; gastrocnemius muscle; ; skin of abdomen; ; blood; ; minor salivary gland; ; monocyte; ; right lung; ; gallbladder; ; placenta; ; upper lobe of left lung;
	Top expressed in
	digastric muscle; ; sternocleidomastoid muscle; ; triceps brachii muscle; ; temporal muscle; ; intercostal muscle; ; ankle; ; body of femur; ; esophagus; ; knee joint; ; ankle joint;
	More reference expression data
	More reference expression data
Gene ontology
Molecular function	actin binding; troponin T binding; protein binding;
Cellular component	cytosol; troponin complex; nucleus;
Biological process	regulation of muscle contraction; positive regulation of transcription, DNA-templated; skeletal muscle contraction; cardiac muscle contraction; muscle filament sliding; muscle contraction;
	Sources:Amigo / QuickGO
Orthologs
	7136
	21953
	ENSG00000130598; ENSG00000288219
	ENSMUSG00000031097
	P48788
	P13412
	NM_003282; NM_001145829; NM_001145841
	NM_009405
	NP_001139301; NP_001139313; NP_003273
	NP_033431
	Wikidata
View/Edit Human	View/Edit Mouse

Troponin I, fast skeletal muscle is a protein that in humans is encoded by the TNNI2 gene.

The TNNI2 gene is located at 11p15.5 in the human chromosomal genome, encoding the fast twitch skeletal muscle troponin I (fsTnI). fsTnI is a 21.3 kDa protein consisting of 182 amino acids including the first methionine with an isoelectric point (pI) of 8.74. It is the inhibitory subunit of the troponin complex in fast twitch skeletal muscle fibers.

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