PDB Short entry for 3BXL HEADER MEMBRANE PROTEIN, SIGNALING PROTEIN 14-JAN-08 3BXL TITLE CRYSTAL STRUCTURE OF THE R-TYPE CALCIUM CHANNEL (CAV2.3) IQ DOMAIN AND TITLE 2 CA2+CALMODULIN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CAM; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: VOLTAGE-DEPENDENT R-TYPE CALCIUM CHANNEL SUBUNIT ALPHA-1E COMPND 8 PEPTIDE; COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: CALM1, CALM, CAM, CAM1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET24B; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED (GENBANK SOURCE 13 ACCESSION NO. Q15878). KEYWDS ION CHANNEL, CALMODULIN, CALCIUM CHANNEL, IQ DOMAIN, FACILLITATION, KEYWDS 2 INACTIVATION, CALCIUM-DEPENDENT, VOLTAGE-GATED, ROBETTA, KEYWDS 3 SIMULATIONS, ACETYLATION, METHYLATION, PHOSPHOPROTEIN, UBL KEYWDS 4 CONJUGATION, CALCIUM TRANSPORT, GLYCOPROTEIN, ION TRANSPORT, IONIC KEYWDS 5 CHANNEL, MEMBRANE, TRANSMEMBRANE, TRANSPORT, VOLTAGE-GATED CHANNEL, KEYWDS 6 MEMBRANE PROTEIN, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.X.MORI,C.W.VANDER KOOI,D.J.LEAHY,D.T.YUE REVDAT 3 21-FEB-24 3BXL 1 REMARK LINK REVDAT 2 24-FEB-09 3BXL 1 VERSN REVDAT 1 25-MAR-08 3BXL 0 JRNL AUTH M.X.MORI,C.W.VANDER KOOI,D.J.LEAHY,D.T.YUE JRNL TITL CRYSTAL STRUCTURE OF THE CAV2 IQ DOMAIN IN COMPLEX WITH JRNL TITL 2 CA2+/CALMODULIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 12496 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) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 642 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 878 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.21 REMARK 3 BIN R VALUE (WORKING SET) : 0.2820 REMARK 3 BIN FREE R VALUE SET COUNT : 53 REMARK 3 BIN FREE R VALUE : 0.3510 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1277 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 138 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.19 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.03000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : -0.05000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.223 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.208 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.152 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.242 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.921 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1315 ; 0.008 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1767 ; 1.098 ; 1.971 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 164 ; 4.777 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 72 ;27.406 ;26.111 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 249 ;17.444 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;21.035 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 191 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 997 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 678 ; 0.205 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 910 ; 0.296 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 119 ; 0.117 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 11 ; 0.084 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 48 ; 0.192 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.110 ; 0.200 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): 838 ; 0.622 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1289 ; 1.021 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 537 ; 1.142 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 476 ; 1.874 ; 4.500 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3BXL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JAN-08. REMARK 100 THE DEPOSITION ID IS D_1000046082. