Catalyzes the removal of elemental sulfur atoms from cysteine to produce alanine. Seems to participate in the biosynthesis of the nitrogenase metalloclusters by providing the inorganic sulfur required for the Fe-S core formation.

Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. NifS/IscS subfamily.

400 amino acids

MSVIYLDNNATTKVDPEVVEAIMPYLTDYYGNPSSMHTFGGQLGKAVRTAREQVAALLGADESEIVFTSCGTEGDNAAIRAALLAQPEKRHIITTQVEHPAVLNVCKQLETQGYTVTYLSVNGHGQLDLDELEASLTGNTALVTIMYANNETGTVFPIEEIGKRVKERGAIFHVDAVQAVGKIPLNMKTSTIDMLTISGHKIHAPKGIGALYVRRGVRFRPLLIGGHQERGRRAGTENVPGIVGLGKAAELELIHIETAIKKETRLRDRLEQTLLAKIPDCEVNGDVTQRLPNTTNIGFKYIEGEAILLSLNKYGICASSGSACTSGSLEPSHVLRAMGLPYTTLHGSIRFSLCRYTTEAQIDRVIEVMPEIVERLRALSPFKNDEAGWLQAQEQTLAHR

43.7 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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