MassBank:KOX00039p

General Index

All Molecules KOX PR PBX COX

Ion Frequency

Prec.-Product

Neutral Loss

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a-Aminoisobutyrate

IDs and Links
MassBank	a-Aminoisobutyrate
CAS	62-57-7
Keio ID	A048+

Top 10 Similar Molecules of a-Aminoisobutyrate

Ranking	About scoring
KOX00696p Score:14.11 KOX00644p Score:14.11 KOX00662p Score:10.76 KOX00276p Score:10.76 KOX00002p Score:10.76 KOX00251p Score:10.41 KOX00700p Score:8.97 KOX00113p Score:8.97 KOX00059p Score:8.97 KOX00838p Score:8.72	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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Annotations

Precursor	Product	Comments
C4H10NO2 (104)	C4H7O2 (87)	c
C4H10NO2 (104)	C3H10N (60)	a
C4H10NO2 (104)	C3H8N (58)	a

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。

KOX00039p	104 C4H10NO2	87 C4H7O2	60 C3H10N	59 C3H7O	58 C3H8N
104 C4H10NO2
87 C4H7O2	H3N
60 C3H10N	CO2
59 C3H7O	CH3NO	CO
58 C3H8N	CH2O2		H2

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