HEADER METAL TRANSPORT 09-APR-18 6CZQ TITLE A V-TO-F SUBSTITUTION IN SK2 CHANNELS CAUSES CA2+ HYPERSENSITIVITY AND TITLE 2 IMPROVES LOCOMOTION IN A C. ELEGANS ALS MODEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL COMPND 3 PROTEIN 2; COMPND 4 CHAIN: B; COMPND 5 FRAGMENT: RESIDUES 395-487; COMPND 6 SYNONYM: SKCA2,KCA2.2; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: CALMODULIN-1; COMPND 11 CHAIN: R; COMPND 12 FRAGMENT: RESIDUES 5-148; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: KCNN2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 10 ORGANISM_COMMON: RAT; SOURCE 11 ORGANISM_TAXID: 10116; SOURCE 12 GENE: CALM1, CALM, CAM, CAM1, CAMI; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CALCIUM BINDING PROTEIN, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR Y.W.NAM,M.ZHANG REVDAT 3 13-MAR-24 6CZQ 1 LINK REVDAT 2 18-DEC-19 6CZQ 1 REMARK REVDAT 1 01-AUG-18 6CZQ 0 JRNL AUTH Y.W.NAM,S.N.BASKOYLU,D.GAZGALIS,R.ORFALI,M.CUI,A.C.HART, JRNL AUTH 2 M.ZHANG JRNL TITL A V-TO-F SUBSTITUTION IN SK2 CHANNELS CAUSES JRNL TITL 2 CA2+HYPERSENSITIVITY AND IMPROVES LOCOMOTION IN A C. ELEGANS JRNL TITL 3 ALS MODEL. JRNL REF SCI REP V. 8 10749 2018 JRNL REFN ESSN 2045-2322 JRNL PMID 30013223 JRNL DOI 10.1038/S41598-018-28783-2 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.11.1_2575 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.87 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 16535 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.540 REMARK 3 FREE R VALUE TEST SET COUNT : 916 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 26.8681 - 4.2040 1.00 2267 134 0.1866 0.2144 REMARK 3 2 4.2040 - 3.3388 0.99 2209 159 0.1728 0.2238 REMARK 3 3 3.3388 - 2.9173 1.00 2262 122 0.2003 0.2860 REMARK 3 4 2.9173 - 2.6509 1.00 2196 141 0.2137 0.2579 REMARK 3 5 2.6509 - 2.4610 1.00 2253 110 0.2288 0.3170 REMARK 3 6 2.4610 - 2.3160 1.00 2210 115 0.2151 0.3007 REMARK 3 7 2.3160 - 2.2001 1.00 2222 135 0.2312 0.2870 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.030 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.59 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.18 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 1972 REMARK 3 ANGLE : 0.855 2643 REMARK 3 CHIRALITY : 0.049 293 REMARK 3 PLANARITY : 0.005 345 REMARK 3 DIHEDRAL : 9.411 1216 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 11 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'B' AND (RESID 395 THROUGH 404 ) REMARK 3 ORIGIN FOR THE GROUP (A): 8.5481 8.3721 16.9846 REMARK 3 T TENSOR REMARK 3 T11: 0.3365 T22: 0.3615 REMARK 3 T33: 0.2070 T12: -0.0683 REMARK 3 T13: 0.0147 T23: 0.1015 REMARK 3 L TENSOR REMARK 3 L11: 7.6062 L22: 8.1684 REMARK 3 L33: 6.1768 L12: -1.9916 REMARK 3 L13: 0.2334 L23: 0.5232 REMARK 3 S TENSOR REMARK 3 S11: -0.1083 S12: 1.0164 S13: 0.2541 REMARK 3 S21: -0.7292 S22: 0.2138 S23: 0.1456 REMARK 3 S31: -0.3869 S32: -0.1792 S33: -0.1089 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'B' AND (RESID 405 THROUGH 413 ) REMARK 3 ORIGIN FOR THE GROUP (A): -10.0888 1.7232 21.4388 REMARK 3 T TENSOR REMARK 3 T11: 0.8808 T22: 1.0503 REMARK 3 T33: 1.1408 T12: 0.1544 REMARK 3 T13: -0.3220 T23: 0.0675 REMARK 3 L TENSOR REMARK 3 L11: 2.5890 L22: 3.7808 REMARK 3 L33: 3.3910 L12: -0.0598 REMARK 3 L13: -1.5196 L23: -3.0387 REMARK 3 S TENSOR REMARK 3 S11: -0.0350 S12: 0.4309 S13: 0.6323 REMARK 3 S21: -0.2803 S22: 0.0430 S23: 0.5977 REMARK 3 S31: -0.3011 S32: -0.1687 S33: -0.0144 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'B' AND (RESID 414 THROUGH 445 ) REMARK 3 ORIGIN FOR THE GROUP (A): -24.2743 2.5501 40.9833 REMARK 3 T TENSOR REMARK 3 T11: 0.1463 T22: 0.2414 REMARK 3 T33: 0.2049 T12: 0.0803 REMARK 3 T13: 0.0146 T23: 0.0663 REMARK 3 L TENSOR REMARK 3 L11: 3.6321 L22: 2.8398 REMARK 3 L33: 3.0769 L12: -0.0581 REMARK 3 L13: -1.0119 L23: 0.1588 REMARK 3 S TENSOR REMARK 3 S11: -0.1549 S12: -0.3377 S13: -0.4437 REMARK 3 S21: 0.3070 S22: 0.1862 S23: 0.2916 REMARK 3 S31: 0.0268 S32: -0.2948 S33: 0.0388 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'B' AND (RESID 446 THROUGH 489 ) REMARK 3 ORIGIN FOR THE GROUP (A): -7.1894 -0.2686 32.0437 REMARK 3 T TENSOR REMARK 3 T11: 0.1211 T22: 0.1214 REMARK 3 T33: 0.1628 T12: -0.0158 REMARK 3 T13: -0.0544 T23: 0.0301 REMARK 3 L TENSOR REMARK 3 L11: 5.9063 L22: 1.0473 REMARK 3 L33: 7.3415 L12: -0.7736 REMARK 3 L13: -4.9673 L23: 0.6521 REMARK 3 S TENSOR REMARK 3 S11: -0.1369 S12: -0.1251 S13: -0.2087 REMARK 3 S21: -0.0162 S22: 0.0821 S23: 0.0451 REMARK 3 S31: -0.1898 S32: 0.0957 S33: -0.0501 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 2 THROUGH 28 ) REMARK 3 ORIGIN FOR THE GROUP (A): 5.6399 -5.5926 5.0348 REMARK 3 T TENSOR REMARK 3 T11: 0.9176 T22: 0.5946 REMARK 3 T33: 0.1859 T12: -0.4520 REMARK 3 T13: 0.0725 T23: 0.0078 REMARK 3 L TENSOR REMARK 3 L11: 1.3717 L22: 0.3453 REMARK 3 L33: 3.4309 L12: 0.0332 REMARK 3 L13: -0.8712 L23: -0.2875 REMARK 3 S TENSOR REMARK 3 S11: -0.3052 S12: 0.1801 S13: 0.0997 REMARK 3 S21: -0.9467 S22: 0.1507 S23: -0.1835 REMARK 3 S31: -0.2220 S32: 0.2856 S33: 0.0542 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 29 THROUGH 64 ) REMARK 3 ORIGIN FOR THE GROUP (A): -0.8167 -11.1816 17.2989 REMARK 3 T TENSOR REMARK 3 T11: 0.3442 T22: 0.3377 REMARK 3 T33: 0.2638 T12: -0.1888 REMARK 3 T13: -0.0232 T23: 0.0531 REMARK 3 L TENSOR REMARK 3 L11: 2.1583 L22: 2.8519 REMARK 3 L33: 2.2793 L12: 1.3221 REMARK 3 L13: 0.0868 L23: 0.3050 REMARK 3 S TENSOR REMARK 3 S11: -0.6428 S12: 0.9396 S13: 0.4355 REMARK 3 S21: -0.9521 S22: 0.7076 S23: 0.3024 REMARK 3 S31: 0.0939 S32: -0.1592 S33: -0.0809 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 65 THROUGH 75 ) REMARK 3 ORIGIN FOR THE GROUP (A): -1.2560 -1.4551 7.7168 REMARK 3 T TENSOR REMARK 3 T11: 0.7427 T22: 0.5621 REMARK 3 T33: 0.5917 T12: -0.4637 REMARK 3 T13: -0.2881 T23: 0.4308 REMARK 3 L TENSOR REMARK 3 L11: 0.9639 L22: 2.3515 REMARK 3 L33: 0.6458 L12: 