HEADER TRANSPORT PROTEIN/CALCIUM BINDING 17-FEB-13 4J9Y TITLE CALCIUM-CALMODULIN COMPLEXED WITH THE CALMODULIN BINDING DOMAIN FROM A TITLE 2 SMALL CONDUCTANCE POTASSIUM CHANNEL SPLICE VARIANT 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: SK2A, SK2, SKCA 2, SKCA2, KCA2.2; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: CALMODULIN; COMPND 10 CHAIN: R; COMPND 11 SYNONYM: CAM; COMPND 12 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 CALCIUM BINDING, EF HAND, SK2A CHANNEL FRAGMENT, TRANSPORT PROTEIN- KEYWDS 2 CALCIUM BINDING COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.ZHANG,J.M.PASCAL,J.-F.ZHANG REVDAT 3 28-FEB-24 4J9Y 1 REMARK SEQADV LINK REVDAT 2 03-APR-13 4J9Y 1 JRNL REVDAT 1 27-MAR-13 4J9Y 0 JRNL AUTH M.ZHANG,J.M.PASCAL,J.F.ZHANG JRNL TITL UNSTRUCTURED TO STRUCTURED TRANSITION OF AN INTRINSICALLY JRNL TITL 2 DISORDERED PROTEIN PEPTIDE IN COUPLING CA2+-SENSING AND SK JRNL TITL 3 CHANNEL ACTIVATION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 110 4828 2013 JRNL REFN ISSN 0027-8424 JRNL PMID 23487779 JRNL DOI 10.1073/PNAS.1220253110 REMARK 2 REMARK 2 RESOLUTION. 1.51 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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) : 1.51 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 49765 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 2519 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 38.8923 - 3.9560 0.94 2635 142 0.1886 0.1988 REMARK 3 2 3.9560 - 3.1404 0.99 2731 144 0.1689 0.2141 REMARK 3 3 3.1404 - 2.7436 0.98 2726 114 0.1716 0.2257 REMARK 3 4 2.7436 - 2.4928 0.98 2696 136 0.1609 0.1961 REMARK 3 5 2.4928 - 2.3141 0.98 2673 151 0.1594 0.1878 REMARK 3 6 2.3141 - 2.1777 0.97 2650 154 0.1650 0.2013 REMARK 3 7 2.1777 - 2.0687 0.97 2671 110 0.1647 0.2024 REMARK 3 8 2.0687 - 1.9786 0.97 2640 136 0.1733 0.1967 REMARK 3 9 1.9786 - 1.9024 0.96 2595 158 0.1804 0.2154 REMARK 3 10 1.9024 - 1.8368 0.96 2657 119 0.1933 0.2533 REMARK 3 11 1.8368 - 1.7794 0.96 2641 134 0.2086 0.2111 REMARK 3 12 1.7794 - 1.7285 0.95 2604 130 0.2168 0.2394 REMARK 3 13 1.7285 - 1.6830 0.95 2603 135 0.2390 0.3093 REMARK 3 14 1.6830 - 1.6419 0.95 2541 157 0.2318 0.2431 REMARK 3 15 1.6419 - 1.6046 0.94 2543 148 0.2455 0.2693 REMARK 3 16 1.6046 - 1.5705 0.95 2576 150 0.2488 0.2764 REMARK 3 17 1.5705 - 1.5390 0.94 2562 143 0.2813 0.3146 REMARK 3 18 1.5390 - 1.5100 0.94 2502 158 0.3127 0.3605 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.20 REMARK 3 SHRINKAGE RADIUS : 0.98 REMARK 3 K_SOL : 0.42 REMARK 3 B_SOL : 57.99 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.620 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.14670 REMARK 3 B22 (A**2) : 5.88460 REMARK 3 B33 (A**2) : -0.73790 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -3.81310 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 1956 REMARK 3 ANGLE : 1.289 2630 REMARK 3 CHIRALITY : 0.075 295 REMARK 3 PLANARITY : 0.006 343 REMARK 3 DIHEDRAL : 12.892 768 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 8 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 395:413) REMARK 3 ORIGIN FOR THE GROUP (A): 27.3231 63.7564 47.0325 REMARK 3 T TENSOR REMARK 3 T11: 0.2116 T22: 0.2115 REMARK 3 T33: 0.2033 T12: 0.0583 REMARK 3 T13: -0.0265 T23: -0.0611 REMARK 3 L TENSOR REMARK 3 L11: 5.6310 L22: 7.2139 REMARK 3 L33: 2.6903 L12: -6.2119 REMARK 3 L13: -1.3197 L23: 