Lipid Modification Database
Tag Content
LipidDB ID
LipidDB-10116-01269
Entry Name
UniProt Accession
Theoretical PI
8.56
Molecular Weight
34174.64
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
NADH-cytochrome b5 reductase 3 soluble form
Protein Synonyms/Alias
B5R; Cytochrome b5 reductase; 1.6.2.2; Diaphorase-1;
Gene Name
Cyb5r3
Gene Synonyms/Alias
Dia1;
Created Date
01-FEB-1991
 Lipid Modification Sites 
 Position   Sequence Form   Peptide   References   Modification Type 
2
Canonical
******MGAQLSTLS
[2][3]
N-Myristoylation
298
Canonical
VGHPKERCFTF****
[1]
S-Palmitoylation
Organism
Rattus norvegicus (Rat)
NCBI Taxa ID
10116
Reference
[1] Predicted from GPS-Lipid
[2] Borgese N, Aggujaro D, Carrera P, Pietrini G, Bassetti M. A role forN-myristoylation in protein targeting: NADH-cytochrome b5 reductase requiresmyristic acid for association with outer mitochondrial but not ER membranes. JCell Biol. 1996 Dec;135(6 Pt 1):1501-13.[PMID:8978818]
[3] Murakami K, Yubisui T, Takeshita M, Miyata T. The NH2-terminal structures ofhuman and rat liver microsomal NADH-cytochrome b5 reductases. J Biochem. 1989Feb;105(2):312-7.[PMID:2498303]
Functional Description
Desaturation and elongation of fatty acids, cholesterol biosynthesis, drug metabolism, and, in erythrocyte, methemoglobin reduction.
Sequence Annotation
Domain: 40 152 FAD-binding FR-type.
Nucleotide-binding: 132 147 FAD.
Nucleotide-binding: 171 206 FAD.
Modified residue: 42 42 N6-acetyllysine.
Modified residue: 43 43 Phosphotyrosine.
Modified residue: 50 50 N6-acetyllysine.
Modified residue: 120 120 N6-acetyllysine.
Protein Length
301 AA.
Protein Sequence
(Canonical)
MGAQLSTLSR VVLSPVWFVY SLFMKLFQRS SPAITLENPD IKYPLRLIDK EIISHDTRRF  60
RFALPSPQHI LGLPIGQHIY LSTRIDGNLV IRPYTPVSSD DDKGFVDLVV KVYFKDTHPK  120
FPAGGKMSQY LENMNIGDTI EFRGPNGLLV YQGKGKFAIR ADKKSNPVVR TVKSVGMIAG  180
GTGITPMLQV IRAVLKDPND HTVCYLLFAN QSEKDILLRP ELEELRNEHS SRFKLWYTVD  240
KAPDAWDYSQ GFVNEEMIRD HLPPPGEETL ILMCGPPPMI QFACLPNLER VGHPKERCFT  300
F                                                                  301
MGAQLSTLSR VVLSPVWFVY SLFMKLFQRS SPAITLENPD IKYPLRLIDK EIISHDTRRF  60
RFALPSPQHI LGLPIGQHIY LSTRIDGNLV IRPYTPVSSD DDKGFVDLVV KVYFKDTHPK  120
FPAGGKMSQY LENMNIGDTI EFRGPNGLLV YQGKGKFAIR ADKKSNPVVR TVKSVGMIAG  180
GTGITPMLQV IRAVLKDPND HTVCYLLFAN QSEKDILLRP ELEELRNEHS SRFKLWYTVD  240
KAPDAWDYSQ GFVNEEMIRD HLPPPGEETL ILMCGPPPMI QFACLPNLER VGHPKERCFT  300
F                                                                  301
FASTA
(Canonical)
>LipidDB-10116-01269|P20070
MGAQLSTLSRVVLSPVWFVYSLFMKLFQRSSPAITLENPDIKYPLRLIDKEIISHDTRRF
RFALPSPQHILGLPIGQHIYLSTRIDGNLVIRPYTPVSSDDDKGFVDLVVKVYFKDTHPK
FPAGGKMSQYLENMNIGDTIEFRGPNGLLVYQGKGKFAIRADKKSNPVVRTVKSVGMIAG
GTGITPMLQVIRAVLKDPNDHTVCYLLFANQSEKDILLRPELEELRNEHSSRFKLWYTVD
KAPDAWDYSQGFVNEEMIRDHLPPPGEETLILMCGPPPMIQFACLPNLERVGHPKERCFT
F
MGAQLSTLSRVVLSPVWFVYSLFMKLFQRSSPAITLENPDIKYPLRLIDKEIISHDTRRF
RFALPSPQHILGLPIGQHIYLSTRIDGNLVIRPYTPVSSDDDKGFVDLVVKVYFKDTHPK
FPAGGKMSQYLENMNIGDTIEFRGPNGLLVYQGKGKFAIRADKKSNPVVRTVKSVGMIAG
GTGITPMLQVIRAVLKDPNDHTVCYLLFANQSEKDILLRPELEELRNEHSSRFKLWYTVD
KAPDAWDYSQGFVNEEMIRDHLPPPGEETLILMCGPPPMIQFACLPNLERVGHPKERCFT
F
Gene Ontology
GO:0005789; C:endoplasmic reticulum membrane; IDA:HGNC
GO:0070062; C:extracellular vesicular exosome; IEA:Ensembl
GO:0005811; C:lipid particle; IEA:Ensembl
GO:0005743; C:mitochondrial inner membrane; IEA:Ensembl
GO:0005741; C:mitochondrial outer membrane; IEA:UniProtKB-KW
GO:0043531; F:ADP binding; IDA:RGD
GO:0016208; F:AMP binding; IDA:RGD
GO:0004128; F:cytochrome-b5 reductase activity, acting on NAD(P)H; TAS:RGD
GO:0071949; F:FAD binding; IEA:Ensembl
GO:0050660; F:flavin adenine dinucleotide binding; IDA:RGD
GO:0051287; F:NAD binding; IDA:RGD
GO:0006695; P:cholesterol biosynthetic process; IEA:UniProtKB-KW
Interpro
InterPro; IPR017927; Fd_Rdtase_FAD-bd
InterPro; IPR001709; Flavoprot_Pyr_Nucl_cyt_Rdtase
InterPro; IPR001834; NADH-Cyt_B5_reductase
InterPro; IPR008333; OxRdtase_FAD-bd_dom
InterPro; IPR001433; OxRdtase_FAD/NAD-bd
InterPro; IPR017938; Riboflavin_synthase-like_b-brl
Pfam
Pfam; PF00970; FAD_binding_6;
Pfam; PF00175; NAD_binding_1;
SMART
PROSITE
PROSITE; PS51384; FAD_FR;
PRINTS
PRINTS; PR00406; CYTB5RDTASE;
PRINTS; PR00371; FPNCR;