1.3692 REMARK 3 L13: -0.0077 L23: -0.3799 REMARK 3 S TENSOR REMARK 3 S11: -0.2297 S12: 0.1655 S13: 0.0909 REMARK 3 S21: -0.3096 S22: 0.0907 S23: 0.1216 REMARK 3 S31: 0.1447 S32: -0.0929 S33: -0.3413 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 76 THROUGH 92 ) REMARK 3 ORIGIN FOR THE GROUP (A): 12.4982 9.6533 26.8552 REMARK 3 T TENSOR REMARK 3 T11: 0.2089 T22: 0.2368 REMARK 3 T33: 0.2182 T12: -0.0503 REMARK 3 T13: 0.0368 T23: 0.0303 REMARK 3 L TENSOR REMARK 3 L11: 5.0742 L22: 2.9145 REMARK 3 L33: 5.9978 L12: -0.0679 REMARK 3 L13: 4.5925 L23: -0.1042 REMARK 3 S TENSOR REMARK 3 S11: -0.4066 S12: -0.2268 S13: 0.4824 REMARK 3 S21: -0.2968 S22: 0.3993 S23: 0.4396 REMARK 3 S31: -0.6034 S32: -0.5089 S33: 0.1114 REMARK 3 TLS GROUP : 9 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 93 THROUGH 117 ) REMARK 3 ORIGIN FOR THE GROUP (A): 26.4169 4.1136 34.8629 REMARK 3 T TENSOR REMARK 3 T11: 0.1582 T22: 0.2513 REMARK 3 T33: 0.2622 T12: -0.0492 REMARK 3 T13: -0.0046 T23: -0.0037 REMARK 3 L TENSOR REMARK 3 L11: 2.7333 L22: 4.1537 REMARK 3 L33: 1.8890 L12: -0.0659 REMARK 3 L13: -0.0840 L23: 0.6193 REMARK 3 S TENSOR REMARK 3 S11: 0.1386 S12: -0.2348 S13: -0.3583 REMARK 3 S21: 0.3583 S22: 0.0818 S23: -0.3127 REMARK 3 S31: 0.0759 S32: 0.2484 S33: -0.1671 REMARK 3 TLS GROUP : 10 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 118 THROUGH 128 ) REMARK 3 ORIGIN FOR THE GROUP (A): 33.0605 6.8245 25.5325 REMARK 3 T TENSOR REMARK 3 T11: 0.2397 T22: 0.3564 REMARK 3 T33: 0.4475 T12: -0.1042 REMARK 3 T13: 0.0328 T23: -0.0790 REMARK 3 L TENSOR REMARK 3 L11: 5.3350 L22: 1.6277 REMARK 3 L33: 4.2972 L12: -2.3171 REMARK 3 L13: 0.6231 L23: 0.3169 REMARK 3 S TENSOR REMARK 3 S11: -0.0546 S12: 0.3730 S13: -0.4315 REMARK 3 S21: -0.2240 S22: 0.2849 S23: -0.8735 REMARK 3 S31: -0.1035 S32: 0.7277 S33: -0.1475 REMARK 3 TLS GROUP : 11 REMARK 3 SELECTION: CHAIN 'R' AND (RESID 129 THROUGH 147 ) REMARK 3 ORIGIN FOR THE GROUP (A): 24.7335 16.0040 29.5446 REMARK 3 T TENSOR REMARK 3 T11: 0.2181 T22: 0.2031 REMARK 3 T33: 0.3157 T12: -0.0507 REMARK 3 T13: -0.0052 T23: 0.0094 REMARK 3 L TENSOR REMARK 3 L11: 4.4267 L22: 2.2943 REMARK 3 L33: 4.4090 L12: 2.2541 REMARK 3 L13: 2.5588 L23: 1.6765 REMARK 3 S TENSOR REMARK 3 S11: -0.2932 S12: 0.3211 S13: 0.4830 REMARK 3 S21: -0.1439 S22: 0.2212 S23: 0.1725 REMARK 3 S31: -0.3948 S32: 0.2497 S33: 0.0043 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6CZQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-APR-18. REMARK 100 THE DEPOSITION ID IS D_1000233763. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-AUG-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : LIQUID ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : BRUKER METALJET REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.3148 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : BRUKER PHOTON II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XPREP REMARK 200 DATA SCALING SOFTWARE : APEX 2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16535 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 26.866 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.710 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.4400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CITRATE TRIBASIC REMARK 280 DIHYDRATE 0.5 M AMMONIUM SULFATE 1.5 M LITHIUM SULFATE REMARK 280 MONOHYDRATE, PH 5.