| Known Activities | cellobiose phosphorylase (EC 2.4.1.20); cellodextrin phosphorylase (EC 2.4.1.49); chitobiose phosphorylase (EC 2.4.1.-); cyclic β-1,2-glucan synthase (EC 2.4.1.-) |
|---|---|
| Mechanism | Inverting |
| 3D Structure Status | ( α / α ) 6 |
| Catalytic Nucleophile/Base | phosphate |
| Catalytic Proton Donor | Asp |
| Note | Formerly known as glycosyltransferase family GT36; Assigned to a GH family following a paper by Hidaka, Honda, Kitaoka, Nirasawa, Hayashi, Wakagi, Shoun and Fushinobu (Structure (Camb). 2004 Jun;12(6):937-947) (PMID: 15274915) that revealed the evolutionary, structural and mechanistic relationship of these phosphorylases with glycoside hydrolases of clan GH-L. |
| External resources | CAZypedia; |
| Statistics | GenBank accession (530); Uniprot accession (325); PDB accession (12); 3D entries (4); cryst (1) |
| Bacteria | ||||||
| Protein Name | EC# | Organism | GenBank | Uniprot | PDB/3D | |
| cellobiose phosphorylase (CbP) | 2.4.1.20 | Cellulomonas uda DSM 20108 | AAQ20920.1 | Q7WTR6 | cryst | |
| cellobiose phosphorylase (Cbp) | 2.4.1.20 | Clostridium thermocellum YM4 | AAL67138.1 | Q8VP44 | 3QDE[A,B] | |
| chitobiose phosphorylase (ChbP) | 2.4.1.- | Vibrio proteolyticus | BAC87867.1 | Q76IQ9 | 1V7V[A] 1V7W[A] 1V7X[A] |
|
| cellobiose phosphorylase | 2.4.1.20 | [Cellvibrio] gilvus ATCC13127 | BAA28631.1 | O66264 | 2CQS[A,B] 2CQT[A,B] 3ACS[A,B] 3ACT[A,B] 3AFJ[A,B] 3QFY[A,B] 3QFZ[A,B] 3QG0[A,B] |
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