{ "code": "SASDVU7", "status": "Published", "type_of_curve": "SEC-SAS", "angular_unit": "1/A", "project": { "title": "A domain-swapped CaMKII conformation facilitates linker-mediated allosteric regulation.", "publication": { "title": "A domain-swapped CaMKII conformation facilitates linker-mediated allosteric regulation.", "author_list": "Nguyen BV, Özden C, Dong K, Koc OC, Torres-Ocampo AP, Dziedzic N, Flaherty D, Huang J, Sankara S, Abromson NL, Tomchick DR, Fissore RA, Chen J, Garman SC, Stratton MM", "journal": "Nat Commun", "doi": "10.1038/s41467-025-63249-w", "pmid": "41006217", "published_date": "2025 Sep 26" }, "status": "released", "submitted_date": "2024-10-05", "released_date": "2025-09-03" }, "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDVU7.out", "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDVU7.dat", "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDVU7_dat_img.png", "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDVU7_kratky_img.png", "pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDVU7_pofr_img.png", "intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDVU7_guinier_img.png", "sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDVU7.sascif", "experiment": { "instrument": { "detector": { "type": null, "name": "Pilatus3 X 2M", "resolution": 172.0 }, "name": "Advanced Light Source (ALS)", "city": "Berkeley, CA", "country": "USA", "beamline_name": "12.3.1 (SIBYLS)", "beam_geometry": "", "type_of_source": "X-ray synchrotron", "point_source": null, "line_collimation": null, "sample_path_length": null, "line_collimation_slitlength": null, "line_collimation_integrationwidth": null, "xray_energy": null, "beam_profile_ah": null, "beam_profile_al": null }, "sample": { "molecule": [ { "long_name": "Calcium/calmodulin-dependent protein kinase type II subunit alpha (Δ1-6; Q223K; Δ329-344)", "short_name": "CaMKII Exon 14", "sequence": "TRFTEEYQLFEELGKGAFSVVRRCVKVLAGQEYAAKIINTKKLSARDHQKLEREARICRLLKHPNIVRLHDSISEEGHHYLIFDLVTGGELFEDIVAREYYSEADASHCIQQILEAVLHCHQMGVVHRDLKPENLLLASKLKGAAVKLADFGLAIEVEGEQQAWFGFAGTPGYLSPEVLRKDPYGKPVDLWACGVILYILLVGYPPFWDEDQHRLYKQIKAGAYDFPSPEWDTVTPEAKDLINKMLTINPSKRITAAEALKHPWISHRSTVASCMHRQETVDCLKKFNARRKLKGAILTTMLATRNFSGGKSGGNKKSDGVKVRKQEIIKVTEQLIEAISNGDFESYTKMCDPGMTAFEPEALGNLVEGLDFHRFYFENLWSRNSKPVHTTILNPHIHLMGDESACIAYIRITQYLDAGGIPRTAQSEETRVWHRRDGKWQIVHFHRSGAPSVLPH", "organism": "Homo sapiens", "uniprot_code": "Q9UQM7", "uniprot_range_first": 7, "uniprot_range_last": 478, "oligomerization": "dodecamer", "molecular_type": "protein", "uniprot_sequence": "MATITCTRFTEEYQLFEELGKGAFSVVRRCVKVLAGQEYAAKIINTKKLSARDHQKLERE\nARICRLLKHPNIVRLHDSISEEGHHYLIFDLVTGGELFEDIVAREYYSEADASHCIQQIL\nEAVLHCHQMGVVHRDLKPENLLLASKLKGAAVKLADFGLAIEVEGEQQAWFGFAGTPGYL\nSPEVLRKDPYGKPVDLWACGVILYILLVGYPPFWDEDQHRLYQQIKAGAYDFPSPEWDTV\nTPEAKDLINKMLTINPSKRITAAEALKHPWISHRSTVASCMHRQETVDCLKKFNARRKLK\nGAILTTMLATRNFSGGKSGGNKKSDGVKESSESTNTTIEDEDTKVRKQEIIKVTEQLIEA\nISNGDFESYTKMCDPGMTAFEPEALGNLVEGLDFHRFYFENLWSRNSKPVHTTILNPHIH\nLMGDESACIAYIRITQYLDAGGIPRTAQSEETRVWHRRDGKWQIVHFHRSGAPSVLPH", "mw": 51.699, "total_mw": 620.388, "number_molecules": 12, "complex_state": false, "deuteration": null, "molecule_source": "biological", "molecule_description": "The linker region only contains Exon 14." } ], "buffer": { "name": "25 mM tris-HCl pH 8.8, 250 mM KCl, 1 mM TCEP, 2% glycerol", "concentration_unit": null, "comment": null, "additive": null, "concentration": null, "pka": null, "ph": null, "deuteration": null }, "purity_method": null, "name": "Ca2+/calmodulin-dependent