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 38.13650 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.36300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.13650 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.36300 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3380 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15270 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -81.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, R REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 619 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 643 LIES ON A SPECIAL POSITION. REMARK 375 HOH R1159 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 LYS B 397 -115.44 62.10 REMARK 500 LYS B 405 -95.56 -79.38 REMARK 500 PHE B 407 60.79 -111.20 REMARK 500 HIS B 408 36.07 -86.26 REMARK 500 LYS R 115 160.05 78.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA R1001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 20 OD1 REMARK 620 2 ASP R 22 OD1 68.7 REMARK 620 3 THR R 26 O 77.5 144.2 REMARK 620 4 GLU R 31 OE1 89.5 64.3 128.4 REMARK 620 5 GLU R 31 OE2 99.2 113.9 82.4 50.4 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA R1002 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 56 OD1 REMARK 620 2 ASP R 58 OD1 60.1 REMARK 620 3 ASN R 60 OD1 80.4 65.2 REMARK 620 4 THR R 62 O 78.5 127.0 77.2 REMARK 620 5 GLU R 67 OE1 57.2 76.8 133.6 108.5 REMARK 620 6 GLU R 67 OE2 87.6 122.6 159.2 83.8 46.1 REMARK 620 7 HOH R1144 O 155.4 130.5 85.6 78.8 140.7 99.1 REMARK 620 8 HOH R1149 O 149.5 90.3 94.4 130.0 112.1 104.3 51.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA R 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA R 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 R 1003 DBREF 6CZQ B 395 487 UNP P70604 KCNN2_RAT 395 487 DBREF 6CZQ R 4 147 UNP P0DP29 CALM1_RAT 5 148 SEQADV 6CZQ GLY B 395 UNP P70604 ALA 395 ENGINEERED MUTATION SEQADV 6CZQ PHE B 407 UNP P70604 VAL 407 ENGINEERED MUTATION SEQADV 6CZQ LEU B 488 UNP P70604 EXPRESSION TAG SEQADV 6CZQ GLU B 489 UNP P70604 EXPRESSION TAG SEQADV 6CZQ ALA R 2 UNP P0DP29 EXPRESSION TAG SEQADV 6CZQ ALA R 3 UNP P0DP29 EXPRESSION TAG SEQRES 1 B 95 GLY ARG LYS LEU GLU LEU THR LYS ALA GLU LYS HIS PHE SEQRES 2 B 95 HIS ASN PHE MET MET ASP THR GLN LEU THR LYS ARG VAL SEQRES 3 B 95 LYS ASN ALA ALA ALA ASN VAL LEU ARG GLU THR TRP LEU SEQRES 4 B 95 ILE TYR LYS ASN THR LYS LEU VAL LYS LYS ILE ASP HIS SEQRES 5 B 95 ALA LYS VAL ARG LYS HIS GLN ARG LYS PHE LEU GLN ALA SEQRES 6 B 95 ILE HIS GLN LEU ARG SER VAL LYS MET GLU GLN ARG LYS SEQRES 