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  3. COL12A1

COL12A1 (Collagen type XII alpha 1 chain)

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Summary of COL12A1

This gene encodes part of a compled of collagen. Collagen helps provide structure and strength to the connective tissues that support the body's muscles, joints, organs, and skin (R). 

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The Function of COL12A1

Type XII collagen interacts with type I collagen-containing fibrils, the COL1 domain could be associated with the surface of the fibrils, and the COL2 and NC3 domains may be localized in the perifibrillar matrix.

Protein names

Recommended name:

Collagen alpha-1

Short name:

XII

COL12A1 SNPs

    To see your genotype, you should be logged in and have a file with your genotype uploaded.

  1. RS116278466 (COL12A1) ??
  2. RS970547 (COL12A1) ??

Top Gene-Substance Interactions

Substances That Increase COL12A1

Substances Interaction Organism Category

Substances That Decrease COL12A1

Substances Interaction Organism Category

Advanced Summary

     From NCBI Gene: Bethlem myopathy 2Ullrich congenital muscular dystrophy 2From UniProt: Bethlem myopathy 2 (BTHLM2): A form of Bethlem myopathy, a benign proximal myopathy characterized by early childhood onset and joint contractures most frequently affecting the elbows and ankles. [MIM:616471] Ullrich congenital muscular dystrophy 2 (UCMD2): A form of Ullrich muscular dystrophy, a congenital myopathy characterized by muscle weakness and multiple joint contractures, generally noted at birth or early infancy. The clinical course is more severe than in Bethlem myopathy. [MIM:616470]

     From NCBI Gene: This gene encodes the alpha chain of type XII collagen, a member of the FACIT (fibril-associated collagens with interrupted triple helices) collagen family. Type XII collagen is a homotrimer found in association with type I collagen, an association that is thought to modify the interactions between collagen I fibrils and the surrounding matrix. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008] From UniProt: Type XII collagen interacts with type I collagen-containing fibrils, the COL1 domain could be associated with the surface of the fibrils, and the COL2 and NC3 domains may be localized in the perifibrillar matrix.

Conditions with Increased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Conditions with Decreased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Technical

The following transcription factors affect gene expression:

  • Evi-1
  • MEF-2A
  • E2F-1
  • E2F-4
  • E2F-5
  • Sox9

Tissue specificity:

Found in collagen I-containing tissues: both isoform 1 and isoform 2 appear in amnion, chorion, skeletal muscle, small intestine, and in cell culture of dermal fibroblasts, keratinocytes and endothelial cells. Only isoform 2 is found in lung, placenta, kidney and a squamous cell carcinoma cell line. Isoform 1 is also present in the corneal epithelial Bowman's membrane (BM) and the interfibrillar matrix of the corneal stroma, but it is not detected in the limbal BM.

Gene Pathways:

  • Extracellular matrix organization
  • Protein digestion and absorption

Molecular Function:

  • Extracellular Matrix Structural Constituent Conferring Tensile Strength

Biological Processes:

  • Cell Adhesion
  • Collagen Catabolic Process
  • Collagen Fibril Organization
  • Endodermal Cell Differentiation
  • Skeletal System Development
*synonyms

Synonyms/Aliases/Alternative Names of the Gene:

hypothetical protein| AS27_06820| AS28_12109| BA209D8.1| BTHLM2| CB1_000591007| COL12A1L| Collagen alpha-1(XII) chain| collagen, type XII, alpha 1| collagen type XII proteoglycan| collagen XII| DJ234P15.1| fibrochimerin| H920_02453| I79_009930| M91_14407| M959_03119| MDA_GLEAN10020526| N300_11890| N301_09046| N302_06235| N303_02308| N305_14218| N306_11886| N307_08605| N310_12096| N311_04267| N312_02028| N320_12360| N322_10529| N324_03687| N326_03744| N329_05833| N330_13775| N331_03432| N332_12725| N333_10218| N334_04766| N335_07538| N339_00589| N341_08287| PAL_GLEAN10025240| PANDA_015036| procollagen, type XII, alpha 1| TREES_T100015450| type XII collagen| type XII collagen alpha 1 chain| UCMD2| Y1Q_003189| Y956_07911| col12a1

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