HEADER MEMBRANE PROTEIN 03-DEC-19 6V5A TITLE CRYSTAL STRUCTURE OF THE HUMAN BK CHANNEL GATING RING L390P MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALCIUM-ACTIVATED POTASSIUM CHANNEL SUBUNIT ALPHA-1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: GATING RING; COMPND 5 SYNONYM: BK CHANNEL,BKCA ALPHA,CALCIUM-ACTIVATED POTASSIUM CHANNEL, COMPND 6 SUBFAMILY M SUBUNIT ALPHA-1,K(VCA)ALPHA,KCA1.1,MAXI K CHANNEL,MAXIK, COMPND 7 SLO-ALPHA,SLO1,SLOWPOKE HOMOLOG,HSLO; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KCNMA1, KCNMA, SLO; SOURCE 6 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS ION CHANNEL, MEMBRANE PROTEIN, POTASSIUM EXPDTA X-RAY DIFFRACTION AUTHOR Z.DENG,P.YUAN REVDAT 3 11-OCT-23 6V5A 1 REMARK REVDAT 2 16-MAR-22 6V5A 1 LINK REVDAT 1 01-JUL-20 6V5A 0 JRNL AUTH Y.GENG,Z.DENG,G.ZHANG,G.BUDELLI,A.BUTLER,P.YUAN,J.CUI, JRNL AUTH 2 L.SALKOFF,K.L.MAGLEBY JRNL TITL COUPLING OF CA2+AND VOLTAGE ACTIVATION IN BK CHANNELS JRNL TITL 2 THROUGH THE ALPHA B HELIX/VOLTAGE SENSOR INTERFACE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 117 14512 2020 JRNL REFN ESSN 1091-6490 JRNL PMID 32513714 JRNL DOI 10.1073/PNAS.1908183117 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0103 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 63458 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.203 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4683 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 226 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.82 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; NULL ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6V5A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-DEC-19. REMARK 100 THE DEPOSITION ID IS D_1000245792. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-NOV-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M-F REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 67264 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 8.200 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 30.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.73400 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: 3MT5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM SODIUM ACETATE, 4% (W/V) PEG REMARK 280 4000, 100 MM SODIUM SULFATE, AND 100 MM LITHIUM SULFATE (PH 4.9), REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 72.75900 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.00743 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 80.95067 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 72.75900 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 42.00743 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 80.95067 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 72.75900 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 42.00743 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 80.95067 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 72.75900 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 42.00743 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 80.95067 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 72.75900 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 42.00743 