protein kinase II (CaMKII) holoenzyme with Exon 14 as the linker region", "ext_coefficient": null, "contrast": null, "specific_vol": null, "dry_vol": null, "absorbption": null, "deuteration": null, "mixture": null }, "contributor": [ { "affiliation": [ { "short_name": null, "address": null, "full_name": "university of massachusetts amherst", "webpage": null } ], "contributor_name": "Bao", "contributor_surname": "Nguyen Viet", "orcid": "" } ], "concentration_method": null, "concentration_unit": null, "date": "2023-04-17", "storage_temperature": -20.0, "cell_temperature": 7.0, "exposure_time": 3.0, "number_of_frames": 600, "wavelength": 0.1127, "sample_detector_distance": 2.1, "concentration_min": null, "concentration_max": 6.0, "sample_volume": 55.0, "flow_rate": 0.65, "s_min": 0.114, "s_max": 4.729, "total_exposure_time": null, "seccolumn": 17 }, "fits": [ { "models": [ { "model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDVU7_fit1_model1_img.png", "software": "GASBOR", "pdb_link": [], "model_title": null, "type_of_model": "dummy", "software_version": "2.3i", "model_data": "https://www.sasbdb.org/media/pdb_file/SASDVU7_fit1_model1.cif", "model_mw": null, "bead_radius": null, "log": null, "symmetry": "P62", "comment": null, "user": 1133 } ], "fit_unit": "1/A", "fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDVU7_fit1_fixed_fit_img.png", "software": "GASBOR", "chi_square_value": 1.15, "p_value": 0.1978, "fit_residual_plot": "SASDVU7_fit1_fitresiduals_img.png", "fit_data": "https://www.sasbdb.org/media/fitting_files/SASDVU7_fit1.fir", "fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/e14_4.log", "software_version": "2.3i", "description": "" } ], "estimated_volume_method": null, "pddf_software": "ATSAS GNOM", "pddf_software_version": "6.2.4", "i0_calibration_standard": null, "description": null, "experiment_description": "Synchrotron SAXS data from solutions of Ca2+/calmodulin-dependent protein kinase II (CaMKII) holoenzyme with Exon 14 as the linker region in 25 mM tris-HCl pH 8.8, 250 mM KCl, 1 mM TCEP, 2% glycerol were collected on the 12.3.1 (SIBYLS) beam line at the Advanced Light Source (ALS; Berkeley, CA, USA) using a Pilatus3 X 2M detector at a sample-detector distance of 2.1 m and at a wavelength of λ = 0.1127 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). In-line size-exclusion chromatography (SEC) SAS was employed. The SEC parameters were as follows: A 55.00 μl sample at 6 mg/ml was injected at a 0.65 ml/min flow rate onto a Shodex KW-800 series column at 7°C. 600 successive 3 second frames were collected. The data were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted.", "tags": [], "intensity_unit": "arbitrary", "experimental_mw": 629.7, "experimental_mw_error": null, "guinier_i0_mw": null, "guinier_i0_mw_error": null, "porod_mw": null, "porod_mw_error": null, "pddf_i0": 5440.0, "pddf_i0_error": null, "guinier_i0": 5291.9, "guinier_i0_error": null, "pddf_rg": 7.11, "pddf_rg_error": null, "guinier_rg": 6.756, "guinier_rg_error": 2.599, "pddf_dmax": 25.7, "pddf_dmax_error": null, "porod_volume": 1437.0, "porod_volume_error": null, "estimated_volume": null, "estimated_volume_error": null, "guinier_point_first": 1, "guinier_point_last": 15, "pddf_point_first": null, "pddf_point_last": null, "i0_calibration_standard_data": null, "intensities_log_log_plot": "SASDVU7_datloglog_img.png", "symmetry": null, "last_modified": "2025-10-07T11:35:25.964047+02:00", "bragg_peak": [] }