2024-03-27 REL PDBe PDBe PDBe 2023-12-25 2024-03-13 2024-03-13 2024-03-27 Swedish Research Council 2016-03999 Sweden Swedish Research Council 2020-04936 Sweden Knut and Alice Wallenberg Foundation 2018.0042 Sweden Cryo-EM of tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) (C2) Wiseman B Nishio S Jovine L Cell adhesion, fertilization, egg-sperm interaction, gamete recognition, sperm receptor, extracellular matrix, egg coat, zona pellucida, glycoprotein, N-glycan, structural protein, ZP-N domain, block to polyspermy, post-fertilization cleavage, ovastacin Nishio S Emori C Wiseman B Fahrenkamp D Dioguardi E Zamora-Caballero S Bokhove M Han L Stsiapanava A Algarra B Lu Y Kodani M Bainbridge RE Komondor KM Carlson AE Landreh M de Sanctis D Yasumasu S Ikawa M Jovine L ZP2 cleavage blocks polyspermy by modulating the architecture of the egg coat. Cell 187 1440 1459.e24 2024 38490181 doi:10.1016/j.cell.2024.02.013 1097-4172 Gerton GL Hedrick JL The vitelline envelope to fertilization envelope conversion in eggs of Xenopus laevis. Dev Biol US 116 1 7 1986 3089852 doi:10.1016/0012-1606(86)90036-9 0012-1606 Tian J Gong H Thomsen GH Lennarz WJ Gamete interactions in Xenopus laevis: identification of sperm binding glycoproteins in the egg vitelline envelope. J Cell Biol US 136 1099 1108 1997 9060474 doi:10.1083/jcb.136.5.1099 0021-9525 2019 JCLBA3 Tian J Gong H Thomsen GH Lennarz WJ Xenopus laevis sperm-egg adhesion is regulated by modifications in the sperm receptor and the egg vitelline envelope. Dev Biol US 187 143 153 1997 9242413 doi:10.1006/dbio.1997.8607 0012-1606 Tian J Gong H Lennarz WJ Xenopus laevis sperm receptor gp69/64 glycoprotein is a homolog of the mammalian sperm receptor ZP2. Proc Natl Acad Sci U S A US 96 829 834 1999 9927653 doi:10.1073/pnas.96.3.829 0027-8424 0040 PNASA6 Lindsay LL Hedrick JL Proteolysis of Xenopus laevis egg envelope ZPA triggers envelope hardening. Biochem Biophys Res Commun US 324 648 654 2004 15474476 doi:10.1016/j.bbrc.2004.09.099 0006-291X 0146 BBRCA9 Scarpeci SL Sanchez ML Cabada MO Cellular origin of the Bufo arenarum sperm receptor gp75, a ZP2 family member: its proteolysis after fertilization. Biol Cell 100 219 230 2008 17973629 doi:10.1042/BC20070052 1768-322X Hedrick JL Anuran and pig egg zona pellucida glycoproteins in fertilization and early development. Int J Dev Biol 52 683 701 2008 18649282 doi:10.1387/ijdb.082580jh 0214-6282 EMD-19276 other EM volume
Cryo-EM of tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) (C1)
 Tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) Tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) 0 1 Xenopus laevis Egg vitelline envelope Zona pellucida sperm-binding protein 2 (ZP2) / gp69/64 Xenopus laevis
The protein consists of two polypeptide fragments, generated by collagenase cleavage between P160 and V161, that remain covalently linked via a disulfide bond between C139 and C244
Homo sapiens LEVO DEPGSSVVTCTKDSMTVRIPRTLSGFDDEIPVAAPSFWDLEVKFTGQTSLLGMSEARQRGYQFSSDPYYLTVQASYSAFGLNVFNLENQRLYVADLRLVSQFGSPRISIDTPMICARDSPSCNSTHATVLIPFFGGVLTGINVNSVNIQLSSYSLQQHGITLDSRNGYRLYIKRSTLKGDRNDVLVLTFIYYGKTVPMLISLVCSGGSNLEHHHHHHHH O73735 singleParticle particle 0.9 7.8 Quantifoil R2/2 GOLD 300 CARBON HOLEY GLOW DISCHARGE AIR
20 mA
 ETHANE 100 277 FEI VITROBOT MARK IV
Incubate 30 seconds, blot for 3 seconds, force 0 before plunging.
FEI TALOS ARCTICA FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.7 1.4000000000000001 3.0 15000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K2 SUMMIT (4k x 4k) COUNTING 1-40 1 1347 52.0 1 867589 1 C2 4.4 FSC 0.143 CUT-OFF cryoSPARC 3.2 94899 ANGULAR RECONSTITUTION cryoSPARC 3.2 ANGULAR RECONSTITUTION cryoSPARC 3.2 2 86500.0 cryoSPARC 3.2 emd_19277.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 0 0 0 200 200 200 189.18001 189.18001 189.18001 90.0 90.0 90.0 X Y Z -0.48140696 0.7871531 0.00008090684 0.022077005 0.9459 0.9459 0.9459 0.09 AUTHOR Sharpened cryo-EM map of tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) (C2) emd_19277_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 0 0 0 200 200 200 189.18001 189.18001 189.18001 90.0 90.0 90.0 X Y Z -0.104629785 0.23870477 0.00008090683 0.011297109 0.9459 0.9459 0.9459 AUTHOR Unprocessed cryo-EM map of tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) (C2) emd_19277_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 0 0 0 200 200 200 189.18001 189.18001 189.18001 90.0 90.0 90.0 X Y Z -0.13234667 0.2709117 0.00047721885 0.014846837 0.9459 0.9459 0.9459 AUTHOR Cryo-EM half map 1 of tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) (C2) emd_19277_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 0 0 0 200 200 200 189.18001 189.18001 189.18001 90.0 90.0 90.0 X Y Z -0.14751194 0.26556134 0.0004793906 0.014910034 0.9459 0.9459 0.9459 AUTHOR Cryo-EM half map 2 of tetrameric collagenase-cleaved Xenopus ZP2-N2N3 (cleaved xZP2-N2N3) (C2)