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. 2011 Jul 7;52(8):5079–5087. doi: 10.1167/iovs.10-6998

Figure 1.

Figure 1.

Tandem mass spectra of two cross-linked peptides between AQP0 and ezrin subdomain F1. (A) Spectrum of quadruply charged ion corresponding to AQP0 239 to 259 (GSRPSESDGQPEVTGEPVELK) cross-linked with ERM residues 2 to 8 (PKPINVR) (m/z 751.4). (B) Spectrum of quadruply charged ion corresponding to AQP0 239 to 259 cross-linked with ezrin 72 to 79 (KESPLQFK) (m/z 790.3). Annotation of the cross-linked peptides as α- and β-chains is performed according to Schilling et al.,33 with AQP0 239 to 259 assigned to the α-chain and ERM peptides assigned to the β-chain. Only the b- and y-ions are labeled.