0.5529 REMARK 3 S TENSOR REMARK 3 S11: -0.2581 S12: -0.3607 S13: 0.8137 REMARK 3 S21: 0.1266 S22: 0.2117 S23: -0.7745 REMARK 3 S31: 0.0388 S32: 0.1782 S33: -0.0828 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 414:445) REMARK 3 ORIGIN FOR THE GROUP (A): 59.5940 59.3139 24.1303 REMARK 3 T TENSOR REMARK 3 T11: 0.0979 T22: 0.1149 REMARK 3 T33: 0.1582 T12: -0.0319 REMARK 3 T13: -0.0076 T23: -0.0314 REMARK 3 L TENSOR REMARK 3 L11: 4.5467 L22: 4.9118 REMARK 3 L33: 6.3071 L12: 0.2146 REMARK 3 L13: -1.0527 L23: -1.1276 REMARK 3 S TENSOR REMARK 3 S11: -0.1078 S12: 0.2812 S13: -0.3548 REMARK 3 S21: -0.0236 S22: 0.0971 S23: -0.1720 REMARK 3 S31: 0.2205 S32: 0.1086 S33: 0.0194 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 446:491) REMARK 3 ORIGIN FOR THE GROUP (A): 41.1998 56.4407 33.9688 REMARK 3 T TENSOR REMARK 3 T11: 0.1485 T22: 0.1319 REMARK 3 T33: 0.1330 T12: 0.0087 REMARK 3 T13: -0.0131 T23: -0.0118 REMARK 3 L TENSOR REMARK 3 L11: 7.0129 L22: -0.0035 REMARK 3 L33: 6.2986 L12: 0.4210 REMARK 3 L13: -6.3740 L23: -0.3219 REMARK 3 S TENSOR REMARK 3 S11: -0.0752 S12: 0.0024 S13: 0.0415 REMARK 3 S21: 0.0170 S22: 0.0883 S23: -0.0535 REMARK 3 S31: -0.0547 S32: -0.0265 S33: -0.0245 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 2:28) REMARK 3 ORIGIN FOR THE GROUP (A): 28.2828 50.8439 59.3084 REMARK 3 T TENSOR REMARK 3 T11: 0.5199 T22: 0.5700 REMARK 3 T33: -0.0013 T12: 0.2457 REMARK 3 T13: 0.0070 T23: 0.0699 REMARK 3 L TENSOR REMARK 3 L11: 1.3288 L22: 1.3186 REMARK 3 L33: 4.4011 L12: 0.2557 REMARK 3 L13: 0.6058 L23: -0.3404 REMARK 3 S TENSOR REMARK 3 S11: -0.2268 S12: -0.3379 S13: 0.2303 REMARK 3 S21: 0.4403 S22: 0.0205 S23: 0.1333 REMARK 3 S31: -0.4880 S32: -0.5179 S33: -0.0293 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 29:64) REMARK 3 ORIGIN FOR THE GROUP (A): 35.2060 45.7516 47.1240 REMARK 3 T TENSOR REMARK 3 T11: 0.2059 T22: 0.1254 REMARK 3 T33: 0.1282 T12: 0.0696 REMARK 3 T13: -0.0135 T23: -0.0221 REMARK 3 L TENSOR REMARK 3 L11: 2.7843 L22: 1.9485 REMARK 3 L33: 7.0998 L12: -0.2960 REMARK 3 L13: 1.0605 L23: -0.8920 REMARK 3 S TENSOR REMARK 3 S11: -0.3012 S12: -0.4295 S13: 0.1587 REMARK 3 S21: 0.4686 S22: 0.1410 S23: -0.2057 REMARK 3 S31: -0.0738 S32: 0.2551 S33: 0.1415 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 65:92) REMARK 3 ORIGIN FOR THE GROUP (A): 27.2257 62.1896 44.3689 REMARK 3 T TENSOR REMARK 3 T11: 0.1709 T22: 0.2303 REMARK 3 T33: 0.1925 T12: 0.1016 REMARK 3 T13: -0.0955 T23: -0.0989 REMARK 3 L TENSOR REMARK 3 L11: 2.5765 L22: 2.0096 REMARK 3 L33: 4.4482 L12: -1.3767 REMARK 3 L13: 3.1096 L23: -2.3057 REMARK 3 S TENSOR REMARK 3 S11: -0.1048 S12: 0.1456 S13: 0.3943 REMARK 3 S21: 0.3404 S22: 0.0665 S23: -0.5269 REMARK 3 S31: -0.1642 S32: 0.6929 S33: 0.3764 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 93:134) REMARK 3 ORIGIN FOR THE GROUP (A): 5.5335 63.5570 32.2130 REMARK 3 T TENSOR REMARK 3 T11: 0.1284 T22: 0.1222 REMARK 3 T33: 0.2719 T12: 0.0020 REMARK 3 T13: -0.0463 T23: 0.0121 REMARK 3 L TENSOR REMARK 3 L11: 1.1838 L22: 4.5646 REMARK 3 L33: 1.8066 L12: -0.8368 REMARK 3 L13: 0.8687 L23: -1.5586 REMARK 3 S TENSOR REMARK 3 S11: 0.1719 S12: 0.0124 S13: -0.5571 REMARK 3 S21: -0.1366 S22: 0.1368 S23: 0.4309 REMARK 3 S31: 0.2458 S32: -0.1093 S33: -0.2507 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 135:147) REMARK 3 ORIGIN FOR THE GROUP (A): 12.5721 72.4103 