Protein
Respiratory nitrate reductase subunit alpha
Organism
Haloferax mediterranei (strain ATCC 33500 / DSM 1411 / JCM 8866 / NBRC 14739 / NCIMB 2177 / R-4)
Function
The respiratory membrane-bound nitrate reductase enzyme complex plays a role in generation of metabolic energy by using nitrate as a terminal electron acceptor during anaerobic conditions. The alpha chain is the actual site of nitrate reduction.
Similarity
Belongs to the prokaryotic molybdopterin-containing oxidoreductase family.
Sequence
MSRNDASQLDDGETTAESPPDDQANDAPEVGDPPGDPVDADSGVSRRTFLEGIGVASLLGIGTSAASDDSLFQMGGLKPVDDPIGNYPYRDWEDLYREKWDWDSVSRSTHSVNCTGSCSWNVYVKNGQVWREEQSGDYPRFDESLPDPNPRGCQKGACYTDYVNADQRIKHPLKRVGERGEGKWKRISWDEALTEIAEHVVDEVEAGRYDAISGFTPIPAMSPVSFASGSRLVNLLGGVSHSFYDWYSDLPPGQPITWGTQTDNAESADWYNADYIIAWGSNINVTRIPDAKYFLESGYNGTKRVGVFTDYSQTAIHTDEWLSPDSGTDTALALGMAQTIVDEGLYDEAHLKEQTDMPLLVRQDTGKFLRASDVPSVNTDADRPEWMLLMLDSNGRIREAPGSLGERDGQKDYSKSIELDFDPQLDGETTVQTQSGRVQVRTVWAELRDELANWDPEMVHEETTVGKETYQRIAREFAEADKAKIIQGKGVNDWYHNDLGNRALQLLVTLTGNLGEQGTGLDHYVGQEKIWTFHGWKTLSFPTGKVRGVPTTLWTYYHAGILDNTDPDTAAKIRESIDKGWMPVYPEERDNGSRPDPTTMFVWRGNYFNQAKGNVAVEEQLWPKLDLVVDINFRMDSTAMYSDIVLPTASHYEKHDLSMTDMHTYVHPFTPAVEPLGESKTDWQIFRELAQKIQEVATERGVEPISDRKFDREIDLQSVYDDYVRDWETGEEGALAEDRAACEYILEHSEESNPADSDEQITFADTVEQPQRLLEAGDHWTSDIEDGEAYAPWKDFVQDKNPWPTVTGRQQYYIDHDWFLELGEELPTHKEGPENTGGDYPMEYNTPHGRWAIHSTWRDSEKLLRLQRGEPLLYLHPEDAEERGIEDGDSVEVFNDLAEVELQAKIYPSSQRGTARMYFAWERFQFDSDSNFNSLVPMYMKPTQLVQYPEDSGEHLHFFPNYWGPTGVNSDVRVDVRKAGGGDE