Identification
HMDB Protein ID CDBP04890
Secondary Accession Numbers Not Available
Name Interphotoreceptor matrix proteoglycan 2
Description Not Available
Synonyms
  1. IPM 200
  2. Interphotoreceptor matrix proteoglycan of 200 kDa
  3. Sialoprotein associated with cones and rods proteoglycan
  4. Spacrcan
Gene Name IMPG2
Protein Type Receptor
Biological Properties
General Function Involved in extracellular matrix structural constituent
Specific Function Chondroitin sulfate- and hyaluronan-binding proteoglycan involved in the organization of interphotoreceptor matrix; may participate in the maturation and maintenance of the light- sensitive photoreceptor outer segment. Binds heparin
GO Classification Not Available
Cellular Location
  1. Membrane
  2. Single-pass type I membrane protein (Potential)
Pathways
Gene Properties
Chromosome Location Chromosome:3
Locus 3q12.2-q12.3
SNPs IMPG2
Gene Sequence
>3726 bp
ATGATTATGTTTCCTCTTTTTGGGAAGATTTCTCTGGGTATTTTGATATTTGTCCTGATA
GAAGGAGACTTTCCATCATTAACAGCACAAACCTACTTATCTATAGAGGAGATCCAAGAA
CCCAAGAGTGCAGTTTCTTTTCTCCTGCCTGAAGAATCAACAGACCTTTCTCTAGCTACC
AAAAAGAAACAGCCTCTGGACCGCAGAGAAACTGAAAGACAGTGGTTAATCAGAAGGCGG
AGATCTATTCTGTTTCCTAATGGAGTGAAAATCTGCCCAGATGAAAGTGTTGCAGAGGCT
GTGGCAAATCATGTGAAGTATTTTAAAGTCCGAGTGTGTCAGGAAGCTGTCTGGGAAGCC
TTCAGGACTTTTTGGGATCGACTTCCTGGGCGTGAGGAATATCATTACTGGATGAATTTG
TGTGAGGATGGAGTCACAAGTATATTTGAAATGGGCACAAATTTTAGTGAATCTGTGGAA
CATAGAAGCTTAATCATGAAGAAACTGACTTATGCAAAGGAAACTGTAAGCAGCTCTGAA
CTGTCTTCTCCAGTTCCTGTTGGTGATACTTCAACATTGGGAGACACTACTCTCAGTGTT
CCACATCCAGAGGTGGACGCCTATGAAGGTGCCTCAGAGAGCAGCTTGGAAAGGCCAGAG
GAGAGTATTAGCAATGAAATTGAGAATGTGATAGAAGAAGCCACAAAACCAGCAGGTGAA
CAGATTGCAGAATTCAGTATCCACCTTTTGGGGAAGCAGTACAGGGAAGAACTACAGGAT
TCCTCCAGCTTTCACCACCAGCACCTTGAAGAAGAATTTATTTCAGAGGTTGAAAATGCA
TTTACTGGGTTACCAGGCTACAAGGAAATTCGTGTACTTGAATTTAGGTCCCCCAAGGAA
AATGACAGTGGCGTAGATGTTTACTATGCAGTTACCTTCAATGGTGAGGCCATCAGCAAT
ACCACCTGGGACCTCATTAGCCTTCACTCCAACAAGGTGGAAAACCATGGCCTTGTGGAA
CTGGATGATAAACCCACTGTTGTTTATACAATCAGTAACTTCAGAGATTATATTGCTGAG
ACATTGCAGCAGAATTTTTTGCTGGGGAACTCTTCCTTGAATCCAGATCCTGATTCCCTG
CAGCTTATCAATGTGAGAGGAGTTTTGCGTCACCAAACTGAAGATCTAGTTTGGAACACC