7 B 95 LEU ASN ASP GLN ALA ASN THR LEU VAL ASP LEU ALA LYS SEQRES 8 B 95 THR GLN LEU GLU SEQRES 1 R 146 ALA ALA LEU THR GLU GLU GLN ILE ALA GLU PHE LYS GLU SEQRES 2 R 146 ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR ILE SEQRES 3 R 146 THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU GLY SEQRES 4 R 146 GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE ASN SEQRES 5 R 146 GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE PRO SEQRES 6 R 146 GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP THR SEQRES 7 R 146 ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL PHE SEQRES 8 R 146 ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU LEU SEQRES 9 R 146 ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR ASP SEQRES 10 R 146 GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE ASP SEQRES 11 R 146 GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN MET SEQRES 12 R 146 MET THR ALA HET SO4 B 501 5 HET SO4 B 502 5 HET CA R1001 1 HET CA R1002 1 HET SO4 R1003 5 HETNAM SO4 SULFATE ION HETNAM CA CALCIUM ION FORMUL 3 SO4 3(O4 S 2-) FORMUL 5 CA 2(CA 2+) FORMUL 8 HOH *132(H2 O) HELIX 1 AA1 ASP B 413 LEU B 440 1 28 HELIX 2 AA2 ASP B 445 THR B 486 1 42 HELIX 3 AA3 GLN B 487 GLU B 489 5 3 HELIX 4 AA4 THR R 5 ASP R 20 1 16 HELIX 5 AA5 THR R 28 LEU R 39 1 12 HELIX 6 AA6 THR R 44 ASP R 56 1 13 HELIX 7 AA7 PHE R 65 ARG R 74 1 10 HELIX 8 AA8 SER R 81 VAL R 91 1 11 HELIX 9 AA9 ALA R 102 LEU R 112 1 11 HELIX 10 AB1 THR R 117 ASP R 129 1 13 HELIX 11 AB2 TYR R 138 THR R 146 1 9 SHEET 1 AA1 2 LEU B 400 THR B 401 0 SHEET 2 AA1 2 ASP R 78 THR R 79 -1 O THR R 79 N LEU B 400 SHEET 1 AA2 2 THR R 26 ILE R 27 0 SHEET 2 AA2 2 ILE R 63 ASP R 64 -1 O ILE R 63 N ILE R 27 SHEET 1 AA3 2 TYR R 99 SER R 101 0 SHEET 2 AA3 2 GLN R 135 ASN R 137 -1 O VAL R 136 N ILE R 100 LINK OD1 ASP R 20 CA CA R1001 1555 1555 2.41 LINK OD1 ASP R 22 CA CA R1001 1555 1555 2.30 LINK O THR R 26 CA CA R1001 1555 1555 2.33 LINK OE1 GLU R 31 CA CA R1001 1555 1555 2.62 LINK OE2 GLU R 31 CA CA R1001 1555 1555 2.55 LINK OD1 ASP R 56 CA CA R1002 1555 1555 2.47 LINK OD1 ASP R 58 CA CA R1002 1555 1555 2.80 LINK OD1 ASN R 60 CA CA R1002 1555 1555 2.56 LINK O THR R 62 CA CA R1002 1555 1555 2.45 LINK OE1 GLU R 67 CA CA R1002 1555 1555 3.01 LINK OE2 GLU R 67 CA CA R1002 1555 1555 2.53 LINK CA CA R1002 O HOH R1144 1555 1555 2.56 LINK CA CA R1002 O HOH R1149 1555 1555 3.15 SITE 1 AC1 5 ARG B 429 LYS B 451 HIS B 452 LYS B 455 SITE 2 AC1 5 GLU R 114 SITE 1 AC2 2 LYS B 451 LYS B 455 SITE 1 AC3 5 ASP R 20 ASP R 22 ASP R 24 THR R 26 SITE 2 AC3 5 GLU R 31 SITE 1 AC4 6 ASP R 56 ASP R 58 ASN R 60 THR R 62 SITE 2 AC4 6 GLU R 67 HOH R1144 SITE 1 AC5 5 LYS B 402 LYS R 77 ASP R 78 THR R 79 SITE 2 AC5 5 HOH R1148 CRYST1 76.273 66.726 64.676 90.00 92.19 90.00 C 1 2 1 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.013111 0.000000 0.000502 0.00000 SCALE2 0.000000 0.014987 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015473 0.00000