Patent ID: 11933778
Assignee: NORTHWESTERN UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  B  C  Y | IPC B  C  G

Claim 3:
4. The protein variant of claim 1, wherein the modification of SEQ ID NO: 1 comprises a modification of the tunnel loop residue of the protein variant, the modification comprising the expansion of a narrowest constriction of a tunnel loop of SEQ ID NO: 1, the restriction of the narrowest constriction of the tunnel loop of SEQ ID NO: 1, or the removal of the narrowest constriction of the tunnel loop of SEQ ID NO: 1, and wherein the protein variant comprises one of: SEQ ID NO: 15, SEQ ID NO: 17, SEQ ID NO: 21, SEQ ID NO: 23, and SEQ ID NO: 25.