3.4.23.2: pepsin B

This is an abbreviated version!
For detailed information about pepsin B, go to the full flat file.

Word Map on EC 3.4.23.2

3.4.23.2

pepsinogen

zymogen

chymosin

proteinases

progastricsin

gelatin

prosegment

prochymosin

juice

gelatinase

gastricsin

calf

mucosa

immunoelectrophoresis

food industry

Reaction

degradation of gelatin; little activity on hemoglobin. Specificity on B chain of insulin additional information restricted than that of pepsin A; does not cleave at Phe1-Val, Gln4-His or Gly23-Phe =

Synonyms

EC 3.4.4.2, gelatinase, More, parapepsin I, pepsin, Pepsina Suina TS

ECTree

3 Hydrolases

3.4 Acting on peptide bonds (peptidases)

3.4.23 Aspartic endopeptidases

3.4.23.2 pepsin B

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Results	in table
3	Activating Compound
7	AA Sequence
1	Application
1	CAS Registry Number
1	Cloned(Commentary)
2	General Stability
5	Inhibitors
14	KM Value [mM]
4	Metals/Ions
7	Molecular Weight [Da]
8	Natural Substrates/ Products (Substrates)
12	Organism
4	pH Optimum
4	pH Range
5	pH Stability
6	Posttranslational Modification
7	Protein Variants
5	Purification (Commentary)
2	Reaction
1	Reaction Type
12	Reference
10	Source Tissue
4	Specific Activity [micromol/min/mg]
50	Substrates and Products (Substrate)
6	Subunits
7	Synonyms
3	Temperature Optimum [°C]
2	Temperature Range [°C]
4	Temperature Stability [°C]
14	Turnover Number [1/s]

KM Value

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KM Value on EC 3.4.23.2 - pepsin B

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1.33 - 152

hemoglobin

2 entries

0.5 - 0.67

KPAAFFRL

2 entries

0.95 - 1.3

KPAEFARL

2 entries

0.35 - 0.71

KPAEFFRL

3 entries

KPAEFLRL

Canis lupus familiaris

Q2AB25

mutant enzyme Y13A/F219S

685069

2.5 - 4

KPAGFARL

2 entries

2.2

KPGGFARL

2 entries