HEADER METAL TRANSPORT/CALCIUM BINDING PROTEIN 11-JUL-12 4G28 TITLE CALCIUM-CALMODULIN COMPLEXED WITH THE CALMODULIN BINDING DOMAIN FROM A TITLE 2 SMALL CONDUCTANCE POTASSIUM CHANNEL SPLICE VARIANT AND EBIO-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL COMPND 3 PROTEIN 2; COMPND 4 CHAIN: B; COMPND 5 FRAGMENT: CALMODULIN BINDING DOMAIN (UNP RESIDUES 396-487); COMPND 6 SYNONYM: SMALL CONDUCTANCE POTASSIUM CHANNEL SPLICE VARIANT, SK2A, COMPND 7 SK2, SKCA 2, SKCA2, KCA2.2; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: CALMODULIN; COMPND 11 CHAIN: R; COMPND 12 SYNONYM: CAM; 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, CALM2, CAM2, CAMB, CALM3, CAM3, CAMC; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PROTEIN-PROTEIN COMPLEX, EF HAND, METAL BINDING PROTEIN, METAL KEYWDS 2 TRANSPORT-CALCIUM BINDING PROTEIN COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.ZHANG,J.M.PASCAL,J.-F.ZHANG REVDAT 3 28-FEB-24 4G28 1 REMARK SEQADV LINK REVDAT 2 15-NOV-17 4G28 1 REMARK REVDAT 1 12-SEP-12 4G28 0 JRNL AUTH M.ZHANG,J.M.PASCAL,M.SCHUMANN,R.S.ARMEN,J.F.ZHANG JRNL TITL IDENTIFICATION OF THE FUNCTIONAL BINDING POCKET FOR JRNL TITL 2 COMPOUNDS TARGETING SMALL-CONDUCTANCE CA(2+)-ACTIVATED JRNL TITL 3 POTASSIUM CHANNELS. JRNL REF NAT COMMUN V. 3 1021 2012 JRNL REFN ESSN 2041-1723 JRNL PMID 22929778 JRNL DOI 10.1038/NCOMMS2017 REMARK 2 REMARK 2 RESOLUTION. 1.63 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.3_928) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.63 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.92 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 40565 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.930 REMARK 3 FREE R VALUE TEST SET COUNT : 1998 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 22.9224 - 3.9225 0.95 2714 143 0.1859 0.1980 REMARK 3 2 3.9225 - 3.1159 1.00 2797 149 0.1695 0.2230 REMARK 3 3 3.1159 - 2.7227 0.99 2813 114 0.1870 0.2104 REMARK 3 4 2.7227 - 2.4741 0.99 2744 144 0.1857 0.2243 REMARK 3 5 2.4741 - 2.2969 0.99 2734 153 0.1834 0.2271 REMARK 3 6 2.2969 - 2.1616 0.99 2746 153 0.1869 0.2349 REMARK 3 7 2.1616 - 2.0534 0.99 2801 108 0.1885 0.2047 REMARK 3 8 2.0534 - 1.9641 1.00 2708 147 0.2009 0.2544 REMARK 3 9 1.9641 - 1.8885 0.99 2764 174 0.2106 0.2506 REMARK 3 10 1.8885 - 1.8234 1.00 2759 115 0.2272 0.2668 REMARK 3 11 1.8234 - 1.7664 1.00 2745 151 0.2499 0.2890 REMARK 3 12 1.7664 - 1.7159 0.99 2782 136 0.2559 0.2948 REMARK 3 13 1.7159 - 1.6708 1.00 2743 142 0.2609 0.3119 REMARK 3 14 1.6708 - 1.6300 1.00 2717 169 0.2649 0.3036 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.86 REMARK 3 K_SOL : 0.42 REMARK 3 B_SOL : 56.24 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.760 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.90750 REMARK 3 B22 (A**2) : 5.66110 REMARK 3 B33 (A**2) : -3.75360 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -4.02020 REMARK 3 B23 (A**2) : 0.00000 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 : 0.011 1929 REMARK 3 ANGLE : 1.258 2589 REMARK 3 CHIRALITY : 0.073 288 REMARK 3 PLANARITY : 0.006 351 REMARK 3 DIHEDRAL : 13.096 756 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 9 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 395:414) REMARK 3 ORIGIN FOR THE GROUP (A): 29.3453 62.6414 46.8241 REMARK 3 T TENSOR