Neuroligin

Crystal Structure of human Neuroligin 3be8

Neuroligins (NLGN) are a family of postsynaptic proteins which bind to the presynaptic Neurexin (NRXN) to form a complex which attaches neurons. The NLGN family contains 4 members which are numbered 1 to 4. The images at the left and at the right correspond to one representative NLGN, i.e. the crystal structure of human Neuroligin (3be8).

3D Structures of Neuroligin3D Structures of Neuroligin

NLGNNLGN

3bl8 - mNLGN-2 cholinesterase domain – mouse
3be8 - hNLGN-4 cholinesterase domain – human
3bix - rNLGN-1 cholinesterase domain - rat

NLGN+NRXNNLGN+NRXN

2xb6, 2wqz – hNLGN-4 cholinesterase domain+NRXN-1β LNS domain
3b3q - mNLGN-4 cholinesterase domain+NRXN-1β LNS domain
3biw - rNLGN-1 cholinesterase domain+NRXN-1β LNS domain

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Alexander Berchansky, Jaime Prilusky, David Canner, Michal Harel, Pascale Marchot, Joel L. Sussman