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 80.95067 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 72.75900 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 42.00743 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 80.95067 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 84.01486 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 161.90133 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 84.01486 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 161.90133 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 84.01486 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 161.90133 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 84.01486 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 161.90133 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 84.01486 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 161.90133 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 84.01486 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 161.90133 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 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 A 340 REMARK 465 GLY A 341 REMARK 465 ARG A 342 REMARK 465 LYS A 571 REMARK 465 SER A 572 REMARK 465 ALA A 573 REMARK 465 ASN A 574 REMARK 465 ARG A 575 REMARK 465 GLU A 576 REMARK 465 ALA A 614 REMARK 465 CYS A 615 REMARK 465 HIS A 616 REMARK 465 ASP A 617 REMARK 465 ASP A 618 REMARK 465 ILE A 619 REMARK 465 THR A 620 REMARK 465 ASP A 621 REMARK 465 PRO A 622 REMARK 465 LYS A 623 REMARK 465 ARG A 624 REMARK 465 ILE A 625 REMARK 465 LYS A 626 REMARK 465 LYS A 627 REMARK 465 CYS A 628 REMARK 465 GLY A 629 REMARK 465 CYS A 630 REMARK 465 LYS A 631 REMARK 465 ARG A 632 REMARK 465 LEU A 633 REMARK 465 GLU A 634 REMARK 465 ASP A 635 REMARK 465 GLU A 636 REMARK 465 GLN A 637 REMARK 465 PRO A 638 REMARK 465 SER A 639 REMARK 465 THR A 640 REMARK 465 LEU A 641 REMARK 465 SER A 642 REMARK 465 PRO A 643 REMARK 465 LYS A 644 REMARK 465 LYS A 645 REMARK 465 LYS A 646 REMARK 465 GLN A 647 REMARK 465 ARG A 648 REMARK 465 ASN A 649 REMARK 465 GLY A 650 REMARK 465 GLY A 651 REMARK 465 MET A 652 REMARK 465 ARG A 653 REMARK 465 ASN A 654 REMARK 465 SER A 655 REMARK 465 PRO A 656 REMARK 465 ASN A 657 REMARK 465 THR A 658 REMARK 465 SER A 659 REMARK 465 PRO A 660 REMARK 465 LYS A 661 REMARK 465 LEU A 662 REMARK 465 MET A 663 REMARK 465 ARG A 664 REMARK 465 HIS A 665 REMARK 465 ASP A 666 REMARK 465 PRO A 667 REMARK 465 LEU A 668 REMARK 465 LEU A 669 REMARK 465 ILE A 670 REMARK 465 PRO A 671 REMARK 465 GLY A 672 REMARK 465 ASN A 673 REMARK 465 ASP A 674 REMARK 465 GLN A 675 REMARK 465 ILE A 676 REMARK 465 ASP A 677 REMARK 465 ASN A 678 REMARK 465 MET A 679 REMARK 465 ASN A 808 REMARK 465 ASN A 809 REMARK 465 ILE A 810 REMARK 465 ASP A 811 REMARK 465 ASP A 812 REMARK 465 THR A 813 REMARK 465 SER A 814 REMARK 465 LEU A 815 REMARK 465 GLN A 816 REMARK 465 ASP A 834 REMARK 465 SER A 835 REMARK 465 ILE A 836 REMARK 465 GLY A 837 REMARK 465 VAL A 838 REMARK 465 LEU A 839 REMARK 465 GLN A 840 REMARK 465 ALA A 841 REMARK 465 ASN A 842 REMARK 465 SER A 843 REMARK 465 GLN A 844 REMARK 465 GLY A 845 REMARK 465 PHE A 846 REMARK 465 THR A 847 REMARK 465 PRO A 848 REMARK 465 PRO A 849 REMARK 465 GLY A 850 REMARK 