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. 2023 Oct 5;14:6214. doi: 10.1038/s41467-023-41999-9

Fig. 7. CLDN23 interaction with CLDN3 and CLDN4 may restrict and block formation of paracellular pores.

Fig. 7

CAVER analysis of CLDN tetrameric channels in all-atom resolution. The secondary structure of CLDNs is shown in ribbon representation. The pore profile (cyan) represents the available pore for ion/water transport across the tetrameric structure. Pore diameter along the length of the pore is shown in the graph below each tetramer. a Homomeric homotypic structures of CLDN3 (blue), CLDN4 (orange), and CLDN23 (green) as well as b heteromeric homotypic CLDN3 and CLDN4. c Heteromeric heterotypic and d heteromeric homotypic trans interaction structures formed by heterodimers of CLDN3 and CLDN4 with CLDN23.