36.3526 REMARK 3 T TENSOR REMARK 3 T11: 0.1820 T22: 0.1088 REMARK 3 T33: 0.2431 T12: 0.0428 REMARK 3 T13: -0.0186 T23: -0.0386 REMARK 3 L TENSOR REMARK 3 L11: 4.7057 L22: 3.1808 REMARK 3 L33: 3.7339 L12: -1.3860 REMARK 3 L13: 3.7418 L23: -1.6094 REMARK 3 S TENSOR REMARK 3 S11: -0.3688 S12: -0.2806 S13: 0.6384 REMARK 3 S21: 0.3277 S22: 0.1301 S23: -0.4346 REMARK 3 S31: -0.6540 S32: -0.1428 S33: 0.2499 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 4J9Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-MAR-13. REMARK 100 THE DEPOSITION ID IS D_1000077781. 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 : NULL REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49769 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.510 REMARK 200 RESOLUTION RANGE LOW (A) : 38.879 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03500 REMARK 200 FOR THE DATA SET : 24.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.51 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.68200 REMARK 200 R SYM FOR SHELL (I) : 0.68200 REMARK 200 FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.88 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 298.0K 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 38.81500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.41000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.81500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.41000 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: 14750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -199.0 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 72.56606 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 64.63192 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 623 LIES ON A SPECIAL POSITION. REMARK 375 HOH R1221 LIES ON A SPECIAL POSITION. REMARK 375 HOH R1227 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 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 HIS B 491 CG ND1 CD2 CE1 NE2 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 O GLU R 119 O HOH R 1257 1.84 REMARK 500 OD1 ASP R 133 O HOH R 1269 1.84 REMARK 500 O1 GOL R 1003 O HOH R 1121 1.85 REMARK 500 O HOH R 1291 O HOH R 1292 1.85 REMARK 500 OD1 ASN R 97 O HOH R 1291 1.87 REMARK 500 OG1 THR R 70 O HOH R 1132 1.87 REMARK 500 O HOH B 622 O HOH B 706 1.90 REMARK 500 O THR B 417 O HOH B 689 1.92 REMARK 500 O GLN R 135 O HOH R 1269 1.92 REMARK 500 O HOH R 1232 O HOH R 1269 1.98 REMARK 500 O HOH R 1142 O HOH R 1204 1.99 REMARK 500 OD1 ASP R 129 O HOH R 1269 2.00 REMARK 500 OD1 ASP R 93 O HOH R 1291 2.00 REMARK 500 O HOH B 710 O HOH B 714 2.01 REMARK 500 O HOH R 1193 O HOH R 1254 2.05 REMARK 500 OD1 ASN R 53 O HOH R 1295 2.06 REMARK 500 O HOH B 703 O HOH B 705 2.07 REMARK 500 OD1 ASN R 53 O HOH R 1219 2.10 REMARK 500 O GLU R 67 O HOH R 1223 2.11 REMARK 500 OE1 GLN R 41 O HOH R 1256 2.12 REMARK 500 OE1 GLU R 6 O HOH R 1280 2.12 REMARK 500 O HOH B 721 O HOH B 722 2.12 REMARK 500 O HOH R 1102 O HOH R 1186 2.13 REMARK 500 O HOH R 1102 O HOH R 1259 2.13 REMARK 500 O TYR R 99 O HOH R 1291 2.15 REMARK 500 O HOH B 620 O HOH B 723 2.15 REMARK 500 O HOH B 644 O HOH B 718 2.17 REMARK 500 OE2 GLU R 83 O HOH R 1255 2.17 REMARK 500 O HOH R 1276 O HOH R 1287 2.17 REMARK 500 O HOH R 1241 O HOH R 1277 2.17 REMARK 500 O HOH B 608 O HOH B 665 2.17 REMARK 500 O HOH R 1183 O HOH R 1218 2.18 REMARK 500 O HOH R 1285 O HOH R 1295 2.18 REMARK 