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iscS1

Gene
iscS1
Protein
Cysteine desulfurase IscS 1
Organism
Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126)
Length
382 amino acids
Function
Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur atoms from cysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins.
Similarity
Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. NifS/IscS subfamily.
Mass
41.983 kDa
Sequence
MPYFDYASTKPVDERVVEAMLPYMTEHFGNPSSVHSYGFKAREVIEEARGKISELINGGGGDIVFTSGATESNNLALIGYAMRNARKGKHVLVSSIEHMSVINPAKYLQKQGFEVEFIPVDKYGTVDLEFIEEKIREDTILVSVQHANNEIGTIQPIKEISEIINGRAALHVDATASLGQIEVDVEKIGADMLTISSNDIYGPKGVGALWVRQGVRLQPIILGGGQEKGLRSGSENVPAIVGFGKAAEITAKEWGEEAGRLRRLRDRIIDNVLKIEESYLNGHPEKRLPNNVNVRFSYIEGESIVLSLDMAGIQASTGSACSSKTLQPSHVLMACGLKHEEAHGTLLLTLGRYNTDEDVDRLLEVLPGVIERLRSMSPLYRR

Gene
iscS1
Protein
Putative cysteine desulfurase IscS 1
Organism
Bacillus subtilis (strain 168)
Length
379 amino acids
Function
Catalyzes the removal of elemental sulfur from cysteine to produce alanine.
Similarity
Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. NifS/IscS subfamily.
Mass
41.192 kDa
Sequence
MERIYLDHAATSPMDERVLEQMIPHFSGSFGNPSSIHSFGRESRKWVDEARAQIAAEIGAAEQEIIFTSGGTEADNLAIMGTALARKDLGRHIITTKIEHHAVLHTCEKLEGDGFDITYLDVDQNGRVSAKQVKEALRDDTILVTVMYGNNEVGTVQPIEEIGELLKEHKAYFHTDAVQAFGLLPIDVKNSHIDLLSVSGHKLNGPKGTGFLYASKDVKLSPLLFGGEQERKRRAGTENVPGIVGLKEAIKLSSEERDEKNEKYQSFKAIFADTLRDAGVAFEVNGDKEHSLPHVLNLYFPGVSVEALLVNLDMAGVAVSSGSACTAGSVLPSHVLTAMFGEESDRLTSSIRISFGLGNTAEQVKTAAKHVADVVKRLT