Cytochrome b-245 heavy chain

NameCytochrome b-245 heavy chain
Synonyms
  • 1.-.-.-
  • CGD91-phox
  • Cytochrome b(558) subunit beta
  • Cytochrome b558 subunit beta
  • gp91-1
  • gp91-phox
  • Heme-binding membrane glycoprotein gp91phox
  • NADPH oxidase 2
  • Neutrophil cytochrome b 91 kDa polypeptide
  • NOX2
  • p22 phagocyte B-cytochrome
  • Superoxide-generating NADPH oxidase heavy chain subunit
Gene NameCYBB
OrganismHuman
Amino acid sequence
>lcl|BSEQ0008681|Cytochrome b-245 heavy chain
MGNWAVNEGLSIFVILVWLGLNVFLFVWYYRVYDIPPKFFYTRKLLGSALALARAPAACL
NFNCMLILLPVCRNLLSFLRGSSACCSTRVRRQLDRNLTFHKMVAWMIALHSAIHTIAHL
FNVEWCVNARVNNSDPYSVALSELGDRQNESYLNFARKRIKNPEGGLYLAVTLLAGITGV
VITLCLILIITSSTKTIRRSYFEVFWYTHHLFVIFFIGLAIHGAERIVRGQTAESLAVHN
ITVCEQKISEWGKIKECPIPQFAGNPPMTWKWIVGPMFLYLCERLVRFWRSQQKVVITKV
VTHPFKTIELQMKKKGFKMEVGQYIFVKCPKVSKLEWHPFTLTSAPEEDFFSIHIRIVGD
WTEGLFNACGCDKQEFQDAWKLPKIAVDGPFGTASEDVFSYEVVMLVGAGIGVTPFASIL
KSVWYKYCNNATNLKLKKIYFYWLCRDTHAFEWFADLLQLLESQMQERNNAGFLSYNIYL
TGWDESQANHFAVHHDEEKDVITGLKQKTLYGRPNWDNEFKTIASQHPNTRIGVFLCGPE
ALAETLSKQSISNSESGPRGVHFIFNKENF
Number of residues570
Molecular Weight65335.415
Theoretical pINot Available
GO Classification
Functions
  • heme binding
  • voltage-gated ion channel activity
  • metal ion binding
  • superoxide-generating NADPH oxidase activity
  • protein heterodimerization activity
  • flavin adenine dinucleotide binding
Processes
  • phagosome maturation
  • antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent
  • antigen processing and presentation of peptide antigen via MHC class I
  • hydrogen peroxide biosynthetic process
  • inflammatory response
  • superoxide metabolic process
  • small GTPase mediated signal transduction
  • innate immune response
  • superoxide anion generation
  • oxidation-reduction process
  • vascular endothelial growth factor receptor signaling pathway
  • antigen processing and presentation of exogenous peptide antigen via MHC class I
  • respiratory burst
Components
  • mitochondrion
  • plasma membrane
  • phagocytic vesicle membrane
  • NADPH oxidase complex
  • integral component of plasma membrane
General FunctionVoltage-gated ion channel activity
Specific FunctionCritical component of the membrane-bound oxidase of phagocytes that generates superoxide. It is the terminal component of a respiratory chain that transfers single electrons from cytoplasmic NADPH across the plasma membrane to molecular oxygen on the exterior. Also functions as a voltage-gated proton channel that mediates the H(+) currents of resting phagocytes. It participates in the regulation of cellular pH and is blocked by zinc.
Pfam Domain Function
Transmembrane Regions9-29 49-69 103-123 170-190 201-221 262-282
GenBank Protein IDNot Available
UniProtKB IDP04839
UniProtKB Entry NameCY24B_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0013350|Cytochrome b-245 heavy chain (CYBB)
ATGGGGAACTGGGCTGTGAATGAGGGGCTCTCCATTTTTGTCATTCTGGTTTGGCTGGGG
TTGAACGTCTTCCTCTTTGTCTGGTATTACCGGGTTTATGATATTCCACCTAAGTTCTTT
TACACAAGAAAACTTCTTGGGTCAGCACTGGCACTGGCCAGGGCCCCTGCAGCCTGCCTG
AATTTCAACTGCATGCTGATTCTCTTGCCAGTCTGTCGAAATCTGCTGTCCTTCCTCAGG
GGTTCCAGTGCGTGCTGCTCAACAAGAGTTCGAAGACAACTGGACAGGAATCTCACCTTT
CATAAAATGGTGGCATGGATGATTGCACTTCACTCTGCGATTCACACCATTGCACATCTA
TTTAATGTGGAATGGTGTGTGAATGCCCGAGTCAATAATTCTGATCCTTATTCAGTAGCA
CTCTCTGAACTTGGAGACAGGCAAAATGAAAGTTATCTCAATTTTGCTCGAAAGAGAATA
AAGAACCCTGAAGGAGGCCTGTACCTGGCTGTGACCCTGTTGGCAGGCATCACTGGAGTT
GTCATCACGCTGTGCCTCATATTAATTATCACTTCCTCCACCAAAACCATCCGGAGGTCT
TACTTTGAAGTCTTTTGGTACACACATCATCTCTTTGTGATCTTCTTCATTGGCCTTGCC
ATCCATGGAGCTGAACGAATTGTACGTGGGCAGACCGCAGAGAGTTTGGCTGTGCATAAT
ATAACAGTTTGTGAACAAAAAATCTCAGAATGGGGAAAAATAAAGGAATGCCCAATCCCT
CAGTTTGCTGGAAACCCTCCTATGACTTGGAAATGGATAGTGGGTCCCATGTTTCTGTAT
CTCTGTGAGAGGTTGGTGCGGTTTTGGCGATCTCAACAGAAGGTGGTCATCACCAAGGTG
GTCACTCACCCTTTCAAAACCATCGAGCTACAGATGAAGAAGAAGGGGTTCAAAATGGAA
GTGGGACAATACATTTTTGTCAAGTGCCCAAAGGTGTCCAAGCTGGAGTGGCACCCTTTT
ACACTGACATCCGCCCCTGAGGAAGACTTCTTTAGTATCCATATCCGCATCGTTGGGGAC
TGGACAGAGGGGCTGTTCAATGCTTGTGGCTGTGATAAGCAGGAGTTTCAAGATGCGTGG
AAACTACCTAAGATAGCGGTTGATGGGCCCTTTGGCACTGCCAGTGAAGATGTGTTCAGC
TATGAGGTGGTGATGTTAGTGGGAGCAGGGATTGGGGTCACACCCTTCGCATCCATTCTC
AAGTCAGTCTGGTACAAATATTGCAATAACGCCACCAATCTGAAGCTCAAAAAGATCTAC
TTCTACTGGCTGTGCCGGGACACACATGCCTTTGAGTGGTTTGCAGATCTGCTGCAACTG
CTGGAGAGCCAGATGCAGGAAAGGAACAATGCCGGCTTCCTCAGCTACAACATCTACCTC
ACTGGCTGGGATGAGTCTCAGGCCAATCACTTTGCTGTGCACCATGATGAGGAGAAAGAT
GTGATCACAGGCCTGAAACAAAAGACTTTGTATGGACGGCCCAACTGGGATAATGAATTC
AAGACAATTGCAAGTCAACACCCTAATACCAGAATAGGAGTTTTCCTCTGTGGACCTGAA
GCCTTGGCTGAAACCCTGAGTAAACAAAGCATCTCCAACTCTGAGTCTGGCCCTCGGGGA
GTGCATTTCATTTTCAACAAGGAAAACTTCTAA
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:2578
Chromosome LocationX
LocusNot Available
References
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