500 O HOH R 1277 O HOH R 1278 2.19 REMARK 500 O HOH R 1150 O HOH R 1222 2.19 REMARK 500 NE ARG B 450 O HOH B 669 2.19 REMARK 500 O HOH B 666 O HOH B 682 2.19 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 O HOH B 656 O HOH R 1148 2656 1.44 REMARK 500 O HOH B 706 O HOH R 1254 2656 1.89 REMARK 500 O HOH B 647 O HOH B 647 2656 1.92 REMARK 500 O HOH B 610 O HOH R 1193 2656 2.01 REMARK 500 O HOH R 1166 O HOH R 1166 2657 2.06 REMARK 500 O HOH B 619 O HOH R 1194 2656 2.10 REMARK 500 O HOH B 678 O HOH R 1222 3545 2.13 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 -111.34 50.33 REMARK 500 LYS R 75 39.73 -141.51 REMARK 500 LYS R 115 153.37 82.26 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 75.3 REMARK 620 3 ASP R 24 OD1 83.4 74.7 REMARK 620 4 THR R 26 O 84.6 151.5 83.1 REMARK 620 5 GLU R 31 OE1 108.7 127.9 155.8 77.5 REMARK 620 6 GLU R 31 OE2 95.3 74.9 148.9 127.9 53.1 REMARK 620 7 HOH R1101 O 163.3 94.5 81.2 99.7 87.9 94.6 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 87.3 REMARK 620 3 ASN R 60 OD1 92.7 79.6 REMARK 620 4 THR R 62 O 96.8 154.8 75.4 REMARK 620 5 GLU R 67 OE1 115.7 123.5 142.3 77.0 REMARK 620 6 GLU R 67 OE2 95.1 76.5 154.4 127.4 51.9 REMARK 620 N 1 2 3 4 5 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G4Y RELATED DB: PDB REMARK 900 RELATED ID: 4G27 RELATED DB: PDB REMARK 900 RELATED ID: 4G28 RELATED DB: PDB REMARK 900 RELATED ID: 3SJQ RELATED DB: PDB REMARK 900 RELATED ID: 4J9Z RELATED DB: PDB DBREF 4J9Y B 396 487 UNP P70604 KCNN2_RAT 396 487 DBREF 4J9Y R 0 148 UNP P62161 CALM_RAT 1 149 SEQADV 4J9Y MET B 394 UNP P70604 EXPRESSION TAG SEQADV 4J9Y GLY B 395 UNP P70604 EXPRESSION TAG SEQADV 4J9Y LEU B 488 UNP P70604 EXPRESSION TAG SEQADV 4J9Y GLU B 489 UNP P70604 EXPRESSION TAG SEQADV 4J9Y HIS B 490 UNP P70604 EXPRESSION TAG SEQADV 4J9Y HIS B 491 UNP P70604 EXPRESSION TAG SEQADV 4J9Y HIS B 492 UNP P70604 EXPRESSION TAG SEQADV 4J9Y HIS B 493 UNP P70604 EXPRESSION TAG SEQADV 4J9Y HIS B 494 UNP P70604 EXPRESSION TAG SEQADV 4J9Y 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 6 HET SO4 R1004 5 HET SO4 R1005 5 HETNAM SO4 SULFATE ION HETNAM CA CALCIUM ION HETNAM GOL GLYCEROL 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 HOH *321(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 2.40 LINK OD1 ASP R 22 CA CA R1001 1555 1555 2.47 LINK OD1 ASP R 24 CA CA R1001 1555 1555 2.32 LINK O THR R 26 CA CA R1001 1555 1555 2.27 LINK OE1 GLU R 31 CA CA R1001 1555 1555 2.31 LINK OE2 GLU R 31 CA CA R1001 1555 1555 2.57 LINK OD1 ASP R 56 CA CA R1002 1555 1555 2.20 LINK OD2 ASP R 58 CA CA R1002 1555 1555 2.28 LINK OD1 ASN R 60 CA CA R1002 1555 1555 2.59 LINK O THR R 62 CA CA R1002 1555 1555 2.48 LINK OE1 GLU R 67 CA CA R1002 1555 1555 2.50 LINK OE2 GLU R 67 CA CA R1002 1555 1555 2.55 LINK CA CA R1001 O HOH R1101 1555 1555 2.54 CISPEP 1 HIS B 490 HIS B 491 0 6.54 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 7 ILE R 100 SER R 101 GLU R 104 HOH R1119 SITE 2 AC4 7 HOH R1121 HOH R1129 HOH R1153 SITE 1 AC5 5 LYS B 402 ASP R 78 THR R 79 HOH R1171 SITE 2 AC5 5 HOH R1266 SITE 1 AC6 6 LYS R 30 ARG R 126 HOH R1131 HOH R1198 SITE 2 AC6 6 HOH R1262 HOH R1288 CRYST1 77.630 66.820 64.830 90.00 94.48 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 0.012882 0.000000 0.001009 0.00000 SCALE2 0.000000 0.014966 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015472 0.00000