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Identification
HMDB Protein ID HMDBP02615
Secondary Accession Numbers
  • 8114
Name Matrix metalloproteinase-20
Synonyms
  1. Enamel metalloproteinase
  2. Enamelysin
  3. MMP-20
Gene Name MMP20
Protein Type Unknown
Biological Properties
General Function Involved in metalloendopeptidase activity
Specific Function Degrades amelogenin, the major protein component of the enamel matrix and two of the macromolecules characterizing the cartilage extracellular matrix:aggrecan and the cartilage oligomeric matrix protein (COMP). May play a central role in tooth enamel formation
Pathways Not Available
Reactions Not Available
GO Classification
Component
extracellular region part
extracellular matrix
Function
endopeptidase activity
ion binding
cation binding
metal ion binding
binding
catalytic activity
hydrolase activity
transition metal ion binding
zinc ion binding
metalloendopeptidase activity
peptidase activity
peptidase activity, acting on l-amino acid peptides
metallopeptidase activity
calcium ion binding
Process
metabolic process
macromolecule metabolic process
protein metabolic process
proteolysis
Cellular Location
  1. Secreted
  2. extracellular space
  3. extracellular matrix
Gene Properties
Chromosome Location Chromosome:1
Locus 11q22.3
SNPs MMP20
Gene Sequence
>1452 bp
ATGAAGGTGCTCCCTGCATCTGGCCTTGCTGTCTTCCTCATCATGGCTTTGAAGTTTTCC
ACTGCAGCCCCCTCCCTAGTTGCAGCCTCCCCCAGGACCTGGAGGAACAACTACCGCCTC
GCACAGGCGTATCTTGACAAATATTACACAAATAAAGAAGGACACCAGATTGGTGAGATG
GTTGCAAGAGGAAGCAATTCCATGATAAGGAAGATTAAGGAGCTACAAGCGTTCTTTGGC
CTCCAAGTCACCGGGAAGTTAGACCAGACCACAATGAACGTGATCAAGAAGCCTCGCTGT
GGAGTTCCTGATGTGGCCAATTATCGCCTCTTCCCTGGTGAACCCAAATGGAAAAAAAAT
ACTTTGACATACAGAATATCTAAATACACACCTTCCATGAGTTCTGTCGAGGTGGACAAA
GCAGTGGAGATGGCCTTGCAGGCCTGGAGTAGCGCCGTCCCTCTGAGCTTTGTCAGAATA
AACTCAGGAGAAGCGGATATTATGATATCTTTTGAAAATGGAGATCACGGGGATTCCTAT
CCATTCGATGGGCCTCGGGGGACTCTAGCCCATGCATTTGCTCCTGGAGAAGGCCTGGGA
GGAGATACACATTTCGACAATCCTGAGAAGTGGACTATGGGAACGAATGGTTTTAATTTG
TTTACCGTTGCTGCTCATGAATTTGGCCATGCCCTGGGCCTGGCCCATTCCACAGACCCA
TCAGCACTGATGTACCCAACTTATAAGTACAAGAATCCCTATGGATTCCACCTCCCCAAA
GATGATGTGAAAGGGATCCAGGCATTATACGGACCTCGGAAAGTATTCCTGGGGAAGCCC
ACTCTGCCCCATGCCCCCCATCACAAGCCATCCATCCCTGACCTCTGTGACTCCAGCTCA
TCCTTTGACGCTGTGACAATGCTGGGGAAGGAGCTCCTGCTCTTCAAGGACCGGATTTTC
TGGAGACGGCAGGTTCACTTGCGGACAGGAATTCGGCCCAGCACTATTACCAGCTCCTTC
CCCCAGCTCATGTCCAATGTGGATGCAGCTTACGAAGTGGCTGAGAGGGGCACTGCTTAC
TTCTTCAAAGGTCCCCACTACTGGATAACAAGAGGATTCCAAATGCAAGGTCCTCCTCGG
ACTATTTATGACTTTGGATTTCCAAGGCACGTGCAGCAAATAGATGCTGCTGTCTACCTC
AGGGAGCCACAGAAGACCCTTTTCTTTGTGGGAGATGAATACTACAGCTACGACGAAAGG
AAAAGGAAAATGGAAAAAGACTATCCAAAGAATACTGAAGAAGAATTTTCAGGAGTAAAT
GGCCAAATCGATGCTGCTGTAGAATTAAATGGCTACATTTACTTCTTTTCAGGACCAAAA
ACATACAAGTATGACACAGAGAAGGAAGATGTGGTTAGTGTGGTGAAATCTAGTTCCTGG
ATTGGTTGCTAA
Protein Properties
Number of Residues 483
Molecular Weight 54359.4
Theoretical pI 9.08
Pfam Domain Function
Signals
  • 1-22
Transmembrane Regions
  • None
Protein Sequence
>Matrix metalloproteinase-20
MKVLPASGLAVFLIMALTFSTAAPSLVAASPRTWRNNYRLAQAYLDKYYTNKEGHQIGEM
VARGSNSMIRKIKELQAFFGLQVTGKLDQTTMNVIKKPRCGVPDVANYRLFPGEPKWKKN
TLTYRISKYTPSMSSVEVDKAVEMALQAWSSAVPLSFVRINSGEADIMISFENGDHGDSY
PFDGPRGTLAHAFAPGEGLGGDTHFDNAEKWTMGTNGFNLFTVAAHEFGHALGLAHSTDP
SALMYPTYKYKNPYGFHLPKDDVKGIQALYGPRKVFLGKPTLPHAPHHKPSIPDLCDSSS
SFDAVTMLGKELLLFKDRIFWRRQVHLRTGIRPSTITSSFPQLMSNVDAAYEVAERGTAY
FFKGPHYWITRGFQMQGPPRTIYDFGFPRHVQQIDAAVYLREPQKTLFFVGDEYYSYDER
KRKMEKDYPKNTEEEFSGVNGQIDAAVELNGYIYFFSGPKTYKYDTEKEDVVSVVKSSSW
IGC
GenBank ID Protein 3005946
UniProtKB/Swiss-Prot ID O60882
UniProtKB/Swiss-Prot Entry Name MMP20_HUMAN
PDB IDs Not Available
GenBank Gene ID Y12779
GeneCard ID MMP20
GenAtlas ID MMP20
HGNC ID HGNC:7167
References
General References
  1. Llano E, Pendas AM, Knauper V, Sorsa T, Salo T, Salido E, Murphy G, Simmer JP, Bartlett JD, Lopez-Otin C: Identification and structural and functional characterization of human enamelysin (MMP-20). Biochemistry. 1997 Dec 9;36(49):15101-8. [PubMed:9398237 ]
  2. Stracke JO, Fosang AJ, Last K, Mercuri FA, Pendas AM, Llano E, Perris R, Di Cesare PE, Murphy G, Knauper V: Matrix metalloproteinases 19 and 20 cleave aggrecan and cartilage oligomeric matrix protein (COMP). FEBS Lett. 2000 Jul 28;478(1-2):52-6. [PubMed:10922468 ]
  3. Kim JW, Simmer JP, Hart TC, Hart PS, Ramaswami MD, Bartlett JD, Hu JC: MMP-20 mutation in autosomal recessive pigmented hypomaturation amelogenesis imperfecta. J Med Genet. 2005 Mar;42(3):271-5. [PubMed:15744043 ]