Detail Information for IndEnz0002004662
IED ID IndEnz0002004662
Enzyme Type ID protease004662
Protein Name Inter-alpha-trypsin inhibitor heavy chain H1
ITI heavy chain H1
ITI-HC1
Inter-alpha-inhibitor heavy chain 1
Inter-alpha-trypsin inhibitor complex component III
Serum-derived hyaluronan-associated protein
SHAP
Gene Name ITIH1 IGHEP1
Organism Homo sapiens (Human)
Taxonomic Lineage cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Deuterostomia Chordata Craniata Vertebrata Gnathostomata (jawed vertebrates) Teleostomi Euteleostomi Sarcopterygii Dipnotetrapodomorpha Tetrapoda Amniota Mammalia Theria Eutheria Boreoeutheria Euarchontoglires Primates Haplorrhini Simiiformes Catarrhini Hominoidea (apes) Hominidae (great apes) Homininae Homo Homo sapiens (Human)
Enzyme Sequence MDGAMGPRGLLLCMYLVSLLILQAMPALGSATGRSKSSEKRQAVDTAVDGVFIRSLKVNCKVTSRFAHYVVTSQVVNTANEAREVAFDLEIPKTAFISDFAVTADGNAFIGDIKDKVTAWKQYRKAAISGENAGLVRASGRTMEQFTIHLTVNPQSKVTFQLTYEEVLKRNHMQYEIVIKVKPKQLVHHFEIDVDIFEPQGISKLDAQASFLPKELAAQTIKKSFSGKKGHVLFRPTVSQQQSCPTCSTSLLNGHFKVTYDVSRDKICDLLVANNHFAHFFAPQNLTNMNKNVVFVIDISGSMRGQKVKQTKEALLKILGDMQPGDYFDLVLFGTRVQSWKGSLVQASEANLQAAQDFVRGFSLDEATNLNGGLLRGIEILNQVQESLPELSNHASILIMLTDGDPTEGVTDRSQILKNVRNAIRGRFPLYNLGFGHNVDFNFLEVMSMENNGRAQRIYEDHDATQQLQGFYSQVAKPLLVDVDLQYPQDAVLALTQNHHKQYYEGSEIVVAGRIADNKQSSFKADVQAHGEGQEFSITCLVDEEEMKKLLRERGHMLENHVERLWAYLTIQELLAKRMKVDREERANLSSQALQMSLDYGFVTPLTSMSIRGMADQDGLKPTIDKPSEDSPPLEMLGPRRTFVLSALQPSPTHSSSNTQRLPDRVTGVDTDPHFIIHVPQKEDTLCFNINEEPGVILSLVQDPNTGFSVNGQLIGNKARSPGQHDGTYFGRLGIANPATDFQLEVTPQNITLNPGFGGPVFSWRDQAVLRQDGVVVTINKKRNLVVSVDDGGTFEVVLHRVWKGSSVHQDFLGFYVLDSHRMSARTHGLLGQFFHPIGFEVSDIHPGSDPTKPDATMVVRNRRLTVTRGLQKDYSKDPWHGAEVSCWFIHNNGAGLIDGAYTDYIVPDIF
Enzyme Length 911
Uniprot Accession Number P19827
Absorption
Active Site
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity
DNA Binding
EC Number
Enzyme Function FUNCTION: May act as a carrier of hyaluronan in serum or as a binding protein between hyaluronan and other matrix protein, including those on cell surfaces in tissues to regulate the localization, synthesis and degradation of hyaluronan which are essential to cells undergoing biological processes.; FUNCTION: Contains a potential peptide which could stimulate a broad spectrum of phagocytotic cells.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Alternative sequence (2); Beta strand (34); Chain (1); Disulfide bond (2); Domain (2); Glycosylation (5); Helix (16); Modified residue (4); Motif (1); Mutagenesis (1); Natural variant (5); Propeptide (2); Region (1); Sequence conflict (5); Signal peptide (1); Turn (2)
Keywords 3D-structure;Alternative splicing;Direct protein sequencing;Disulfide bond;Glycoprotein;Phosphoprotein;Protease inhibitor;Proteoglycan;Reference proteome;Secreted;Serine protease inhibitor;Signal
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted.
Modified Residue MOD_RES 129; /note=Phosphoserine; /evidence=ECO:0007744|PubMed:24275569; MOD_RES 402; /note=Phosphothreonine; /evidence=ECO:0007744|PubMed:18669648; MOD_RES 407; /note=Phosphothreonine; /evidence=ECO:0007744|PubMed:18669648; MOD_RES 672; /note=Aspartate 1-(chondroitin 4-sulfate)-ester
Post Translational Modification PTM: Heavy chains are linked to bikunin via chondroitin 4-sulfate esterified to the alpha-carboxyl of the C-terminal aspartate after propeptide cleavage.; PTM: The S-linked glycan is composed of two 6-carbon sugars, possibly Glc or Gal. {ECO:0000269|PubMed:12754519, ECO:0000269|PubMed:14760718, ECO:0000269|PubMed:19139490, ECO:0000269|PubMed:19159218, ECO:0000269|PubMed:9425062, ECO:0000269|PubMed:9677337}.
Signal Peptide SIGNAL 1..27; /evidence=ECO:0000255
Structure 3D X-ray crystallography (2)
Cross Reference PDB 6FPY; 6FPZ;
Mapped Pubmed ID 11807786; 15174051; 17675295; 18226209; 18624398; 19367581; 19416921; 21939789; 23300094; 24005673; 24389398; 26496610; 26728454; 27679489; 31484722; 33744857;
Motif MOTIF 181..184; /note=Phagocytosis uptake signal; /evidence=ECO:0000255
Gene Encoded By
Mass 101,389
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda