PDB Short entry for 4G27 HEADER METAL TRANSPORT/CALCIUM BINDING PROTEIN 11-JUL-12 4G27 TITLE CALCIUM-CALMODULIN COMPLEXED WITH THE CALMODULIN BINDING DOMAIN FROM A TITLE 2 SMALL CONDUCTANCE POTASSIUM CHANNEL SPLICE VARIANT AND PHENYLUREA 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 4G27 1 REMARK SEQADV LINK REVDAT 2 15-NOV-17 4G27 1 REMARK REVDAT 1 12-SEP-12 4G27 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. 1.65 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.07 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 39243 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.930 REMARK 3 FREE R VALUE TEST SET COUNT : 1934 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 39.0825 - 3.9755 0.95 2617 142 0.1945 0.1935 REMARK 3 2 3.9755 - 3.1559 1.00 2697 139 0.1696 0.2382 REMARK 3 3 3.1559 - 2.7571 1.00 2714 120 0.1836 0.2180 REMARK 3 4 2.7571 - 2.5051 1.00 2693 128 0.1802 0.2276 REMARK 3 5 2.5051 - 2.3255 1.00 2643 148 0.1802 0.2210 REMARK 3 6 2.3255 - 2.1884 1.00 2655 156 0.1826 0.2366 REMARK 3 7 2.1884 - 2.0788 1.00 2698 126 0.1769 0.2110 REMARK 3 8 2.0788 - 1.9883 1.00 2663 133 0.1915 0.2352 REMARK 3 9 1.9883 - 1.9118 0.99 2622 154 0.2132 0.2676 REMARK 3 10 1.9118 - 1.8458 1.00 2698 140 0.2218 0.2731 REMARK 3 11 1.8458 - 1.7881 1.00 2666 125 0.2440 0.2800 REMARK 3 12 1.7881 - 1.7370 1.00 2664 134 0.2556 0.2556 REMARK 3 13 1.7370 - 1.6913 1.00 2639 125 0.2746 0.3605 REMARK 3 14 1.6913 - 1.6500 1.00 2640 164 0.2940 0.3409 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 : 0.40 REMARK 3 B_SOL : 52.69 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.340 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) : -0.86030 REMARK 3 B22 (A**2) : 1.60590 REMARK 3 B33 (A**2) : -0.74550 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -5.73420 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 1926 REMARK 3 ANGLE : 1.264 2583 REMARK 3 CHIRALITY : 0.072 288 REMARK 3 PLANARITY : 0.006 345 REMARK 3 DIHEDRAL : 13.243 753 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 10 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 395:414) REMARK 3 ORIGIN FOR THE GROUP (A): 29.6634 62.6195 47.0078 REMARK 3 T TENSOR REMARK 3 T11: 0.3296 T22: 0.3232 REMARK 3 T33: 0.2767 T12: 0.0859 REMARK 3 T13: -0.0732 T23: -0.0708 REMARK 3 L TENSOR REMARK 3 L11: 9.2885 L22: 9.5882 REMARK 3 L33: 4.4799 L12: -7.2302 REMARK 3 L13: -2.2495 L23: 1.0773 REMARK 3 S TENSOR REMARK 3 S11: -0.4134 S12: -0.6553 S13: 0.9073 REMARK 3 S21: 0.2459 S22: 0.3426 S23: -0.7797 REMARK 3 S31: -0.0488 S32: 0.1976 S33: -0.0358 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 415:445) REMARK 3 ORIGIN FOR THE GROUP (A): 59.6291 59.6804 23.5510 REMARK 3 T TENSOR REMARK 3 T11: 0.0909 T22: 0.1812 REMARK 3 T33: 0.1888 T12: -0.0407 REMARK 3 T13: -0.0345 T23: -0.0705 REMARK 3 L TENSOR REMARK 3 L11: 4.7451 L22: 5.1072 REMARK 3 L33: 9.0622 L12: 0.2647 REMARK 3 L13: -2.3723 L23: -1.6401 REMARK 3 S TENSOR REMARK 3 S11: -0.0413 S12: 0.3745 S13: -0.4178 REMARK 3 S21: -0.1724 S22: 0.0519 S23: -0.2342 REMARK 3 S31: 0.0248 S32: 0.1683 S33: 0.0360 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'B' AND (RESSEQ 446:489) REMARK 3 ORIGIN FOR THE GROUP (A): 42.2674 56.3734 32.9658 REMARK 3 T TENSOR REMARK 3 T11: 0.1412 T22: 0.1214 REMARK 3 T33: 0.1764 T12: 0.0090 REMARK 3 T13: -0.0584 T23: -0.0292 REMARK 3 L TENSOR REMARK 3 L11: 6.1386 L22: 0.7294 REMARK 3 L33: 8.2690 L12: 0.9327 REMARK 3 L13: -5.8291 L23: -0.9909 REMARK 3 S TENSOR REMARK 3 S11: -0.0919 S12: 0.1545 S13: -0.0174 REMARK 3 S21: 0.0265 S22: 0.0814 S23: -0.0730 REMARK 3 S31: -0.2232 S32: -0.1832 S33: 0.0022 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 2:28) REMARK 3 ORIGIN FOR THE GROUP (A): 28.7848 51.0201 59.7508 REMARK 3 T TENSOR REMARK 3 T11: 0.7308 T22: 0.5324 REMARK 3 T33: 0.1535 T12: 0.3254 REMARK 3 T13: 0.0265 T23: 0.0884 REMARK 3 L TENSOR REMARK 3 L11: 1.2976 L22: 0.9259 REMARK 3 L33: 3.3164 L12: 0.0080 REMARK 3 L13: 0.6879 L23: -0.9993 REMARK 3 S TENSOR REMARK 3 S11: -0.3141 S12: -0.3211 S13: 0.2143 REMARK 3 S21: 0.6247 S22: 0.1272 S23: 0.0533 REMARK 3 S31: -0.6430 S32: -0.1417 S33: -0.2258 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 29:64) REMARK 3 ORIGIN FOR THE GROUP (A): 35.6445 45.5584 47.4007 REMARK 3 T TENSOR REMARK 3 T11: 0.3246 T22: 0.2598 REMARK 3 T33: 0.2136 T12: 0.1407 REMARK 3 T13: -0.0588 T23: -0.0327 REMARK 3 L TENSOR REMARK 3 L11: 1.8115 L22: 0.6237 REMARK 3 L33: 5.1381 L12: -0.5988 REMARK 3 L13: 2.2451 L23: -0.6576 REMARK 3 S TENSOR REMARK 3 S11: -0.5873 S12: -0.5878 S13: 0.2717 REMARK 3 S21: 0.7413 S22: 0.3451 S23: -0.1489 REMARK 3 S31: -0.0355 S32: 0.1971 S33: 0.1256 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 65:75) REMARK 3 ORIGIN FOR THE GROUP (A): 36.0935 55.4208 57.3047 REMARK 3 T TENSOR REMARK 3 T11: 0.5287 T22: 0.6134 REMARK 3 T33: 0.4648 T12: 0.3038 REMARK 3 T13: -0.2862 T23: -0.2404 REMARK 3 L TENSOR REMARK 3 L11: 3.5772 L22: 2.2783 REMARK 3 L33: 4.2325 L12: -2.0688 REMARK 3 L13: 3.8633 L23: -2.2029 REMARK 3 S TENSOR REMARK 3 S11: -0.1773 S12: 0.2780 S13: 0.2688 REMARK 3 S21: 0.2139 S22: -0.0670 S23: -0.3282 REMARK 3 S31: -0.0622 S32: 0.4992 S33: 0.2176 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 76:92) REMARK 3 ORIGIN FOR THE GROUP (A): 22.4264 66.5519 37.3537 REMARK 3 T TENSOR REMARK 3 T11: 0.1810 T22: 0.2094 REMARK 3 T33: 0.2488 T12: 0.0367 REMARK 3 T13: -0.0049 T23: -0.0154 REMARK 3 L TENSOR REMARK 3 L11: 8.1608 L22: 3.7761 REMARK 3 L33: 8.1725 L12: 0.0694 REMARK 3 L13: 7.2435 L23: 0.0715 REMARK 3 S TENSOR REMARK 3 S11: -0.5708 S12: 0.3449 S13: 0.6890 REMARK 3 S21: 0.2592 S22: 0.1910 S23: -0.3184 REMARK 3 S31: -0.5663 S32: 0.7446 S33: 0.3551 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 93:117) REMARK 3 ORIGIN FOR THE GROUP (A): 8.5991 60.9714 29.7771 REMARK 3 T TENSOR REMARK 3 T11: 0.1952 T22: 0.2145 REMARK 3 T33: 0.2605 T12: 0.0239 REMARK 3 T13: -0.0564 T23: -0.0272 REMARK 3 L TENSOR REMARK 3 L11: 3.7714 L22: 9.0661 REMARK 3 L33: 2.8700 L12: -0.6350 REMARK 3 L13: 0.8633 L23: -3.2654 REMARK 3 S TENSOR REMARK 3 S11: 0.1633 S12: 0.1851 S13: -0.6060 REMARK 3 S21: -0.5508 S22: 0.1470 S23: 0.3170 REMARK 3 S31: 0.4237 S32: -0.2571 S33: -0.2416 REMARK 3 TLS GROUP : 9 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 118:134) REMARK 3 ORIGIN FOR THE GROUP (A): 2.3253 66.9631 37.0463 REMARK 3 T TENSOR REMARK 3 T11: 0.1789 T22: 0.2912 REMARK 3 T33: 0.3263 T12: 0.0597 REMARK 3 T13: 0.0130 T23: 0.0678 REMARK 3 L TENSOR REMARK 3 L11: 3.8356 L22: 2.0969 REMARK 3 L33: 4.1577 L12: -0.9208 REMARK 3 L13: 1.1718 L23: -2.7347 REMARK 3 S TENSOR REMARK 3 S11: -0.0473 S12: -0.4309 S13: -0.5988 REMARK 3 S21: 0.2624 S22: 0.5241 S23: 0.7569 REMARK 3 S31: -0.0898 S32: -0.4158 S33: -0.3632 REMARK 3 TLS GROUP : 10 REMARK 3 SELECTION: CHAIN 'R' AND (RESSEQ 135:147) REMARK 3 ORIGIN FOR THE GROUP (A): 12.9928 72.3274 36.3225 REMARK 3 T TENSOR REMARK 3 T11: 0.2453 T22: 0.1649 REMARK 3 T33: 0.2899 T12: 0.0510 REMARK 3 T13: -0.0415 T23: -0.0241 REMARK 3 L TENSOR REMARK 3 L11: 7.5870 L22: 6.8465 REMARK 3 L33: 3.4856 L12: -0.4443 REMARK 3 L13: 4.8114 L23: -0.5250 REMARK 3 S TENSOR REMARK 3 S11: -0.5237 S12: -0.2822 S13: 0.8811 REMARK 3 S21: 0.5006 S22: 0.0975 S23: -0.4456 REMARK 3 S31: -0.8445 S32: -0.3248 S33: 0.3585 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 4G27 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_1000073644. 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 : 39245 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.64500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 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 (%): 56.94 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 38.23000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.43500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.23000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.43500 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: 14300 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22390 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -194.0 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 72.69951 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 65.02135 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 1.19 REMARK 500 HE ARG B 450 O HOH B 649 1.50 REMARK 500 N SER R 101 HO1 GOL R 1003 1.60 REMARK 500 OD1 ASN R 97 O HOH R 1233 1.88 REMARK 500 OD1 ASP R 93 O HOH R 1233 1.91 REMARK 500 O HOH R 1233 O HOH R 1234 1.92 REMARK 500 O HOH R 1103 O HOH R 1236 1.95 REMARK 500 O HOH R 1148 O HOH R 1201 1.97 REMARK 500 O HOH R 1170 O HOH R 1197 1.98 REMARK 500 O TYR R 99 O HOH R 1233 2.06 REMARK 500 O HOH R 1223 O HOH R 1236 2.11 REMARK 500 O HOH R 1163 O HOH R 1200 2.14 REMARK 500 O HOH R 1168 O HOH R 1178 2.16 REMARK 500 O GLU R 67 O HOH R 1202 2.17 REMARK 500 O1 GOL R 1003 O HOH R 1122 2.18 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 R 1219 O HOH R 1219 2556 2.11 REMARK 500 O HOH R 1162 O HOH R 1162 2657 2.13 REMARK 500 O HOH B 658 O HOH R 1201 3545 2.17 REMARK 500 O HOH R 1219 O HOH R 1220 2556 2.19 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 -110.51 51.10 REMARK 500 LYS R 115 154.61 83.74 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 80.3 REMARK 620 3 ASP R 22 OD2 124.5 44.2 REMARK 620 4 ASP R 24 OD1 81.7 71.5 81.8 REMARK 620 5 THR R 26 O 76.7 138.6 143.4 71.5 REMARK 620 6 GLU R 31 OE2 104.8 91.0 79.2 160.2 127.9 REMARK 620 7 GLU R 31 OE1 104.2 145.7 120.4 142.6 74.0 54.8 REMARK 620 8 HOH R1102 O 154.0 107.5 68.0 77.6 81.8 99.9 83.5 REMARK 620 N 1 2 3 4 5 6 7 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 94.6 REMARK 620 3 ASN R 60 OD1 89.2 76.1 REMARK 620 4 THR R 62 O 87.1 151.3 75.2 REMARK 620 5 GLU R 67 OE2 116.3 77.8 144.7 126.7 REMARK 620 6 GLU R 67 OE1 121.6 126.6 135.0 74.7 52.1 REMARK 620 7 HOH R1103 O 140.5 102.9 61.9 61.1 101.9 74.5 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 PHU 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: 4G28 RELATED DB: PDB DBREF 4G27 B 396 487 UNP P70604 KCNN2_RAT 396 487 DBREF 4G27 R 0 148 UNP P62161 CALM_RAT 1 149 SEQADV 4G27 MET B 394 UNP P70604 EXPRESSION TAG SEQADV 4G27 GLY B 395 UNP P70604 EXPRESSION TAG SEQADV 4G27 LEU B 488 UNP P70604 EXPRESSION TAG SEQADV 4G27 GLU B 489 UNP P70604 EXPRESSION TAG SEQADV 4G27 HIS B 490 UNP P70604 EXPRESSION TAG SEQADV 4G27 HIS B 491 UNP P70604 EXPRESSION TAG SEQADV 4G27 HIS B 492 UNP P70604 EXPRESSION TAG SEQADV 4G27 HIS B 493 UNP P70604 EXPRESSION TAG SEQADV 4G27 HIS B 494 UNP P70604 EXPRESSION TAG SEQADV 4G27 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 PHU R1006 14 HETNAM SO4 SULFATE ION HETNAM CA CALCIUM ION HETNAM GOL GLYCEROL HETNAM PHU 1-PHENYLUREA HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL HETSYN PHU PHENYLUREA FORMUL 3 SO4 3(O4 S 2-) FORMUL 4 CA 2(CA 2+) FORMUL 6 GOL C3 H8 O3 FORMUL 9 PHU C7 H8 N2 O FORMUL 10 HOH *208(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 GLU R 54 1 11 HELIX 7 7 ASP R 64 LYS R 75 1 12 HELIX 8 8 SER R 81 VAL R 91 1 11 HELIX 9 9 ALA R 102 LEU R 112 1 11 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 2.43 LINK OD1 ASP R 22 CA CA R1001 1555 1555 2.42 LINK OD2 ASP R 22 CA CA R1001 1555 1555 3.13 LINK OD1 ASP R 24 CA CA R1001 1555 1555 2.46 LINK O THR R 26 CA CA R1001 1555 1555 2.30 LINK OE2 GLU R 31 CA CA R1001 1555 1555 2.40 LINK OE1 GLU R 31 CA CA R1001 1555 1555 2.44 LINK OD1 ASP R 56 CA CA R1002 1555 1555 2.11 LINK OD2 ASP R 58 CA CA R1002 1555 1555 2.32 LINK OD1 ASN R 60 CA CA R1002 1555 1555 2.63 LINK O THR R 62 CA CA R1002 1555 1555 2.57 LINK OE2 GLU R 67 CA CA R1002 1555 1555 2.41 LINK OE1 GLU R 67 CA CA R1002 1555 1555 2.58 LINK CA CA R1001 O HOH R1102 1555 1555 2.55 LINK CA CA R1002 O HOH R1103 1555 1555 1.85 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 R1102 SITE 1 AC3 6 ASP R 56 ASP R 58 ASN R 60 THR R 62 SITE 2 AC3 6 GLU R 67 HOH R1103 SITE 1 AC4 8 ILE R 100 SER R 101 GLU R 104 GLN R 135 SITE 2 AC4 8 HOH R1120 HOH R1122 HOH R1129 HOH R1151 SITE 1 AC5 5 LYS B 402 ASP R 78 THR R 79 HOH R1165 SITE 2 AC5 5 HOH R1225 SITE 1 AC6 3 LYS R 30 ARG R 126 HOH R1131 SITE 1 AC7 6 ALA B 477 LEU B 480 MET R 51 VAL R 55 SITE 2 AC7 6 ILE R 63 PHE R 68 CRYST1 76.460 66.870 65.130 90.00 93.31 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 0.013079 0.000000 0.000756 0.00000 SCALE2 0.000000 0.014954 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015380 0.00000