1.6.2.2: cytochrome-b5 reductase

This is an abbreviated version!
For detailed information about cytochrome-b5 reductase, go to the full flat file.

Word Map on EC 1.6.2.2

1.6.2.2

erythrocyte

methemoglobinemia

nadph-cytochrome

hereditary

reductases

cyanosis

fad

ferricyanide

flavoproteins

desaturation

dt-diaphorase

aniline

amidoxime

methb

hemolysate

bioreductive

n-demethylase

aminopyrine

marc

n-hydroxylated

mixed-function

nadh-binding

methaemoglobin

medicine

oxyhemoglobin

diagnostics

analysis

industry

drug development

Reaction

+ 2 ferricytochrome b5 =

+ 2 ferrocytochrome b5

Synonyms

b5 plusb5R, b5/b5R, B5R, cb5r, CBR, CBR1, CBR1A, CBR1B, CyB5R, CYB5R2, CYB5R3, Cyb5R4, cyt b5r, cyt b5R protein, cytochrome b5 reductase, cytochrome b5 reductase 2, cytochrome b5 reductase 3, DIA1, diaphorase I, dihydronicotinamide adenine dinucleotide-cytochrome b5 reductase, HPO-19, methemoglobin reductase, NADH cytochrome b5 oxidoreductase, NADH cytochrome B5 reductase, NADH-b5R, NADH-cytochrome b 5 reductase, NADH-cytochrome b5 reductase, NADH-cytochrome b5 reductase 3, NADH-cytochrome-b5 reductase, NADH-cytochrome-b5 reductase 3, NADH-dependent cytochrome b5 reductase, NADH-ferricyanide reductase, NADH-ferricytochrome b5 oxidoreductase, NADH-ferricytochrome reductase, NADH: ferricytochrome b5 oxidoreductase, NADH:cytochrome b5 reductase, NADH:ferricytochrome b5 oxidoreductase, Ncb5or, P34/P32, P35, reduced nicotinamide adeninedinucleotide-cytochrome b5 reductase, reductase, cytochrome b5, T05H4.4

ECTree

1 Oxidoreductases

1.6 Acting on NADH or NADPH

1.6.2 With a heme protein as acceptor

1.6.2.2 cytochrome-b5 reductase

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Results	in table
4	Activating Compound
9501	AA Sequence
13	Application
1	CAS Registry Number
37	Cloned(Commentary)
143	Cofactor
13	Crystallization (Commentary)
772	Disease/ Diagnostics
3	Expression
36	General Information
13	General Stability
15	IC50 Value
118	Inhibitors
23	kcat/KM [mM/s]
5	Ki Value [mM]
302	KM Value [mM]
111	Localization
9	Metals/Ions
50	Molecular Weight [Da]
75	Natural Substrates/ Products (Substrates)
170	Organism
1	Oxidation Stability
1	Pathway
21	PDB ID
27	pH Optimum
2	pH Range
2	pH Stability
1	pI Value
5	Posttranslational Modification
117	Protein Variants
60	Purification (Commentary)
9	Reaction
3	Reaction Type
167	Reference
1	Renatured (Commentary)
126	Source Tissue
44	Specific Activity [micromol/min/mg]
13	Storage Stability
246	Substrates and Products (Substrate)
41	Subunits
129	Synonyms
1	Systematic Name
8	Temperature Optimum [°C]
7	Temperature Stability [°C]
224	Turnover Number [1/s]

Molecular Weight

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Molecular Weight on EC 1.6.2.2 - cytochrome-b5 reductase

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135000

Pisum sativum

gel filtration

394205

200000

Phascolopsis gouldii

oligomeric aggregate of detergent-solubilized enzyme in aqueous media, gel filtration

394194

22000

Tetrahymena pyriformis

x * 22000, SDS-PAGE

394219

25000

Oryctolagus cuniculus

liver, cytosol, gel filtration, sucrose density gradient centrifugation

394227

27000

2 entries

28000

2 entries

29000

Physarum polycephalum

x * 29000, SDS-PAGE

30000

30588

1 * 30588, recombinant enzyme, MALDI-TOF mass spectrometry

394247

30810

Sus scrofa

calculated from amino acid sequence

31000

31170

x * 31170, deduced from nucleotide sequence

394256

31365

Canis lupus familiaris

x * 31365, mass spectrometry of histidine-tagged variant of the soluble, catalytic diaphorase domain, comprising residues I33 to F300

32000

33000

33100

33200

Propsilocerus akamusi

gel filtration

34000

34500

4 * 34500, SDS-PAGE

34700

Oryctolagus cuniculus

erythrocytes, cytosol, gel filtration, calculation from FAD content

35000

36000

365000

38400

x * 38400, liver microsomes, sedimentation equilibrium

394232

42800

Rattus norvegicus

x * 42800, chimeric protein NADH-cytochrome b5 reductase-cytochrome b5, confirmed by SDS-PAGE

696154

44000

2 entries