Ojima:KOX00893p

General Index

All Molecules KOX PR PBX COX

Ion Frequency

Prec.-Product

Neutral Loss

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Uridine

IDs and Links
MassBank	Uridine
CAS	58-96-8
Keio ID	U006+

Top 10 Similar Molecules of Uridine

Ranking	About scoring
U006+ Score:34.68 C119+ Score:10.48 C015+ Score:9.45 G071+ Score:6.23 M051+ Score:5.72 A007+ Score:5.72 G030+ Score:4.76 S044+ Score:4.76 M169+ Score:4.76 M025+ Score:4.76	The similarity score between two molecules is defined as the sum of Shannon entropy of ionic formulas shared by the molecules: $\textstyle - \sum_{p\in shared} \log(\mbox{frequency}(p))$ 代謝物間の類似度スコアは、それらのスペクトルで共有される（アノテートされた）イオン式のシャノン情報量の総和です。

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Page list for each fragment

Pages Related to Peak C9H13N2O6:   U006+   Pages Related to Peak C5H9O4:   A007+  C119+  M051+  U006+   Pages Related to Peak C4H5N2O2:   G071+  U006+   Pages Related to Peak C4H2NO2:   U006+   Pages Related to Peak C3H4NO:   A016+  A017+  A039+  C015+  F025+  P032+  S002+  A064+  D037+  E008+  P060+  U006+  A155+   Pages Related to Peak C3H5O:   C119+  S049+  T010+  T020+  A046+  A143+  A194+  D183+  M025+  S044+  U006+  G030+   Pages Related to Peak C3H3O:   A110+  A138+  C015+  C127+  D173+  G015+  G062+  I025+  O008+  P092+  A052+  M169+

Annotations

Precursor-Product Relationship

About the PP Table (行列表示について)
The matrix is viewed columnwise. The topmost precursor ion in bold face produces the product ions beneath it. Each formula in matrix cells corresponds to the neutral loss. Blackout cells indicate products that cannot be derived, and orange cells indicate a structurally plausible link produced by cleaving a single chemical bond (in cases of ring-opening, two bonds).	行列は列方向に見ます。最上段太字の前駆イオン(precursor ion)が直下の生成イオン群(product ions)になると解釈します。 行列要素に書かれている組成式はニュートラルロスです。黒は前駆イオンから生成しえない関係、オレンジは分子構造における共有結合1本の切断（開環の場合は2本）で生じる関係を意味します。

KOX00893p	245 C9H13N2O6	133 C5H9O4	113 C4H5N2O2	96 C4H2NO2	70 C3H4NO	57 C3H5O	55 C3H3O
245 C9H13N2O6
133 C5H9O4	C4H4N2O2
113 C4H5N2O2	C5H8O4
96 C4H2NO2	C5H11NO4		H3N
70 C3H4NO	C6H9NO5		CHNO
57 C3H5O	C6H8N2O5	C2H4O3	CN2O
55 C3H3O	C6H10N2O5	C2H6O3	CH2N2O		HN	H2

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