CAAAGTTCAAGTCTTCAGGCAACGCCGTCATCTATTCTGGATAATACCTTTCAAGCTGCA
TGGCCCTCAGCAGATGAATCCATCACCAGCAGTATTCCACCACTTGATTTCAGCTCTGGT
CCTCCCTCAGCCACTGGCAGGGAACTCTGGTCAGAAAGTCCTTTGGGTGATTTAGTGTCT
ACACACAAATTAGCCTTTCCCTCGAAGATGGGCCTCAGCTCTTCCCCAGAGGTTTTAGAG
GTTAGCAGCTTGACTCTTCATTCTGTCACCCCGGCAGTGCTTCAGACTGGCTTGCCTGTG
GCTTCTGAGGAAAGGACTTCTGGATCTCACTTGGTAGAAGATGGATTAGCCAATGTTGAA
GAGTCAGAAGATTTTCTTTCTATTGATTCATTGCCTTCAAGTTCATTCACTCAACCTGTG
CCAAAAGAAACAATACCATCCATGGAAGACTCTGATGTGTCCTTAACATCTTCACCATAT
CTGACCTCTTCTATACCTTTTGGCTTGGACTCCTTGACCTCCAAAGTCAAAGACCAATTA
AAAGTGAGCCCTTTCCTGCCAGATGCATCCATGGAAAAAGAGTTAATATTTGACGGTGGT
TTAGGTTCAGGGTCTGGGCAAAAGGTAGATCTGATTACTTGGCCATGGAGTGAGACTTCA
TCAGAGAAGAGCGCTGAACCACTGTCCAAGCCGTGGCTTGAAGATGATGATTCACTTTTG
CCAGCTGAGATTGAAGACAAGAAACTAGTTTTAGTTGACAAAATGGATTCCACAGACCAA
ATTAGTAAGCACTCAAAATATGAACATGATGACAGATCCACACACTTTCCAGAGGAAGAG
CCTCTTAGTGGGCCTGCTGTGCCCATCTTCGCAGATACTGCAGCTGAATCTGCGTCTCTA
ACCCTCCCCAAGCACATATCAGAAGTACCTGGTGTTGATGATTACTCAGTTACCAAAGCA
CCTCTTATACTGACATCTGTAGCAATCTCTGCCTCTACTGATAAATCAGATCAGGCAGAT
GCCATCCTAAGGGAGGATATGGAACAAATTACTGAGTCATCCAACTATGAATGGTTTGAC
AGTGAGGTTTCAATGGTAAAGCCAGATATGCAAACTTTGTGGACTATATTGCCAGAATCA
GAGAGAGTTTGGACAAGAACTTCTTCCCTAGAGAAATTGTCCAGAGACATATTGGCAAGT
ACACCACAGAGTGCTGACAGGCTCTGGTTATCTGTGACACAGTCTACCAAATTGCCTCCA
ACCACAATCTCCACCCTGCTAGAGGATGAAGTAATTATGGGTGTACAGGATATTTCGTTA
GAACTGGACCGGATAGGCACAGATTACTATCAGCCTGAGCAAGTCCAAGAGCAAAATGGC
AAGGTTGGTAGTTATGTGGAAATGTCAACAAGTGTTCACTCCACAGAGATGGTTAGTGTG
GCTTGGCCCACAGAAGGAGGAGATGACTTGAGTTATACCCAGACTTCAGGAGCTTTGGTG
GTTTTCTTCAGCCTCCGAGTGACTAACATGATGTTTTCAGAAGATCTGTTTAATAAAAAC
TCCTTGGAGTATAAAGCCCTGGAGCAAAGATTCTTAGAATTGCTGGTTCCCTATCTCCAG
TCAAATCTCACGGGGTTCCAGAACTTAGAAATCCTCAACTTCAGAAATGGCAGCATTGTG
GTGAACAGTCGAATGAAGTTTGCCAATTCTGTCCCTCCTAACGTCAACAATGCGGTGTAC
ATGATTCTGGAAGACTTTTGTACCACTGCCTACAATACCATGAACTTGGCTATTGATAAA
TACTCTCTTGATGTGGAATCAGGTGATGAAGCCAACCCTTGCAAGTTTCAGGCCTGTAAT
GAATTTTCAGAGTGTCTGGTCAACCCCTGGAGTGGAGAAGCAAAGTGCAGATGCTTCCCT
GGATACCTGAGTGTGGAAGAACGGCCCTGTCAGAGTCTCTGTGACCTACAGCCTGACTTC
TGCTTGAATGATGGAAAGTGTGACATTATGCCTGGGCACGGGGCCATTTGTAGGTGCCGG
GTGGGTGAGAACTGGTGGTACCGAGGCAAGCACTGTGAGGAATTTGTGTCTGAGCCCGTG
ATCATAGGCATCACTATTGCCTCCGTGGTTGGACTTCTTGTCATCTTTTCTGCTATCATC