REMARK 3 T11: 0.2486 T22: 0.2425 REMARK 3 T33: 0.2747 T12: 0.0904 REMARK 3 T13: -0.0507 T23: -0.0847 REMARK 3 L TENSOR REMARK 3 L11: 4.5806 L22: 7.7270 REMARK 3 L33: 3.0377 L12: -5.6388 REMARK 3 L13: -1.3409 L23: 0.6290 REMARK 3 S TENSOR REMARK 3 S11: -0.1760 S12: -0.3930 S13: 0.8934 REMARK 3 S21: 0.1322 S22: 0.2927 S23: -0.9561 REMARK 3 S31: 0.0619 S32: 0.2973 S33: -0.1411 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 415:445) REMARK 3 ORIGIN FOR THE GROUP (A): 59.6299 59.5889 23.5799 REMARK 3 T TENSOR REMARK 3 T11: 0.1029 T22: 0.1361 REMARK 3 T33: 0.1860 T12: -0.0571 REMARK 3 T13: -0.0221 T23: -0.0597 REMARK 3 L TENSOR REMARK 3 L11: 5.0128 L22: 4.8281 REMARK 3 L33: 7.6576 L12: 0.4243 REMARK 3 L13: -1.8747 L23: -1.2863 REMARK 3 S TENSOR REMARK 3 S11: -0.0898 S12: 0.3378 S13: -0.3289 REMARK 3 S21: -0.0829 S22: 0.1378 S23: -0.2304 REMARK 3 S31: 0.0220 S32: 0.1553 S33: 0.0230 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 446:489) REMARK 3 ORIGIN FOR THE GROUP (A): 42.1403 56.3671 32.8949 REMARK 3 T TENSOR REMARK 3 T11: 0.1210 T22: 0.0940 REMARK 3 T33: 0.1503 T12: -0.0001 REMARK 3 T13: -0.0432 T23: -0.0201 REMARK 3 L TENSOR REMARK 3 L11: 7.1624 L22: 0.6948 REMARK 3 L33: 8.5731 L12: 0.7010 REMARK 3 L13: -6.8333 L23: -0.6860 REMARK 3 S TENSOR REMARK 3 S11: -0.1392 S12: 0.0835 S13: 0.0040 REMARK 3 S21: 0.0243 S22: 0.1059 S23: -0.0779 REMARK 3 S31: -0.0837 S32: -0.0674 S33: 0.0399 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 2:28) REMARK 3 ORIGIN FOR THE GROUP (A): 28.4574 50.9755 59.4654 REMARK 3 T TENSOR REMARK 3 T11: 0.6099 T22: 0.4513 REMARK 3 T33: 0.0917 T12: 0.3138 REMARK 3 T13: 0.0330 T23: 0.0687 REMARK 3 L TENSOR REMARK 3 L11: 0.7173 L22: 0.5911 REMARK 3 L33: 2.9982 L12: 0.1393 REMARK 3 L13: 0.4146 L23: -0.5397 REMARK 3 S TENSOR REMARK 3 S11: -0.1675 S12: -0.1866 S13: 0.1325 REMARK 3 S21: 0.3222 S22: 0.0978 S23: 0.0473 REMARK 3 S31: -0.4289 S32: -0.1088 S33: -0.1542 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 29:64) REMARK 3 ORIGIN FOR THE GROUP (A): 35.3858 45.5549 47.2248 REMARK 3 T TENSOR REMARK 3 T11: 0.2905 T22: 0.2168 REMARK 3 T33: 0.2147 T12: 0.1267 REMARK 3 T13: -0.0529 T23: -0.0409 REMARK 3 L TENSOR REMARK 3 L11: 1.8062 L22: 0.7714 REMARK 3 L33: 6.0943 L12: -0.8164 REMARK 3 L13: 1.7714 L23: -1.1595 REMARK 3 S TENSOR REMARK 3 S11: -0.5604 S12: -0.5526 S13: 0.2991 REMARK 3 S21: 0.6657 S22: 0.3128 S23: -0.2052 REMARK 3 S31: -0.0817 S32: 0.2573 S33: 0.1705 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 65:75) REMARK 3 ORIGIN FOR THE GROUP (A): 35.8904 55.5375 56.9126 REMARK 3 T TENSOR REMARK 3 T11: 0.5374 T22: 0.4739 REMARK 3 T33: 0.4119 T12: 0.2974 REMARK 3 T13: -0.2516 T23: -0.1947 REMARK 3 L TENSOR REMARK 3 L11: 3.3110 L22: 4.5845 REMARK 3 L33: 3.9556 L12: -3.7845 REMARK 3 L13: 3.3806 L23: -3.5049 REMARK 3 S TENSOR REMARK 3 S11: -0.0888 S12: 0.1533 S13: 0.3451 REMARK 3 S21: 0.1141 S22: -0.2138 S23: -0.4998 REMARK 3 S31: -0.1547 S32: 0.2253 S33: 0.3055 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 76:92) REMARK 3 ORIGIN FOR THE GROUP (A): 22.1106 66.5138 37.0778 REMARK 3 T TENSOR REMARK 3 T11: 0.1747 T22: 0.1521 REMARK 3 T33: 0.2322 T12: 0.0422 REMARK 3 T13: 0.0000 T23: -0.0072 REMARK 3 L TENSOR REMARK 3 L11: 7.6523 L22: 2.7746 REMARK 3 L33: 6.0855 L12: 0.5647 REMARK 3 L13: 6.7163 L23: 0.7075 