2026-07-22 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBe PDBe 2026-02-06 2026-06-10 2026-06-10 2026-07-22 H2020 Marie Curie Actions of the European Commission 945405 European Union CryoEM structure of guanidinase from Nitrospira inopinata Prokhorova I Lecomte L Papp G Schreiner C Djinovic-Carugo K Homo 6-mer, hydrolase, guanidine, comammox, METAL BINDING PROTEIN Gemin O Armijo V Lecomte L Hons M Deckers T Bissardon C Rossi C Lauzier K Janocha R Felisaz F Sinoir J Linares R Babenko A Kovalev K Prokhorova I Khusainov I Schreiner C Kolesnikova O Salo VT Schneider S Bowler MW Wolff G Galej WP Mahamid J Muller CW Carugo KD Eustermann S Mattei S Cipriani F Papp G EasyGrid: a versatile platform for automated cryo-EM sample preparation and quality control. Nat.Methods US 23 1359 1367 2026 42337080 doi:10.1038/s41592-026-03127-5 1548-7105 Palatinszky M Herbold CW Growth of complete ammonia oxidizers on guanidine. Nature UK 633 646 653 2024 39143220 doi:10.1038/s41586-024-07832-z 0028-0836 0006 NATUAS PDB 9FEK unspecified EMDB EMD-56607 associated EM volume Guanidinase (homo 6-mer) Guanidinase (homo 6-mer) 0 1 Candidatus Nitrospira inopinata 0.24 Putative agmatinase 2 Candidatus Nitrospira inopinata Escherichia coli LEVO GPMAKKRTYQGKVPLHDNYGPEAKYAVEAEALLPTTKFEEEIARGLELGLPGADSIKDRRIPTFSRGELPHFAGINTFIKAPYVEDVRKCGQYDVAILGAPFDGGTTYRAGTRFGPQGIRKISALYGTYSFELGVDLRESVSICDVGDIFTIPGNIEKTFDQVSKGVGHVFASGAFPVVLGGDHSLGFATVRGVAQHLNGKKLGILHFDRHVDTQDTDLDERMHTTPWFHATNIPNVPAKNLVQIGIGGWQAPRPGVKAGRERQTTIMTVTDCVEMGIENAAKQALEVAFDGVDAVWLSFDVDCLDAAFVPGTGWPEPGGFLPREVLKFLQIIADTKPLAGMEIVECAPPYDAAEITSLMATRVICDVLACQVRSGHLGNRKKR A0A0S4KUT0 singleParticle particle 1 7.5 20.0 C8H18N2O4S Hepes 150.0 NaCl sodium chloride 0.357 C3H8O3 Glycerol Quantifoil R1.2/1.3 COPPER 300 CARBON HOLEY PLASMA CLEANING AIR
Passing several times in front of plasma torch
 ETHANE 85 280
Prepared with EasyGrid2 device by vitrification in ethane jet..
Monodisperse, high purity
 TFS GLACIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 50.0 2.7 1.0 2.5 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN TFS Selectris X 10 TFS FALCON 4i (4k x 4k) 4096 4096 1 549 4.0 40.0 1 398821 cryoSPARC 4.7.0 PHASE FLIPPING AND AMPLITUDE CORRECTION 1 D3 3.1 FSC 0.143 CUT-OFF cryoSPARC 4.7.0 119931 MAXIMUM LIKELIHOOD cryoSPARC 4.7.0 MAXIMUM LIKELIHOOD cryoSPARC 4.7.0 2 114000.0 cryoSPARC 4.7.0 emd_56607.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 224 224 224 0 0 0 224 224 224 196.672 196.672 196.672 90.0 90.0 90.0 X Y Z -0.16576098 0.27647737 -0.0005558023 0.01802814 0.87799996 0.87799996 0.87799996 0.0939 AUTHOR emd_56607_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 224 224 224 0 0 0 224 224 224 196.672 196.672 196.672 90.0 90.0 90.0 X Y Z -0.44792187 0.39987054 0.00053989707 0.049609374 0.87799996 0.87799996 0.87799996 AUTHOR emd_56607_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 224 224 224 0 0 0 224 224 224 196.672 196.672 196.672 90.0 90.0 90.0 X Y Z -0.35095567 0.3910262 0.00053564255 0.04893185 0.87799996 0.87799996 0.87799996 AUTHOR