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-OCT-06 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12496 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 62.30300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 62.30300 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.01200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 18.50600 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 62.30300 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 55.51800 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 55.51800 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 62.30300 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 18.50600 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 62.30300 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 37.01200 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 62.30300 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 37.01200 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 62.30300 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 55.51800 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 18.50600 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 62.30300 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 18.50600 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 55.51800 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 62.30300 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 62.30300 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 37.01200 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3560 ANGSTROM**2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8220 ANGSTROM**2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -62.30300 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 18.50600 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 S SO4 A 153 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 170 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 199 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 221 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 ALA A 1 REMARK 465 ASP A 2 REMARK 465 LYS A 148 REMARK 465 LYS B 1836 REMARK 465 LYS B 1837 REMARK 465 GLN B 1838 REMARK 465 ARG B 1839 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 LYS A 77 CG CD CE NZ REMARK 470 THR A 79 OG1 CG2 REMARK 470 ASP A 80 CG OD1 OD2 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 A 151 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 20 OD1 REMARK 620 2 ASP A 22 OD1 81.4 REMARK 620 3 ASP A 24 OD2 86.0 79.7 REMARK 620 4 THR A 26 O 87.9 158.6 81.1 REMARK 620 5 GLU A 31 OE1 96.9 74.1 152.9 125.8 REMARK 620 6 GLU A 31 OE2 107.7 124.5 153.0 76.4 50.7 REMARK 620 7 HOH A 173 O 166.1 88.0 83.3 99.1 88.7 85.8 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 152 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 56 OD1 REMARK 620 2 ASP A 58 OD1 68.4 REMARK 620 3 ASN A 60 OD1 81.3 76.2 REMARK 620 4 THR A 62 O 78.3 141.5 80.2 REMARK 620 5 GLU A 67 OE1 102.3 120.1 163.6 84.8 REMARK 620 6 GLU A 67 OE2 80.3 70.0 145.6 123.6 50.3 REMARK 620 7 HOH A 168 O 146.7 133.1 81.2 71.0 87.6 127.6 REMARK 620 8 HOH A 242 O 143.9 78.2 104.3 137.7 82.4 75.5 68.3 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 149 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 93 OD1 REMARK 620 2 ASP A 95 OD2 84.8 REMARK 620 3 ASN A 97 OD1 86.2 73.3 REMARK 620 4 TYR A 99 O 85.7 147.8 75.5 REMARK 620 5 GLU A 104 OE1 102.3 82.1 153.2 130.0 REMARK 620 6 GLU A 104 OE2 107.7 134.5 148.6 77.6 52.8 REMARK 620 7 HOH A 239 O 169.0 85.6 85.9 99.7 81.8 83.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 150 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 129 OD2 REMARK 620 2 ASP A 131 OD1 81.5 REMARK 620 3 ASP A 133 OD1 93.0 83.8 REMARK 620 4 GLN A 135 O 85.7 158.4 79.6 REMARK 620 5 GLU A 140 OE1 106.6 121.3 149.7 79.0 REMARK 620 6 GLU A 140 OE2 91.9 71.7 154.0 126.2 50.4 REMARK 620 7 HOH A 161 O 157.0 76.8 77.6 112.5 91.1 88.1 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 CA A 149 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 151 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 152 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 