Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilySDR-like 8058104 3000038 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AGDP_Man_Dehyde1qrrA1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: GDP_Man_DehydECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
A3.90.25.10 Alpha Beta Alpha-Beta Complex UDP-galactose 4-epimerase domain 1CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF01370NAD dependent epimerase/dehydratase family (Epimerase)NAD dependent epimerase/dehydratase family- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
sulfolipid biosynthesis (SQD1) PROTEIN

InterPro: Protein Family Classification InterPro Database Homepage

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
UDP-sulfoquinovose synthase  M-CSA #226

The SQD1 enzyme from Arabidopsis thaliana catalyses the addition of sulphite to UDP-glucose to form UDP-6-sulphoquinovose and a molecule of water. This is involved in the biosynthesis of the unique sulpholipid SQDG, found in plants and many photosynthetic bacteria.

Defined by 5 residues: THR:A-145SER:A-180TYR:A-182HIS:A-183LYS:A-186
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Explore in 3DM-CSA Motif Definition