Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B Superfamily5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain 8039497 3000515 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMetallo-dependent phosphatases 8039498 3001067 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AMetallophos_2_1e1ushA2 A: a+b four layersX: Carbon-nitrogen hydrolase-likeH: Metallo-dependent phosphatases (From Topology)T: Metallo-dependent phosphatasesF: Metallophos_2_1ECOD (1.6)
A5_nucleotid_Ce1ushA1 A: a+b complex topologyX: 5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain (From Topology)H: 5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain (From Topology)T: 5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domainF: 5_nucleotid_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.60.21.10 Alpha Beta 4-Layer Sandwich Purple Acid Phosphatase chain A, domain 2CATH (4.3.0)
A3.90.780.10 Alpha Beta Alpha-Beta Complex 5'-nucleotidase domain 2CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00149Calcineurin-like phosphoesterase (Metallophos)Calcineurin-like phosphoesteraseThis family includes a diverse range of phosphoesterases [1], including protein phosphoserine phosphatases, nucleotidases, sphingomyelin phosphodiesterases and 2'-3' cAMP phosphodiesterases as well as nucleases such as bacterial SbcD Swiss:P13457 or ...This family includes a diverse range of phosphoesterases [1], including protein phosphoserine phosphatases, nucleotidases, sphingomyelin phosphodiesterases and 2'-3' cAMP phosphodiesterases as well as nucleases such as bacterial SbcD Swiss:P13457 or yeast MRE11 Swiss:P32829. The most conserved regions in this superfamily centre around the metal chelating residues.
Domain
PF028725'-nucleotidase, C-terminal domain (5_nucleotid_C)5'-nucleotidase, C-terminal domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
5'-NUCLEOTIDASE

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

ChainsEnzyme NameDescriptionCatalytic Residues
5'-nucleotidase (bacterial)  M-CSA #611

5'-nucleotidase is a zinc-containing enzyme involved in ATP hydrolysis and is bound to the membrane as an extracellular nucleotidase, or ectonucleotidase. Bacterial 5'-nucleotidases show a significant sequence homology to animal counterparts suggesting a common evolutionary origin. It is also related to 2',3'-cyclic phosphodiesterases and apyrases, all being part of the superfamily of metallophosphoesterases which also includes the Ser/Thr protein phosphatases and the purple acid phosphatases. The enzyme also has a UDP-sugar hydrolase activity which catalyses the periplasmic degradation of external UDP-glucose to uridine, glucose-1-phosphate and phosphate.

Defined by 12 residues: ASP:A-41HIS:A-43ASP:A-84ASN:A-116HIS:A-117ASP:A-120HIS:A-217HIS:A-252GLN:A-254ARG:A-375ARG:A-379ARG:A-410
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Explore in 3DM-CSA Motif Definition
Up to 10 residues are supported for Structure Motif searching, this motif has 12 residues.
EC: 3.1.3.5 (PDB Primary Data)
EC: 3.6.1.45 (UniProt)