CATH Classification

Domain Context

CATH Clusters

Superfamily Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Functional Family Myotubularin 1, isoform CRA_a

Enzyme Information

3.1.3.95
Phosphatidylinositol-3,5-bisphosphate 3-phosphatase.
based on mapping to UniProt Q13613
1-phosphatidyl-1D-myo-inositol 3,5-bisphosphate + H(2)O = 1-phosphatidyl- 1D-myo-inositol 5-phosphate + phosphate.
-!- The enzyme is found in both plants and animals. -!- It also has the activity of EC 3.1.3.64.
3.1.3.64
Phosphatidylinositol-3-phosphatase.
based on mapping to UniProt Q13613
1-phosphatidyl-1D-myo-inositol 3-phosphate + H(2)O = 1-phosphatidyl- 1D-myo-inositol + phosphate.
-!- This enzyme still works when the 2,3-bis(acyloxy)propyl group is removed, i.e., it hydrolyzes Ins(1,3)P(2) to Ins-1-P. -!- Formerly EC 3.1.3.65.

UniProtKB Entries (1)

Q13613
MTMR1_HUMAN
Homo sapiens
Myotubularin-related protein 1

PDB Structure

PDB 5C16
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal Structure of Human Myotubularin-Related Protein 1 Provides Insight into the Structural Basis of Substrate Specificity
Bong, S.M., Son, K.B., Yang, S.W., Park, J.W., Cho, J.W., Kim, K.T., Kim, H., Kim, S.J., Kim, Y.J., Lee, B.I.
Plos One
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