Home/GT Families/GT64/rib-2
rib-2
Caenorhabditis elegans · Exostosin-like-3 homolog (EC 2.4.1.223; 2.4.1.224; 2.4.1.225)
GT64Model organism · annotation ≥ 4Fold GT-ARetaining
External resources
Identification and annotation
| CAZy family | GT64 · CAZy entry |
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| Gene symbol | rib-2 |
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| Synonyms / alternate names | - Glucuronyl-galactosyl-proteoglycan 4-alpha-N- acetylglucosaminyltransferase
- Glucuronyl-galactosyl-proteoglycan/Glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase
- Multiple exostoses homolog 2
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| UniProt accession | O01705 |
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| NCBI Gene ID | 176502 |
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| Source species | Caenorhabditis elegans |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Exostosin-like-3 homolog (EC 2.4.1.223; 2.4.1.224; 2.4.1.225) |
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| Subcellular location | - Endoplasmic reticulum membrane
- Golgi apparatus membrane
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Structure and mechanism
| Fold type | GT-A |
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| Catalytic mechanism | Retaining |
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| Cation dependence | Yes (Mn2+) |
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| Oligomeric state | Interacts with rib-1 |
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| PDB structures | not curated |
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Donor and acceptor specificity
| Sugar nucleotide donor | - UDP-N-acetyl-alpha-D-glucosamine
- UDP-alpha-D-glucuronate
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| Donor CCD code(s) | UD1, UGA |
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| Acceptor substrate(s) | - 3-O-(beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl)-L-seryl-[protein]
- 3-O-{[(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc](n)-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl}-L-seryl-[protein]
- 3-O-{alpha-D-GlcNAc-[(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc](n)-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl}-L-seryl-[protein]
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
814 aa
MAIKLNGSSRSFVPSLRVSAFLIFIFFVITYIIIYNVSFSEPSWITQDALKQNIENLDDYDASCSGYSIGRILREQKRILASVRLELTESQVKIEEIRTVQEELQRLIPQKQLELSALEGEIEAAQRQLEELRETQNVKVFLPFSPLQIPRELEQPSQISPNQLDDIIDYSRCSISSFMPVYVDIITSGQSEKEWLNVFQEVIPNLVETPDKACIKIHISNGIASPNTTFNSILFNVGSPIINFQSKSIHVQASKIRSFDFPVDVNHIAVEKVDLTPLLPFQRENLISLIVDNTELNFSAFSSLSAEPSRRPIVIVKCSQENCSLERRRQLIGSSTFCFLLPSEMFFQDFLSSLQLGCIPIILSNSQLLPFQDLIDWRRATYRLPLARLPEAHFIVQSFEISDIIEMRRVGRLFYETYLADRHLLARSLLAALRYKLQIPTREVRRNQAIPLFNSSFTAPKGSVVNVQANFDDEYLLGPLESRVESTSYAYNFTEFQLYSYDFWNIIMSPHYTKEFLVNAAELPTEAEFFEDTKIGFRPIEPGSGAEFSKALGGNRQREQFTVVLLTYERDAVLTGALERLHQLPYLNKIIVVWNNVNRDPPDTWPSLHIPVEFIRVAENNLNNRFVPWDRIETEAVLSLDDDIDLMQQEIILAFRVWRENRDRIVGFPARHHARYGDSMFYNSNHTCQMSMILTGAAFIHKNYLTAYTYEMPAEIREHVNSIKNCEDIAMNYLVSHLTRKPPIKTTSRWTLKCPTCTESLYKEGTHFEKRHECMRLFTKIYGYNPLKFSQFRADSILFKTRLPQNHQKCFKYV
Catalytic domain sequence
239 aa
FTVVLLTYERDAVLTGALERLHQLPYLNKIIVVWNNVNRDPPDTWPSLHIPVEFIRVAENNLNNRFVPWDRIETEAVLSLDDDIDLMQQEIILAFRVWRENRDRIVGFPARHHARYGDSMFYNSNHTCQMSMILTGAAFIHKNYLTAYTYEMPAEIREHVNSIKNCEDIAMNYLVSHLTRKPPIKTTSRWTLKCPTCTESLYKEGTHFEKRHECMRLFTKIYGYNPLKFSQFRADSILF