153 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 154 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BXK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE P/Q-TYPE CALCIUM CHANNEL IQ DOMAIN AND CA2+ REMARK 900 CALMODULIN COMPLEX DBREF 3BXL A 1 148 UNP P62161 CALM_RAT 2 149 DBREF 3BXL B 1819 1839 UNP Q07652 CAC1E_RAT 1819 1839 SEQRES 1 A 148 ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS SEQRES 2 A 148 GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR SEQRES 3 A 148 ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU SEQRES 4 A 148 GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE SEQRES 5 A 148 ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE SEQRES 6 A 148 PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP SEQRES 7 A 148 THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL SEQRES 8 A 148 PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU SEQRES 9 A 148 LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR SEQRES 10 A 148 ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE SEQRES 11 A 148 ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN SEQRES 12 A 148 MET MET THR ALA LYS SEQRES 1 B 21 LYS ILE TYR ALA ALA MET MET ILE MET ASP TYR TYR LYS SEQRES 2 B 21 GLN SER LYS VAL LYS LYS GLN ARG HET CA A 149 1 HET CA A 150 1 HET CA A 151 1 HET CA A 152 1 HET SO4 A 153 5 HET SO4 A 154 5 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 3 CA 4(CA 2+) FORMUL 7 SO4 2(O4 S 2-) FORMUL 9 HOH *138(H2 O) HELIX 1 1 THR A 5 ASP A 20 1 16 HELIX 2 2 THR A 28 LEU A 39 1 12 HELIX 3 3 THR A 44 ASP A 56 1 13 HELIX 4 4 PHE A 65 ASP A 78 1 14 HELIX 5 5 SER A 81 ASP A 93 1 13 HELIX 6 6 SER A 101 GLY A 113 1 13 HELIX 7 7 THR A 117 ASP A 129 1 13 HELIX 8 8 ASN A 137 ALA A 147 1 11 HELIX 9 9 LYS B 1819 VAL B 1835 1 17 SHEET 1 A 2 THR A 26 ILE A 27 0 SHEET 2 A 2 ILE A 63 ASP A 64 -1 O ILE A 63 N ILE A 27 LINK OD1 ASP A 20 CA CA A 151 1555 1555 2.36 LINK OD1 ASP A 22 CA CA A 151 1555 1555 2.53 LINK OD2 ASP A 24 CA CA A 151 1555 1555 2.36 LINK O THR A 26 CA CA A 151 1555 1555 2.31 LINK OE1 GLU A 31 CA CA A 151 1555 1555 2.59 LINK OE2 GLU A 31 CA CA A 151 1555 1555 2.53 LINK OD1 ASP A 56 CA CA A 152 1555 1555 2.49 LINK OD1 ASP A 58 CA CA A 152 1555 1555 2.67 LINK OD1 ASN A 60 CA CA A 152 1555 1555 2.39 LINK O THR A 62 CA CA A 152 1555 1555 2.53 LINK OE1 GLU A 67 CA CA A 152 1555 1555 2.51 LINK OE2 GLU A 67 CA CA A 152 1555 1555 2.61 LINK OD1 ASP A 93 CA CA A 149 1555 1555 2.32 LINK OD2 ASP A 95 CA CA A 149 1555 1555 2.43 LINK OD1 ASN A 97 CA CA A 149 1555 1555 2.39 LINK O TYR A 99 CA CA A 149 1555 1555 2.30 LINK OE1 GLU A 104 CA CA A 149 1555 1555 2.42 LINK OE2 GLU A 104 CA CA A 149 1555 1555 2.50 LINK OD2 ASP A 129 CA CA A 150 1555 1555 2.36 LINK OD1 ASP A 131 CA CA A 150 1555 1555 2.40 LINK OD1 ASP A 133 CA CA A 150 1555 1555 2.44 LINK O GLN A 135 CA CA A 150 1555 1555 2.25 LINK OE1 GLU A 140 CA CA A 150 1555 1555 2.45 LINK OE2 GLU A 140 CA CA A 150 1555 1555 2.68 LINK CA CA A 149 O HOH A 239 1555 1555 2.44 LINK CA CA A 150 O HOH A 161 1555 1555 2.43 LINK CA CA A 151 O HOH A 173 1555 1555 2.61 LINK CA CA A 152 O HOH A 168 1555 1555 2.46 LINK CA CA A 152 O HOH A 242 1555 1555 2.54 SITE 1 AC1 6 ASP A 93 ASP A 95 ASN A 97 TYR A 99 SITE 2 AC1 6 GLU A 104 HOH A 239 SITE 1 AC2 6 ASP A 129 ASP A 131 ASP A 133 GLN A 135 SITE 2 AC2 6 GLU A 140 HOH A 161 SITE 1 AC3 6 ASP A 20 ASP A 22 ASP A 24 THR A 26 SITE 2 AC3 6 GLU A 31 HOH A 173 SITE 1 AC4 7 ASP A 56 ASP A 58 ASN A 60 THR A 62 SITE 2 AC4 7 GLU A 67 HOH A 168 HOH A 242 SITE 1 AC5 4 ARG A 86 ARG A 90 TYR A 138 HOH A 202 SITE 1 AC6 7 GLY A 40 HIS A 107 ASN A 111 HOH A 215 SITE 2 AC6 7 HOH A 224 HOH A 249 HOH A 281 CRYST1 124.606 124.606 74.024 90.00 90.00 90.00 I 41 2 2 16 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 0.008025 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008025 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013509 0.00000