REMARK 3 S TENSOR REMARK 3 S11: -0.3877 S12: 0.2745 S13: 0.5684 REMARK 3 S21: 0.1121 S22: 0.1546 S23: -0.2299 REMARK 3 S31: -0.4323 S32: 0.5306 S33: 0.3082 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 93:134) REMARK 3 ORIGIN FOR THE GROUP (A): 5.7279 63.3548 32.3869 REMARK 3 T TENSOR REMARK 3 T11: 0.1270 T22: 0.1626 REMARK 3 T33: 0.2990 T12: 0.0158 REMARK 3 T13: -0.0579 T23: 0.0310 REMARK 3 L TENSOR REMARK 3 L11: 2.1008 L22: 5.5433 REMARK 3 L33: 1.6712 L12: -0.7927 REMARK 3 L13: 0.9253 L23: -1.7775 REMARK 3 S TENSOR REMARK 3 S11: 0.1449 S12: -0.0641 S13: -0.5727 REMARK 3 S21: -0.1786 S22: 0.1779 S23: 0.5584 REMARK 3 S31: 0.1948 S32: -0.2070 S33: -0.2858 REMARK 3 TLS GROUP : 9 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 135:147) REMARK 3 ORIGIN FOR THE GROUP (A): 12.7347 72.2816 36.1065 REMARK 3 T TENSOR REMARK 3 T11: 0.2275 T22: 0.1381 REMARK 3 T33: 0.2712 T12: 0.0413 REMARK 3 T13: -0.0075 T23: -0.0247 REMARK 3 L TENSOR REMARK 3 L11: 7.8213 L22: 4.9618 REMARK 3 L33: 3.9087 L12: -1.8657 REMARK 3 L13: 5.2251 L23: -2.1038 REMARK 3 S TENSOR REMARK 3 S11: -0.4595 S12: -0.2389 S13: 0.7568 REMARK 3 S21: 0.4218 S22: 0.1141 S23: -0.4446 REMARK 3 S31: -0.8362 S32: -0.1654 S33: 0.3558 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 4G28 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUL-12. REMARK 100 THE DEPOSITION ID IS D_1000073645. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-DEC-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 12.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.12 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS (XIA2) REMARK 200 DATA SCALING SOFTWARE : XDS (XIA2, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40567 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.630 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.63 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.67 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.59500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 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 (%): 56.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.25 M LITHIUM SULFATE, 0.5 M AMMONIUM REMARK 280 SULFATE, 0.1 M SODIUM CITRATE, PH 5.6, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298K 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 38.51000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.33500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.51000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.33500 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 14230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -195.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 72.46880 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 64.76027 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 621 LIES ON A SPECIAL POSITION. REMARK 375 HOH R1216 LIES ON A SPECIAL POSITION. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET B 394 REMARK 465 LYS B 405 REMARK 465 HIS B 406 REMARK 465 VAL B 407 REMARK 465 HIS B 408 REMARK 465 ASN B 409 REMARK 465 PHE B 410 REMARK 465 MET B 411 REMARK 465 MET B 412 REMARK 465 HIS B 490 REMARK 465 HIS B 491 REMARK 465 HIS B 492 REMARK 465 HIS B 493 REMARK 465 HIS B 494 REMARK 465 HIS B 495 REMARK 465 MET R 0 REMARK 465 ALA R 1 REMARK 465 LYS R 148 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU B 404 CG CD OE1 OE2 REMARK 470 ASP R 2 CG OD1 OD2 REMARK 470 GLN R 3 CG CD OE1 NE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 H SER R 101 HO1 GOL R 1003 1.29 REMARK 500 HH22 ARG R 106 OD1 ASP R 122 1.32 REMARK 500 HE ARG B 450 O HOH B 656 1.38 REMARK 500 OD2 ASP R 122 O HOH R 1196 1.73 REMARK 500 O HOH B 684 O HOH B 686 1.96 REMARK 500 O HOH R 1102 O HOH R 1256 2.03 REMARK 500 O HOH R 1167 O HOH R 1212 2.04 REMARK 500 O HOH R 1148 O HOH R 1213 2.08 REMARK 500 NH2 ARG R 106 OD1 ASP R 122 2.08 REMARK 500 OD1 ASN R 53 O HOH R 1211 2.11 REMARK 500 OE1 GLU R 87 O HOH R 1238 2.12 REMARK 500 O HOH R 1141 O HOH R 1197 2.14 REMARK 500 O1 GOL R 1003 O HOH R 1121 2.15 REMARK 500 O HOH R 1173 O HOH R 1184 2.17 REMARK 500 O HOH B 618 O HOH B 692 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE2 GLU R 127 O HOH B 633 2656 2.04 REMARK 500 O HOH R 1164 O HOH R 1164 2657 2.05 REMARK 500 O HOH B 665 O HOH R 1213 3545 2.13 REMARK 500 O HOH B 612 O HOH R 1135 3545 2.15 REMARK 500 REMARK 500 REMARK: NULL 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 -110.48 52.68 REMARK 500 LYS R 75 35.34 -143.12 REMARK 500 LYS R 115 155.62 82.50 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 80.1 REMARK 620 3 ASP R 24 OD1 82.9 75.4 REMARK 620 4 THR R 26 O 80.0 149.4 79.3 REMARK 620 5 GLU R 31 OE1 106.1 135.1 148.7 73.2 REMARK 620 6 GLU R 31 OE2 98.3 81.2 156.0 124.7 54.0 REMARK 620 7 HOH R1101 O 157.0 105.1 77.0 85.3 86.2 104.7 REMARK 620 N 1 2 3 4 5 6 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 OD2 94.4 REMARK 620 3 ASN R 60 OD1 94.8 75.7 REMARK 620 4 THR R 62 O 95.6 149.2 74.5 REMARK 620 5 GLU R 67 OE1 118.7 122.1 137.9 77.4 REMARK 620 6 GLU R 67 OE2 99.7 78.1 150.9 128.4 52.0 REMARK 620 7 HOH R1102 O 149.7 93.5 59.1 64.4 80.7 110.5 REMARK 620 N 1 2 3 4 5 6 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 CA R 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA R 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL R 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 R 1004 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 R 1005 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0W8 R 1006 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3SJQ RELATED DB: PDB REMARK 900 RELATED ID: 1G4Y RELATED DB: PDB REMARK 900 RELATED ID: 4G27 RELATED DB: PDB DBREF 4G28 B 396 487 UNP P70604 KCNN2_RAT 396 487 DBREF 4G28 R 0 148 UNP P62161 CALM_RAT 1 149 SEQADV 4G28 MET B 394 UNP P70604 EXPRESSION TAG SEQADV 4G28 GLY B 395 UNP P70604 EXPRESSION TAG SEQADV 4G28 LEU B 488 UNP P70604 EXPRESSION TAG SEQADV 4G28 GLU B 489 UNP P70604 EXPRESSION TAG SEQADV 4G28 HIS B 490 UNP P70604 EXPRESSION TAG SEQADV 4G28 HIS B 491 UNP P70604 EXPRESSION TAG SEQADV 4G28 HIS B 492 UNP P70604 EXPRESSION TAG SEQADV 4G28 HIS B 493 UNP P70604 EXPRESSION TAG SEQADV 4G28 HIS B 494 UNP P70604 EXPRESSION TAG SEQADV 4G28 HIS B 495 UNP P70604 EXPRESSION TAG SEQRES 1 B 102 MET GLY ARG LYS LEU GLU LEU THR LYS ALA GLU LYS HIS SEQRES 2 B 102 VAL HIS ASN PHE MET MET ASP THR GLN LEU THR LYS ARG SEQRES 3 B 102 VAL LYS ASN ALA ALA ALA ASN VAL LEU ARG GLU THR TRP SEQRES 4 B 102 LEU ILE TYR LYS ASN THR LYS LEU VAL LYS LYS ILE ASP SEQRES 5 B 102 HIS ALA LYS VAL ARG LYS HIS GLN ARG LYS PHE LEU GLN SEQRES 6 B 102 ALA ILE HIS GLN LEU ARG SER VAL