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Crystal structure of a septum formation protein Maf from Coccidioides immitis (UMP complex)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold AF-J3KAP5-F1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 Morpheus Fusion D6: 20% (v/v) Ethylene glycol; 10 % (w/v) PEG 8000; 0.04M Imidazole; 0.06M MES monohydrate (acid) pH 6.5; 0.3% w/v NDSB 195, 0.3% w/v NDSB 201, 0.3% w/v NDSB 211, 0.3% w/v NDSB 221, 0.3% w/v NDSB 256 , CoimA.00961.a.A2.PW39528 at 13.2 mg/mL. cocrystallization with 225 mM Uridine 5'-monophosphate (UMP) and 20 mM Magnesium chloride hexahydrate. plate 21394 and G9 drop 2, Puck: PSL-0108, Cryo: direct.
Crystal Properties Matthews coefficient Solvent content 4.71 73.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.542 α = 90 b = 76.542 β = 90 c = 176.111 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS EIGER2 XE 9M 2026-09-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9786 NSLS-II 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.4 46.58 100 0.104 0.106 0.021 0.999 23.2 25.9 21331
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.49 100 1.978 2.018 0.397 0.949 25.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.4 46.58 1.34 21229 1085 99.82 0.2178 0.2165 0.2178 0.2443 0.2466
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.134 f_angle_d 0.591 f_chiral_restr 0.042 f_plane_restr 0.006 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1724 Nucleic Acid Atoms Solvent Atoms 23 Heterogen Atoms 38
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing PDB_EXTRACT data extraction