465 MET A 851 REMARK 465 ASP A 852 REMARK 465 ARG A 853 REMARK 465 SER A 854 REMARK 465 SER A 855 REMARK 465 PRO A 856 REMARK 465 ASP A 857 REMARK 465 ASN A 858 REMARK 465 SER A 859 REMARK 465 PRO A 860 REMARK 465 VAL A 861 REMARK 465 HIS A 862 REMARK 465 GLY A 863 REMARK 465 MET A 864 REMARK 465 LEU A 865 REMARK 465 ARG A 866 REMARK 465 GLN A 867 REMARK 465 PRO A 868 REMARK 465 THR A 946 REMARK 465 PRO A 947 REMARK 465 GLU A 948 REMARK 465 LEU A 949 REMARK 465 HIS A 1021 REMARK 465 LEU A 1022 REMARK 465 SER A 1023 REMARK 465 THR A 1024 REMARK 465 GLU A 1061 REMARK 465 VAL A 1062 REMARK 465 LEU A 1063 REMARK 465 PHE A 1064 REMARK 465 GLN A 1065 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 ASN A 384 CG OD1 ND2 REMARK 470 LEU A 385 CG CD1 CD2 REMARK 470 GLU A 386 CG CD OE1 OE2 REMARK 470 LEU A 387 CG CD1 CD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASN A 384 N - CA - C ANGL. DEV. = -16.4 DEGREES 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 MET A 513 74.51 -106.56 REMARK 500 ASP A 898 119.04 -164.75 REMARK 500 ASP A1019 53.21 -105.48 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 A2001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 889 O REMARK 620 2 ASP A 892 O 106.0 REMARK 620 3 ASP A 895 OD1 144.5 75.5 REMARK 620 4 ASP A 897 OD1 83.5 157.9 85.2 REMARK 620 5 ASP A 897 OD2 83.2 150.6 113.3 48.6 REMARK 620 6 HOH A2218 O 71.0 78.5 74.7 86.1 130.5 REMARK 620 7 HOH A2241 O 145.3 88.0 69.3 95.3 70.7 143.7 REMARK 620 8 HOH A2287 O 77.0 78.4 135.9 123.6 76.6 133.1 75.0 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 CA A 2001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 2002 DBREF 6V5A A 341 1056 UNP Q12791 KCMA1_HUMAN 406 1121 SEQADV 6V5A MET A 340 UNP Q12791 INITIATING METHIONINE SEQADV 6V5A PRO A 390 UNP Q12791 LEU 455 ENGINEERED MUTATION SEQADV 6V5A SER A 1057 UNP Q12791 EXPRESSION TAG SEQADV 6V5A ASN A 1058 UNP Q12791 EXPRESSION TAG SEQADV 6V5A SER A 1059 UNP Q12791 EXPRESSION TAG SEQADV 6V5A LEU A 1060 UNP Q12791 EXPRESSION TAG SEQADV 6V5A GLU A 1061 UNP Q12791 EXPRESSION TAG SEQADV 6V5A VAL A 1062 UNP Q12791 EXPRESSION TAG SEQADV 6V5A LEU A 1063 UNP Q12791 EXPRESSION TAG SEQADV 6V5A PHE A 1064 UNP Q12791 EXPRESSION TAG SEQADV 6V5A GLN A 1065 UNP Q12791 EXPRESSION TAG SEQRES 1 A 726 MET GLY ARG LYS HIS ILE VAL VAL CYS GLY HIS ILE THR SEQRES 2 A 726 LEU GLU SER VAL SER ASN PHE LEU LYS ASP PHE LEU HIS SEQRES 3 A 726 LYS ASP ARG ASP ASP VAL ASN VAL GLU ILE VAL PHE LEU SEQRES 4 A 726 HIS ASN ILE SER PRO ASN LEU GLU LEU GLU ALA PRO PHE SEQRES 5 A 726 LYS ARG HIS PHE THR GLN VAL GLU PHE TYR GLN GLY SER SEQRES 6 A 726 VAL LEU ASN PRO HIS ASP LEU ALA ARG VAL LYS ILE GLU SEQRES 7 A 726 SER ALA ASP ALA CYS LEU ILE LEU ALA ASN LYS TYR CYS SEQRES 8 A 726 ALA ASP PRO ASP ALA GLU ASP ALA SER ASN ILE MET ARG SEQRES 9 A 726 VAL ILE SER ILE LYS ASN TYR HIS PRO LYS ILE ARG ILE SEQRES 10 A 726 ILE THR GLN MET LEU GLN TYR HIS ASN LYS ALA HIS LEU SEQRES 11 A 726 LEU ASN ILE PRO SER TRP ASN TRP LYS GLU GLY ASP ASP SEQRES 12 A 726 ALA ILE CYS LEU ALA GLU LEU LYS LEU GLY PHE ILE ALA SEQRES 13 A 726 GLN SER CYS LEU ALA GLN GLY LEU SER THR MET LEU ALA SEQRES 14 A 726 ASN LEU PHE SER MET ARG SER PHE ILE LYS ILE GLU GLU SEQRES 15 A 726 ASP THR TRP GLN LYS TYR TYR LEU GLU GLY VAL SER ASN SEQRES 16 A 726 GLU MET TYR THR GLU TYR LEU SER SER ALA PHE VAL GLY SEQRES 17 A 726 LEU SER PHE PRO THR VAL CYS GLU LEU CYS PHE VAL LYS SEQRES 18 A 726 LEU LYS LEU LEU MET ILE ALA ILE GLU TYR LYS SER ALA SEQRES 19 A 726 ASN ARG GLU SER ARG ILE LEU ILE ASN PRO GLY ASN HIS SEQRES 20 A 726 LEU LYS ILE GLN GLU GLY THR LEU GLY PHE PHE ILE ALA SEQRES 21 A 726 SER ASP ALA LYS GLU VAL LYS ARG ALA PHE PHE TYR CYS SEQRES 22 A 726 LYS ALA CYS HIS ASP ASP ILE THR ASP PRO LYS ARG ILE SEQRES 23 A 726 LYS LYS CYS GLY CYS LYS ARG LEU GLU ASP GLU GLN PRO SEQRES 24 A 726 SER THR LEU SER PRO LYS LYS LYS GLN ARG ASN GLY GLY SEQRES 25 A 726 MET ARG ASN SER PRO ASN THR SER PRO LYS LEU MET ARG SEQRES 26 A 726 HIS ASP PRO LEU LEU ILE PRO GLY ASN ASP GLN ILE ASP SEQRES 27 A 726 ASN MET ASP SER ASN VAL LYS LYS TYR ASP SER THR GLY SEQRES 28 A 726 MET PHE HIS TRP CYS ALA PRO LYS GLU ILE GLU LYS VAL SEQRES 29 A 726 ILE LEU THR ARG SER GLU ALA ALA MET THR VAL LEU SER SEQRES 30 A 726 GLY HIS VAL VAL VAL CYS ILE PHE GLY ASP VAL SER SER SEQRES 31 A 726 ALA LEU ILE GLY LEU ARG ASN LEU VAL MET PRO LEU ARG SEQRES 32 A 726 ALA SER ASN PHE HIS TYR HIS GLU LEU LYS HIS ILE VAL SEQRES 33 A 726 PHE VAL GLY SER ILE GLU TYR LEU LYS ARG GLU TRP GLU SEQRES 34 A 726 THR LEU HIS ASN PHE PRO LYS VAL SER ILE LEU PRO GLY SEQRES 35 A 726 THR PRO LEU SER ARG ALA ASP LEU ARG ALA VAL ASN ILE SEQRES 36 A 726 ASN LEU CYS ASP MET CYS VAL ILE LEU SER ALA ASN GLN SEQRES 37 A 726 ASN ASN ILE ASP ASP THR SER LEU GLN ASP LYS GLU CYS SEQRES 38 A 726 ILE LEU ALA SER LEU ASN ILE LYS SER MET GLN PHE ASP SEQRES 39 A 726 ASP SER ILE GLY VAL LEU GLN ALA ASN SER GLN GLY PHE SEQRES 40 A 726 THR PRO PRO GLY MET ASP ARG SER SER PRO ASP ASN SER SEQRES 41 A 726 PRO VAL HIS GLY MET LEU ARG GLN PRO SER ILE THR THR SEQRES 42 A 726 GLY VAL ASN ILE PRO ILE ILE THR GLU LEU VAL ASN ASP SEQRES 43 A 726 THR ASN VAL GLN PHE LEU ASP GLN ASP ASP ASP ASP ASP SEQRES 44 A 726 PRO ASP THR GLU LEU TYR LEU THR GLN PRO PHE ALA CYS SEQRES 45 A 726 GLY THR ALA PHE ALA VAL SER VAL LEU ASP SER LEU MET SEQRES 46 A 726 SER ALA THR TYR PHE ASN ASP ASN ILE LEU THR LEU ILE SEQRES 47 A 726 ARG THR LEU VAL THR GLY GLY ALA THR PRO GLU LEU GLU SEQRES 48 A 726 ALA LEU ILE ALA GLU GLU ASN ALA LEU ARG GLY GLY TYR SEQRES 49 A 726 SER THR PRO GLN THR LEU ALA ASN ARG ASP ARG CYS ARG SEQRES 50 A 726 VAL ALA GLN LEU ALA LEU LEU ASP GLY PRO PHE ALA ASP SEQRES 51 A 726 LEU GLY ASP GLY GLY CYS TYR GLY ASP LEU PHE CYS LYS SEQRES 52 A 726 ALA LEU LYS THR TYR ASN MET LEU CYS PHE GLY ILE TYR SEQRES 53 A 726 ARG LEU ARG ASP ALA HIS LEU SER THR PRO SER GLN CYS SEQRES 54 A 726 THR LYS ARG TYR VAL ILE THR ASN PRO PRO TYR GLU PHE SEQRES 55 A 726 GLU LEU VAL PRO THR ASP LEU ILE PHE CYS LEU MET GLN SEQRES 56 A 726 PHE ASP SER ASN SER LEU GLU VAL LEU PHE GLN HET CA A2001 1 HET SO4 A2002 5 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 2 CA CA 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *226(H2 O) HELIX 1 AA1 THR A 352 ASP A 367 1 16 HELIX 2 AA2 ASP A 369 VAL A 373 5 5 HELIX 3 AA3 LEU A 387 PHE A 395 1 9 HELIX 4 AA4 ASN A 407 VAL A 414 1 8 HELIX 5 AA5 LYS A 415 ALA A 419 5 5 HELIX 6 AA6 ASP A 432 HIS A 451 1 20 HELIX 