Enzymes
| UniProtKB help_outline | 18 proteins |
Reaction participants Show >> << Hide
- Name help_outline 5'-deoxyadenosine Identifier CHEBI:17319 (CAS: 4754-39-6) help_outline Charge 0 Formula C10H13N5O3 InChIKeyhelp_outline XGYIMTFOTBMPFP-KQYNXXCUSA-N SMILEShelp_outline C[C@H]1O[C@H]([C@H](O)[C@@H]1O)n1cnc2c(N)ncnc12 2D coordinates Mol file for the small molecule Search links Involved in 66 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,176 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (Beilstein: 3587155; CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,048 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline 5'-deoxyinosine Identifier CHEBI:82775 Charge 0 Formula C10H12N4O4 InChIKeyhelp_outline IPJDTNIZLKTLEU-KQYNXXCUSA-N SMILEShelp_outline C[C@H]1O[C@H]([C@H](O)[C@@H]1O)n1cnc2c(O)ncnc12 2D coordinates Mol file for the small molecule Search links Involved in 2 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline NH4+ Identifier CHEBI:28938 (CAS: 14798-03-9) help_outline Charge 1 Formula H4N InChIKeyhelp_outline QGZKDVFQNNGYKY-UHFFFAOYSA-O SMILEShelp_outline [H][N+]([H])([H])[H] 2D coordinates Mol file for the small molecule Search links Involved in 518 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:42892 | RHEA:42893 | RHEA:42894 | RHEA:42895 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Purification and characterization of intestinal adenosine deaminase from mice.
Singh L.S., Sharma R.
Adenosine deaminase (ADA) was isolated from small intestine of mice and purified to utmost homogeneity. SDS-PAGE of purified ADA gave a molecular weight of 41 kDa. Western blot analyses gave a single reactive band at 41 kDa and the other band was an associated ADA binding protein. The purified enz ... >> More
Adenosine deaminase (ADA) was isolated from small intestine of mice and purified to utmost homogeneity. SDS-PAGE of purified ADA gave a molecular weight of 41 kDa. Western blot analyses gave a single reactive band at 41 kDa and the other band was an associated ADA binding protein. The purified enzyme was more stable in the alkaline pH. The optimum pH and the pI values were about 7.0 and 4.96, respectively. Km values of the small intestinal ADA for adenosine and 2'-deoxyadenosine were 23 and 16 microM, respectively. Purine riboside was a competitive inhibitor with Ki of 5 microM, whereas 2'-3'-o-isopropylidene adenosine acted as an uncompetitive inhibitor (Ki 66 microM). Activity of ADA was inhibited by the presence of theophylline (-40%), caffeine (-30%), and L-cysteine (-50%). Significantly, Hg2+ (100 microM) inhibited 98% of the initial ADA activity. In addition, various purine analogs such as inosine, purine, alpha-adenosine and adenine showed variable inhibitions on the activity of ADA. Relative ADA activity towards 3'-deoxyadenosine and 6-chloropurine riboside was lower by 30% and 40%, respectively. However, the activity towards 2'-o-methyl adenosine was higher (30%) compared to the activity obtained using adenosine. << Less
Mol Cell Biochem 204:127-134(2000) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.