TACTTCTTCATCAGGACTCTTCAAGCACACCATGACAGGAGTGAAAGAGAGAGTCCCTTC
AGTGGCTCCAGCAGGCAGCCTGACAGCCTCTCATCTATTGAGAATGCTGTGAAGTACAAC
CCCGTGTATGAAAGTCACAGGGCTGGATGTGAGAAGTATGAGGGACCCTATCCTCAGCAT
CCCTTCTACAGCTCTGCTAGCGGAGACGTGATTGGTGGGCTGAGCAGAGAAGAAATCAGA
CAGATGTATGAGAGCAGTGAGCTTTCCAGAGAGGAAATTCAAGAGAGAATGAGAGTTTTG
GAACTGTATGCCAATGATCCTGAGTTTGCAGCTTTTGTGAGAGAGCAACAAGTGGAAGAG
GTTTAA
Protein Properties
Number of Residues 1241
Molecular Weight 138619.4
Theoretical pI 4.24
Pfam Domain Function
Signals
  • ["1-22"]
Transmembrane Regions
  • ["1100-1120"]
Protein Sequence
>Interphotoreceptor matrix proteoglycan 2
MIMFPLFGKISLGILIFVLIEGDFPSLTAQTYLSIEEIQEPKSAVSFLLPEESTDLSLAT
KKKQPLDRRETERQWLIRRRRSILFPNGVKICPDESVAEAVANHVKYFKVRVCQEAVWEA
FRTFWDRLPGREEYHYWMNLCEDGVTSIFEMGTNFSESVEHRSLIMKKLTYAKETVSSSE
LSSPVPVGDTSTLGDTTLSVPHPEVDAYEGASESSLERPEESISNEIENVIEEATKPAGE
QIAEFSIHLLGKQYREELQDSSSFHHQHLEEEFISEVENAFTGLPGYKEIRVLEFRSPKE
NDSGVDVYYAVTFNGEAISNTTWDLISLHSNKVENHGLVELDDKPTVVYTISNFRDYIAE
TLQQNFLLGNSSLNPDPDSLQLINVRGVLRHQTEDLVWNTQSSSLQATPSSILDNTFQAA
WPSADESITSSIPPLDFSSGPPSATGRELWSESPLGDLVSTHKLAFPSKMGLSSSPEVLE
VSSLTLHSVTPAVLQTGLPVASEERTSGSHLVEDGLANVEESEDFLSIDSLPSSSFTQPV
PKETIPSMEDSDVSLTSSPYLTSSIPFGLDSLTSKVKDQLKVSPFLPDASMEKELIFDGG
LGSGSGQKVDLITWPWSETSSEKSAEPLSKPWLEDDDSLLPAEIEDKKLVLVDKMDSTDQ
ISKHSKYEHDDRSTHFPEEEPLSGPAVPIFADTAAESASLTLPKHISEVPGVDDYSVTKA
PLILTSVAISASTDKSDQADAILREDMEQITESSNYEWFDSEVSMVKPDMQTLWTILPES
ERVWTRTSSLEKLSRDILASTPQSADRLWLSVTQSTKLPPTTISTLLEDEVIMGVQDISL
ELDRIGTDYYQPEQVQEQNGKVGSYVEMSTSVHSTEMVSVAWPTEGGDDLSYTQTSGALV
VFFSLRVTNMMFSEDLFNKNSLEYKALEQRFLELLVPYLQSNLTGFQNLEILNFRNGSIV
VNSRMKFANSVPPNVNNAVYMILEDFCTTAYNTMNLAIDKYSLDVESGDEANPCKFQACN
EFSECLVNPWSGEAKCRCFPGYLSVEERPCQSLCDLQPDFCLNDGKCDIMPGHGAICRCR
VGENWWYRGKHCEEFVSEPVIIGITIASVVGLLVIFSAIIYFFIRTLQAHHDRSERESPF
SGSSRQPDSLSSIENAVKYNPVYESHRAGCEKYEGPYPQHPFYSSASGDVIGGLSREEIR
QMYESSELSREEIQERMRVLELYANDPEFAAFVREQQVEEV
GenBank ID Protein 57242793
UniProtKB/Swiss-Prot ID Q9BZV3
UniProtKB/Swiss-Prot Entry Name IMPG2_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_016247.2
GeneCard ID IMPG2
GenAtlas ID IMPG2
HGNC ID HGNC:18362
References
General References Not Available