2025-10-01 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY STRUCTURE_SUMMARY chem_comp_atom chem_comp_bond em_3d_fitting_list em_admin pdbx_entry_details pdbx_validate_close_contact struct_conn struct_conn_type _em_3d_fitting_list.accession_code _em_3d_fitting_list.initial_refinement_model_id _em_3d_fitting_list.source_name _em_3d_fitting_list.type _em_admin.last_update _pdbx_entry_details.has_protein_modification REFINEMENT_DESCRIPTION em_3d_fitting_list em_admin _em_3d_fitting_list.accession_code _em_3d_fitting_list.initial_refinement_model_id _em_3d_fitting_list.source_name _em_3d_fitting_list.type _em_admin.last_update PDBe PDBe 2022-09-01 2023-03-29 2023-03-29 2025-10-01 ATIP-Avenir France Structure of an open form of CHIKV nsP1 capping pores Reguera J Jones R Hons M Alphavirus Replication complex, capping pores, membrane pore, Methyltransferase, Guanylyl transferase, VIRAL PROT, VIRAL PROTEIN Jones R Hons M Rabah N Zamarreno N Arranz R Reguera J Structural basis and dynamics of Chikungunya alphavirus RNA capping by nsP1 capping pores. Proc.Natl.Acad.Sci.USA US 120 e2213934120 e2213934120 2023 36913573 doi:10.1073/pnas.2213934120 1091-6490 0040 PNASA6 8axv FULLOVERLAP PDB 6Z0U unspecified
apo form
 PDB 8AOX unspecified
SAM bound
 PDB 8AOV unspecified
GTP bound
 PDB 8AOW unspecified
m7GTP and SAH bound
 PDB 8APX unspecified
m7GMP covalent complex
 EMDB EMD-15704 associated EM volume
Structure of an open form of CHIKV nsP1 capping pores
 Chikungunya nsP1 in an open form Chikungunya nsP1 in an open form 0 1 Chikungunya virus strain S27-African prototype 0.72 mRNA-capping enzyme nsP1 Chikungunya virus strain S27-African prototype S27-African prototype 0.059975421999999994 12 Baculovirus expression vector pFastBac1-HM LEVO MDPVYVDIDADSAFLKALQRAYPMFEVEPRQVTPNDHANARAFSHLAIKLIEQEIDPDSTILDIGSAPARRMMSDRKYHC VCPMRSAEDPERLANYARKLASAAGKVLDRNISGKIGDLQAVMAVPDTETPTFCLHTDVSCRQRADVAIYQDVYAVHAPT SLYHQAIKGVRLAYWVGFDTTPFMYNAMAGAYPSYSTNWADEQVLKAKNIGLCSTDLTEGRRGKLSIMRGKKLEPCDRVL FSVGSTLYPESRKLLKSWHLPSVFHLKGKLSFTCRCDTVVSCEGYVVKRITMSPGLYGKTTGYAVTHHADGFLMCKTTDT VDGERVSFSVCTYVPATICDQMTGILATEVTPEDAQKLLVGLNQRIVVNGRTQRNTNTMKNYMIPVVAQAFSKWAKECRK DMEDEKLLGVRERTLTCCCLWAFKKQKTHTVYKRPDTQSIQKVQAEFDSFVVPSLWSSGLSIPLRTRIKWLLSKVPKTDL TPYSGDAQEARDAEKEAEEEREAELTLEALPPLQAAQEDVQVEIDVEQLEDRAGA Q8JUX6 2.1.1.- ZINC ION 6.5409e-05 12 ZN 2-amino-7-methyl-1,7-dihydro-6H-purin-6-one 0.000165153 12 MY6 singleParticle particle 0.15 7.6 25.0 HEPES HEPES 150.0 NaCl Sodium chloride 1.0 tris(2-carboxyethyl)phosphine TCEP 0.005 glyco-diosgenin GDN Quantifoil R2/2 GOLD 300 GRAPHENE OXIDE CONTINUOUS GLOW DISCHARGE AIR ETHANE 98 25 FEI VITROBOT MARK IV
Sample was incubated with an RNA with a 5' methyl guanosine cap prior to vitrification.
FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.0 2.5 105000.0 GATAN K3 (6k x 4k) 44.7 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 6ZOU C12 2.8 FSC 0.143 CUT-OFF 167543 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_15704.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 500 500 500 0 0 0 500 500 500 419.5 419.5 419.5 90.0 90.0 90.0 X Y Z -2.0879378 3.3930538 0.00039296487 0.058194607 0.839 0.839 0.839 0.25 AUTHOR 6ZOU PDB experimental model FLEXIBLE FIT emd_15704_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 500 500 500 0 0 0 500 500 500 419.5 419.5 419.5 90.0 90.0 90.0 X Y Z -0.20859134 0.7778805 0.0010325711 0.02698482 0.839 0.839 0.839 AUTHOR emd_15704_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 500 500 500 0 0 0 500 500 500 419.5 419.5 419.5 90.0 90.0 90.0 X Y Z -0.21826175 0.7943626 0.0010321528 0.026977062 0.839 0.839 0.839 AUTHOR