LYS MET GLU GLN ARG SEQRES 7 B 102 LYS LEU ASN ASP GLN ALA ASN THR LEU VAL ASP LEU ALA SEQRES 8 B 102 LYS THR GLN LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 R 149 MET ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE SEQRES 2 R 149 LYS GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY SEQRES 3 R 149 THR ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER SEQRES 4 R 149 LEU GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET SEQRES 5 R 149 ILE ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP SEQRES 6 R 149 PHE PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS SEQRES 7 R 149 ASP THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG SEQRES 8 R 149 VAL PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA SEQRES 9 R 149 GLU LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU SEQRES 10 R 149 THR ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP SEQRES 11 R 149 ILE ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL SEQRES 12 R 149 GLN MET MET THR ALA LYS HET SO4 B 501 5 HET CA R1001 1 HET CA R1002 1 HET GOL R1003 14 HET SO4 R1004 5 HET SO4 R1005 5 HET 0W8 R1006 18 HETNAM SO4 SULFATE ION HETNAM CA CALCIUM ION HETNAM GOL GLYCEROL HETNAM 0W8 1-ETHYL-1,3-DIHYDRO-2H-BENZIMIDAZOL-2-ONE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 SO4 3(O4 S 2-) FORMUL 4 CA 2(CA 2+) FORMUL 6 GOL C3 H8 O3 FORMUL 9 0W8 C9 H10 N2 O FORMUL 10 HOH *250(H2 O) HELIX 1 1 THR B 414 LEU B 440 1 27 HELIX 2 2 ASP B 445 THR B 486 1 42 HELIX 3 3 GLN B 487 GLU B 489 5 3 HELIX 4 4 THR R 5 ASP R 20 1 16 HELIX 5 5 THR R 28 LEU R 39 1 12 HELIX 6 6 THR R 44 ASP R 56 1 13 HELIX 7 7 ASP R 64 ARG R 74 1 11 HELIX 8 8 SER R 81 VAL R 91 1 11 HELIX 9 9 ALA R 102 THR R 110 1 9 HELIX 10 10 THR R 117 ASP R 129 1 13 HELIX 11 11 TYR R 138 ALA R 147 1 10 SHEET 1 A 2 LEU B 400 THR B 401 0 SHEET 2 A 2 ASP R 78 THR R 79 -1 O THR R 79 N LEU B 400 SHEET 1 B 2 TYR R 99 SER R 101 0 SHEET 2 B 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 2.42 LINK OD1 ASP R 22 CA CA R1001 1555 1555 2.40 LINK OD1 ASP R 24 CA CA R1001 1555 1555 2.35 LINK O THR R 26 CA CA R1001 1555 1555 2.22 LINK OE1 GLU R 31 CA CA R1001 1555 1555 2.43 LINK OE2 GLU R 31 CA CA R1001 1555 1555 2.45 LINK OD1 ASP R 56 CA CA R1002 1555 1555 2.13 LINK OD2 ASP R 58 CA CA R1002 1555 1555 2.31 LINK OD1 ASN R 60 CA CA R1002 1555 1555 2.74 LINK O THR R 62 CA CA R1002 1555 1555 2.56 LINK OE1 GLU R 67 CA CA R1002 1555 1555 2.52 LINK OE2 GLU R 67 CA CA R1002 1555 1555 2.53 LINK CA CA R1001 O HOH R1101 1555 1555 2.55 LINK CA CA R1002 O HOH R1102 1555 1555 1.95 SITE 1 AC1 4 ARG B 429 LYS B 451 HIS B 452 LYS B 455 SITE 1 AC2 6 ASP R 20 ASP R 22 ASP R 24 THR R 26 SITE 2 AC2 6 GLU R 31 HOH R1101 SITE 1 AC3 6 ASP R 56 ASP R 58 ASN R 60 THR R 62 SITE 2 AC3 6 GLU R 67 HOH R1102 SITE 1 AC4 8 ILE R 100 SER R 101 GLU R 104 GLN R 135 SITE 2 AC4 8 HOH R1119 HOH R1121 HOH R1129 HOH R1151 SITE 1 AC5 4 LYS B 402 ASP R 78 THR R 79 HOH R1243 SITE 1 AC6 4 LYS R 30 ARG R 126 HOH R1131 HOH R1191 SITE 1 AC7 8 LEU B 480 VAL B 481 MET R 51 VAL R 55 SITE 2 AC7 8 ILE R 63 PHE R 68 MET R 71 MET R 72 CRYST1 77.020 66.670 64.920 90.00 94.02 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 0.012984 0.000000 0.000912 0.00000 SCALE2 0.000000 0.014999 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015442 0.00000