2026-09-23 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update STRUCTURE_SUMMARY chem_comp_atom chem_comp_bond em_admin pdbx_entry_details pdbx_modification_feature _em_admin.last_update _pdbx_entry_details.has_protein_modification REMEDIATION REPOSITORY Metalloprotein remediation STRUCTURE_SUMMARY em_admin pdbx_modification_feature pdbx_nonpoly_atom_coordination pdbx_nonpoly_atom_coordination_sphere pdbx_nonpoly_atom_coordination_sphere_order pdbx_struct_conn_angle struct_conn _em_admin.last_update PDBe PDBe 2022-03-28 2022-10-12 2022-10-12 2026-09-23 Biotechnology and Biological Sciences Research Council (BBSRC) BB/N016734/1 United Kingdom PucA-LH2 complex from Rps. palustris Qian P Cogdell RJ light harvesting complex 2, LH2, Rps. palustris, photosynthesis, purple bacteria, cryo-EM, single particle analysis Qian P Nguyen-Phan CT Gardiner AT Croll TI Roszak AW Southall J Jackson PJ Vasilev C Castro-Hartmann P Sader K Hunter CN Cogdell RJ Cryo-EM structures of light-harvesting 2 complexes from Rhodopseudomonas palustris reveal the molecular origin of absorption tuning. Proc.Natl.Acad.Sci.USA US 119 e2210109119 e2210109119 2022 36251992 doi:10.1073/pnas.2210109119 1091-6490 0040 PNASA6 Qian P Cogdell RJ Real-space refinement in PHENIX for cryo-EM and crystallography Acta Crystallogr., Sect. D: Biol. Crystallogr. DK 74 531 544 2018 0907-4449 0766 ABCRE6 Qian P Cogdell R Cryo-EM structures of light harvesting complex 2 from Rhodopseudomonas palustris: a molecular origin of spectroscopic variation To Be Published 0353 7zcu FULLOVERLAP EMDB EMD-14633 associated EM volume
PucA-LH2 complex from Rps. palustris
 PucA-LH2 from Rps. palustris PucA-LH2 from Rps. palustris 0 1 2 3
Delt-pucBA(bced)
Rhodopseudomonas palustris ATCC 17001 Light-harvesting protein B-800-850 alpha chain Rhodopseudomonas palustris ATCC 17001 ATCC 17001 0.006443515 9 LEVO (CXM)NQARIWTVVKPTVGLPLLLGSVTVIAILVHFAVLSHTTWFSKYWNGKAAAIESSVNVG A0A2R4GUT4 Light-harvesting protein B-800-850 beta chain Rhodopseudomonas palustris ATCC 17001 ATCC 17001 0.005288060999999999 9 LEVO MADKTLTGLTVEESEELHKHVIDGTRIFGAIAIVAHFLAYVYSPWLH A0A2R4GUZ8 PucA-LH2-gamma Rhodopseudomonas palustris ATCC 17001 ATCC 17001 0.010848179 1 LEVO MSEEYKGHSGHPLILKQEGEYKGYSGEPLILKQEGEYKGYSGTPLILEQKGEYQSFSGTPLILKQEGEYRGFSGAPLILK QDGEYKSFSGYPLLLNI Q6N9P5 BACTERIOCHLOROPHYLL A 0.0009115039999999999 33 BCL 1,2-Dihydro-psi,psi-caroten-1-ol 0.000554888 9 IRM water 1.8015e-05 9 HOH singleParticle particle 7.0 8.0 20.0 C4H11NO3 Tris.HCl
0.1% LDAO in 20 mM Tris.Cl pH 8.0
 Quantifoil R1.2/1.3 COPPER 300 CARBON HOLEY ARRAY GLOW DISCHARGE AIR ETHANE 100 277 FEI VITROBOT MARK IV
Chamber humidity: 100%; Chamber temperature: 4 oC; Blotting time: 2.5; Blotting force: 3; Wait time: 30 sec.
protein was purified using LDAO detergent.
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 50.0 2.7 0.8 2.4 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN 80.0 GIF Bioquantum 20 GATAN K3 BIOQUANTUM (6k x 4k) 1 4865 1.4 42.03
Images were collected in AFIS mode.
 1 2407413 CTFFIND 4.0 NONE 1LGH 1 C1 BACK PROJECTION 2.7 FSC 0.143 CUT-OFF RELION 3.1 368671 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD RELION 3.1 4 RELION 3.1 emd_14633.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 270 270 270 0 0 0 270 270 270 175.5 175.5 175.5 90.0 90.0 90.0 X Y Z -0.0714426 0.12852654 0.00024317326 0.004090469 0.65 0.65 0.65 0.0145 AUTHOR LH2 from Rps. palustris. emd_14633_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 270 270 270 0 0 0 270 270 270 175.5 175.5 175.5 90.0 90.0 90.0 X Y Z -0.01736216 0.033935096 0.0001276528 0.0020755858 0.65 0.65 0.65 AUTHOR The first half map, z-flipped. emd_14633_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 270 270 270 0 0 0 270 270 270 175.5 175.5 175.5 90.0 90.0 90.0 X Y Z -0.016321592 0.033434585 0.00012830002 0.002075634 0.65 0.65 0.65 AUTHOR The second half map, z-flipped.