Major histocompatibility complex, class I-related

MR1
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	4GUP, 4L4T, 4L4V, 4LCW, 4NQC, 4NQD, 4NQE, 4PJ5, 4PJ7, 4PJ8, 4PJ9, 4PJA, 4PJB, 4PJC, 4PJD, 4PJE, 4PJF, 4PJG, 4PJH, 4PJI, 4PJX, 5D7J, 5D7I, 5D5M, 5D7L
Identifiers
Aliases	MR1, HLALS, Major histocompatibility complex, class I-related
External IDs	OMIM: 600764; MGI: 1195463; HomoloGene: 123981; GeneCards: MR1; OMA:MR1 - orthologs
Gene location (Human)
Chr.	Chromosome 1 (human)
End	181,061,938 bp
Gene location (Mouse)
Chr.	Chromosome 1 (mouse)
End	155,022,560 bp
RNA expression pattern
	Top expressed in
	beta cell; ; palpebral conjunctiva; ; monocyte; ; vena cava; ; stromal cell of endometrium; ; blood; ; visceral pleura; ; Achilles tendon; ; smooth muscle tissue; ; granulocyte;
	Top expressed in
	thymus; ; ascending aorta; ; muscle of thigh; ; aortic valve; ; transitional epithelium of urinary bladder; ; temporal muscle; ; triceps brachii muscle; ; parotid gland; ; corneal stroma; ; esophagus;
	More reference expression data
	; ; ; ;
	More reference expression data
Gene ontology
Molecular function	protein binding; MHC class I receptor activity;
Cellular component	extracellular region; endoplasmic reticulum membrane; integral component of membrane; MHC class I protein complex; membrane; endoplasmic reticulum; plasma membrane; extracellular space; external side of plasma membrane;
Biological process	cytokine production involved in immune response; antigen processing and presentation of peptide antigen via MHC class I; interleukin-1 beta production; interleukin-17 production; innate immune response; defense response to Gram-negative bacterium; immune system process; immune response; signal transduction;
	Sources:Amigo / QuickGO
Orthologs
	3140
	15064
	ENSG00000153029
	ENSMUSG00000026471
	Q95460
	Q8HWB0
NM_001194999; NM_001195000; NM_001195035; NM_001310213; NM_001531;
	NM_001385161; NM_001385162; NM_001385163; NM_001385164
	NM_008209; NM_001355062; NM_001355063
	NP_001181928; NP_001181929; NP_001181964; NP_001297142; NP_001522
	NP_032235; NP_001341991; NP_001341992
	Wikidata
View/Edit Human	View/Edit Mouse

Major histocompatibility complex class I-related gene protein (MR1) is a non-classical MHC class I protein, that binds vitamine metabolites (intermediates of riboflavin synthesis) produced in certain types of bacteria. MR1 interacts with mucosal associated invariant T cells (MAIT).