Protein: Methane monooxygenase component A alpha chain (EC 1.14.13.25) (Methane hydroxylase) (P22869)
Organism: Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath)
Function: Responsible for the initial oxygenation of methane to methanol in methanotrophs. It also catalyzes the monohydroxylation of a variety of unactivated alkenes, alicyclic, aromatic and heterocyclic compounds.
Sequence: MALSTATKAATDALAANRAPTSVNAQEVHRWLQSFNWDFKNNRTKYATKYKMANETKEQFKLIAKEYARMEAVKDERQFGSLQDALTRLNAGVRVHPKWNETMKVVSNFLEVGEYNAIAATGMLWDSAQAAEQKNGYLAQVLDEIRHTHQCAYVNYYFAKNGQDPAGHNDARRTRTIGPLWKGMKRVFSDGFISGDAVECSLNLQLVGEACFTNPLIVAVTEWAAANGDEITPTVFLSIETDELRHMANGYQTVVSIANDPASAKYLNTDLNNAFWTQQKYFTPVLGMLFEYGSKFKVEPWVKTWNRWVYEDWGGIWIGRLGKYGVESPRSLKDAKQDAYWAHHDLYLLAYALWPTGFFRLALPDQEEMEWFEANYPGWYDHYGKIYEEWRARGCEDPSSGFIPLMWFIENNHPIYIDRVSQVPFCPSLAKGASTLRVHEYNGQMHTFSDQWGERMWLAEPERYECQNIFEQYEGRELSEVIAELHGLRSDGKTLIAQPHVRGDKLWTLDDIKRLNCVFKNPVKAFN
InterPro domains: - IPR012348: Ribonucleotide reductase-like (homologous_superfamily) [1-526]
- IPR009078: Ferritin-like superfamily (homologous_superfamily) [19-525]
- IPR003430: Propane/methane/phenol/toluene hydroxylase (family) [38-260]
Interaction partners: - Methane monooxygenase component A gamma chain
- Methane monooxygenase component A beta chain
- Methane monooxygenase regulatory protein B
- Methane monooxygenase component C
- Methane monooxygenase component D
- Particulate methane monooxygenase alpha subunit
- Methane monooxygenase, C subunit
- Methanol dehydrogenase protein, large subunit
- Particulate methane monooxygenase beta subunit
- Putative methanol dehydrogenase protein, large subunit
Gene Ontology annotations:
Molecular Function (MF): GO:0003674 (molecular function), GO:0005488 (binding), GO:0003824 (catalytic activity), GO:0043167 (ion binding), GO:0005515 (protein binding), GO:0016491 (oxidoreductase activity), GO:0042802 (identical protein binding), GO:0043169 (cation binding), GO:0004497 (monooxygenase activity), GO:0016705 (oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen), GO:0046872 (metal ion binding), GO:0046914 (transition metal ion binding), GO:0005506 (iron ion binding), GO:0030145 (manganese ion binding)
Biological Process (BP): GO:0008150 (biological process), GO:0008152 (metabolic process), GO:0009987 (cellular process), GO:0009058 (biosynthetic process), GO:0044237 (cellular metabolic process), GO:0044281 (small molecule metabolic process), GO:0006807 (nitrogen compound metabolic process), GO:0071704 (organic substance metabolic process), GO:0044238 (primary metabolic process), GO:1901360 (organic cyclic compound metabolic process), GO:1901576 (organic substance biosynthetic process), GO:1901564 (organonitrogen compound metabolic process), GO:0006139 (nucleobase-containing compound metabolic process), GO:0046483 (heterocycle metabolic process), GO:0055086 (nucleobase-containing small molecule metabolic process), GO:0019637 (organophosphate metabolic process), GO:0044249 (cellular biosynthetic process), GO:0006725 (cellular aromatic compound metabolic process), GO:0034641 (cellular nitrogen compound metabolic process), GO:1901135 (carbohydrate derivative metabolic process), GO:0006793 (phosphorus metabolic process), GO:1901566 (organonitrogen compound biosynthetic process), GO:1901362 (organic cyclic compound biosynthetic process), GO:0006753 (nucleoside phosphate metabolic process), GO:0019438 (aromatic compound biosynthetic process), GO:0019693 (ribose phosphate metabolic process), GO:0018130 (heterocycle biosynthetic process), GO:0090407 (organophosphate biosynthetic process), GO:0044271 (cellular nitrogen compound biosynthetic process), GO:0006796 (phosphate-containing compound metabolic process), GO:0072521 (purine-containing compound metabolic process), GO:1901137 (carbohydrate derivative biosynthetic process), GO:0034654 (nucleobase-containing compound biosynthetic process), GO:0009259 (ribonucleotide metabolic process), GO:0009141 (nucleoside triphosphate metabolic process), GO:0009117 (nucleotide metabolic process), GO:0046390 (ribose phosphate biosynthetic process), GO:0006163 (purine nucleotide metabolic process), GO:0072522 (purine-containing compound biosynthetic process), GO:1901293 (nucleoside phosphate biosynthetic process), GO:0009165 (nucleotide biosynthetic process), GO:0009144 (purine nucleoside triphosphate metabolic process), GO:0006164 (purine nucleotide biosynthetic process), GO:0009150 (purine ribonucleotide metabolic process), GO:0009260 (ribonucleotide biosynthetic process), GO:0009199 (ribonucleoside triphosphate metabolic process), GO:0009142 (nucleoside triphosphate biosynthetic process), GO:0009201 (ribonucleoside triphosphate biosynthetic process), GO:0009152 (purine ribonucleotide biosynthetic process), GO:0046034 (ATP metabolic process), GO:0009145 (purine nucleoside triphosphate biosynthetic process), GO:0009205 (purine ribonucleoside triphosphate metabolic process), GO:0006754 (ATP biosynthetic process), GO:0009206 (purine ribonucleoside triphosphate biosynthetic process)
Cellular Component (CC): GO:0005575 (cellular component), GO:0110165 (cellular anatomical entity), GO:0005737 (cytoplasm), GO:0005622 (intracellular anatomical structure)