definiens: means any chemical composition or method, including methods of manufacture, that attaches a Payload to a binding domain ( including a ny Antibody ) . The term may be, but is not limited to, any of the following : 1.57.1, which means a Linker th at is ( a ) Controlled by CELGENE or any of its Affiliates as of the Original Effective Date or thereafter during the Term and ( b ) provided by CEL GENE to the Collaboration pursuant to Section 2.2.3(c)(i ) ; or 1.57.2, which means a Linker that is in the public domain, as agreed by the Parties pursuant to Section 2.2.3(e ) ; or 1.57.3, which means a Linker that is ( a ) Controlled by SUTRO or any of its Affiliates as of the Original Effective Date or the reafter during the Term and ( b ) provided by SUTRO t o the Collaboration pursuant to Section 2.2.3(a)(i )