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2.4.2.1: purine-nucleoside phosphorylase

This is an abbreviated version!
For detailed information about purine-nucleoside phosphorylase, go to the full flat file.

Word Map on EC 2.4.2.1

Reaction

purine 2'-deoxyribonucleoside
+
phosphate
=
purine
 +
2-deoxy-alpha-D-ribose 1-phosphate

Synonyms

5'-deoxy-5'-methylthioadenosine phosphorylase II, 5'-methythioadenosine phosphorylase, adenine nucleoside phosphorylase, adenosine phosphorylase, AgPNP, AmPNP, ANP, ApMTAP, apPNP, bovPNP, bPNO, CKP1, cytokinin riboside phosphorylase, DeoD, deoD_1, DgPNP, EC592_06680, EcPNP, flB, GsPNPI, GsPNPII, GtPNP, hPNP, HpPNP, HsPNO, HsPNP, Ino-Guo phosphorylase, inosine phosphorylase, inosine-guanosine phosphorylase, KlacPNP, KLLA0_C16621g, MTAPII, MtbPNP, nucleotide phosphatase (2.4.2.1), PfPNP, phosphorylase, purine nucleoside, PiPNP, PNP, PNP 1, PNP 2, PNP I, PNP II, PNP-II, PNP-Zg, PNPase, pNPI, PNPII, Pu-NPase, punA, PUNP, PUNPI, PUNPII, purine deoxynucleoside phosphorylase, purine deoxyribonucleoside phosphorylase, purine nucleoside orthophosphate ribosyl transferase, purine nucleoside phosphorylase, purine nucleoside phosphorylase 1, purine nucleoside phosphorylase 2, purine nucleoside phosphorylase DeoD, purine nucleoside phosphorylase DeoD-type, purine nucleoside phosphorylase II, purine ribonucleoside phosphorylase, purine-nucleoside phosphorylases II, SalT, SSO2343, TgPNP, TTC0194, TTC1070, TtPNPI, TtPNPII, TvPNP, xanthosine phosphorylase, XAP, xapA, ylmD

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.2 Pentosyltransferases
                2.4.2.1 purine-nucleoside phosphorylase

pH Range

pH Range on EC 2.4.2.1 - purine-nucleoside phosphorylase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
3 - 11
5 - 11.5
-
pH 5.0: about 50% of maximal activity, pH 11.5: about 85% of maximal activity
5.7 - 8.4
Halalkalibacterium halodurans
-
6 - 10
-
pH 6.0: about 60% of maximal activity, pH 10.0: about 75% of maximal activity
6 - 12
-
pH 6.0: about 65% of maximal activity, pH 12.0: about 25% of maximal activity
6 - 6.8
-
-
6 - 8
over 80% of maximal activity within this range, recombinant enzyme
6 - 9
-
pH 6.0: about 65% of maximal activity, pH 9.0: about 35% of maximal activity
6 - 9.5
-
pH 6.0: about 60% of maximal activity, pH 9.5: about 80% of maximal activity
6.8 - 7.8
-
pH 6.8: about 70% of maximal activity, pH 7.8: about 40% of maximal activity