7 AA7 GLN A 462 ALA A 467 1 6 HELIX 8 AA8 HIS A 468 ILE A 472 5 5 HELIX 9 AA9 ASN A 476 GLY A 480 5 5 HELIX 10 AB1 LEU A 486 ALA A 500 1 15 HELIX 11 AB2 GLY A 502 LEU A 510 1 9 HELIX 12 AB3 THR A 523 SER A 533 1 11 HELIX 13 AB4 SER A 542 VAL A 546 5 5 HELIX 14 AB5 SER A 549 LYS A 562 1 14 HELIX 15 AB6 ASP A 601 LYS A 606 1 6 HELIX 16 AB7 LYS A 606 TYR A 611 1 6 HELIX 17 AB8 GLU A 699 VAL A 703 5 5 HELIX 18 AB9 THR A 706 THR A 713 1 8 HELIX 19 AC1 LEU A 734 MET A 739 1 6 HELIX 20 AC2 PRO A 740 ALA A 743 5 4 HELIX 21 AC3 HIS A 747 LEU A 751 5 5 HELIX 22 AC4 SER A 759 TRP A 767 1 9 HELIX 23 AC5 GLU A 768 LEU A 770 5 3 HELIX 24 AC6 SER A 785 VAL A 792 1 8 HELIX 25 AC7 ASN A 793 CYS A 797 5 5 HELIX 26 AC8 LYS A 818 MET A 830 1 13 HELIX 27 AC9 ASN A 884 LEU A 891 5 8 HELIX 28 AD1 GLU A 902 LEU A 905 5 4 HELIX 29 AD2 THR A 906 CYS A 911 1 6 HELIX 30 AD3 SER A 918 LEU A 920 5 3 HELIX 31 AD4 ASP A 921 ASN A 930 1 10 HELIX 32 AD5 ASP A 931 GLY A 943 1 13 HELIX 33 AD6 ALA A 951 ASN A 957 1 7 HELIX 34 AD7 THR A 965 ASN A 971 1 7 HELIX 35 AD8 PHE A 987 ASP A 992 1 6 HELIX 36 AD9 CYS A 995 ASN A 1008 1 14 SHEET 1 AA1 6 VAL A 398 GLN A 402 0 SHEET 2 AA1 6 GLU A 374 HIS A 379 1 N PHE A 377 O GLU A 399 SHEET 3 AA1 6 HIS A 344 GLY A 349 1 N ILE A 345 O VAL A 376 SHEET 4 AA1 6 ALA A 421 LEU A 425 1 O LEU A 423 N VAL A 346 SHEET 5 AA1 6 ILE A 456 MET A 460 1 O ILE A 457 N ILE A 424 SHEET 6 AA1 6 ASP A 482 CYS A 485 1 O ILE A 484 N THR A 458 SHEET 1 AA2 4 GLU A 535 TYR A 540 0 SHEET 2 AA2 4 LEU A 594 ALA A 599 -1 O PHE A 597 N TYR A 537 SHEET 3 AA2 4 LEU A 564 GLU A 569 -1 N LEU A 564 O ILE A 598 SHEET 4 AA2 4 ILE A 579 ILE A 581 -1 O LEU A 580 N ILE A 568 SHEET 1 AA3 2 TYR A 686 ASP A 687 0 SHEET 2 AA3 2 GLY A 961 GLY A 962 -1 O GLY A 962 N TYR A 686 SHEET 1 AA4 6 VAL A 776 PRO A 780 0 SHEET 2 AA4 6 ILE A 754 GLY A 758 1 N PHE A 756 O LEU A 779 SHEET 3 AA4 6 VAL A 719 PHE A 724 1 N VAL A 721 O VAL A 757 SHEET 4 AA4 6 MET A 799 SER A 804 1 O VAL A 801 N CYS A 722 SHEET 5 AA4 6 ILE A 878 LEU A 882 1 O ILE A 879 N ILE A 802 SHEET 6 AA4 6 ALA A 914 ALA A 916 1 O PHE A 915 N LEU A 882 SHEET 1 AA5 2 GLN A 831 PHE A 832 0 SHEET 2 AA5 2 THR A 871 THR A 872 -1 O THR A 871 N PHE A 832 SHEET 1 AA6 4 ARG A 976 ALA A 981 0 SHEET 2 AA6 4 LEU A1048 MET A1053 -1 O ILE A1049 N LEU A 980 SHEET 3 AA6 4 LEU A1010 LEU A1017 -1 N TYR A1015 O LEU A1048 SHEET 4 AA6 4 ARG A1031 THR A1035 -1 O ILE A1034 N ILE A1014 LINK O GLN A 889 CA CA A2001 1555 1555 2.35 LINK O ASP A 892 CA CA A2001 1555 1555 2.24 LINK OD1 ASP A 895 CA CA A2001 1555 1555 2.64 LINK OD1 ASP A 897 CA CA A2001 1555 1555 2.65 LINK OD2 ASP A 897 CA CA A2001 1555 1555 2.66 LINK CA CA A2001 O HOH A2218 1555 1555 2.63 LINK CA CA A2001 O HOH A2241 1555 1555 2.53 LINK CA CA A2001 O HOH A2287 1555 1555 2.43 SITE 1 AC1 7 GLN A 889 ASP A 892 ASP A 895 ASP A 897 SITE 2 AC1 7 HOH A2218 HOH A2241 HOH A2287 SITE 1 AC2 8 GLN A 462 TYR A 463 HIS A 464 GLY A 733 SITE 2 AC2 8 ARG A 735 ASN A 736 HOH A2116 HOH A2141 CRYST1 145.518 145.518 242.852 90.00 90.00 120.00 H 3 2 18 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 0.006872 0.003968 0.000000 0.00000 SCALE2 0.000000 0.007935 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004118 0.00000