B3517E25AE599B029E82144FB6242463269F9D860BE05E299BD5E8D10E2459F457668CB5F4FD8ACDF6A6F2B64FE3D68A

O(4)-succinyl-L-homoserine + L-cysteine = L-cystathionine + succinate.

Source:http://purl.uniprot.org/SHA-384/B3517E25AE599B029E82144FB6242463269F9D860BE05E299BD5E8D10E2459F457668CB5F4FD8ACDF6A6F2B64FE3D68A