HEADER TOXIN 10-DEC-18 6Q6C TITLE PORE-MODULATING TOXINS EXPLOIT INHERENT SLOW INACTIVATION TO BLOCK K+ TITLE 2 CHANNELS COMPND MOL_ID: 1; COMPND 2 MOLECULE: KUNITZ-TYPE CONKUNITZIN-S1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CONK-S1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS STRIATUS; SOURCE 3 ORGANISM_COMMON: STRIATED CONE; SOURCE 4 ORGANISM_TAXID: 6493; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR I.KARBAT,H.GUETA,S.FINE,T.SZANTO,S.HAMER-ROGOTNER,O.DYM,F.FROLOW, AUTHOR 2 D.GORDON,G.PANYI,M.GUREVITZ,E.REUVENY REVDAT 4 24-JAN-24 6Q6C 1 REMARK REVDAT 3 18-SEP-19 6Q6C 1 JRNL REVDAT 2 04-SEP-19 6Q6C 1 JRNL REVDAT 1 21-AUG-19 6Q6C 0 JRNL AUTH I.KARBAT,H.ALTMAN-GUETA,S.FINE,T.SZANTO,S.HAMER-ROGOTNER, JRNL AUTH 2 O.DYM,F.FROLOW,D.GORDON,G.PANYI,M.GUREVITZ,E.REUVENY JRNL TITL PORE-MODULATING TOXINS EXPLOIT INHERENT SLOW INACTIVATION TO JRNL TITL 2 BLOCK K+CHANNELS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 116 18700 2019 JRNL REFN ESSN 1091-6490 JRNL PMID 31444298 JRNL DOI 10.1073/PNAS.1908903116 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0238 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 38155 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) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.162 REMARK 3 FREE R VALUE : 0.202 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2022 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) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.33 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2776 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.72 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE SET COUNT : 145 REMARK 3 BIN FREE R VALUE : 0.2940 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 933 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 141 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.63 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.93000 REMARK 3 B22 (A**2) : 0.93000 REMARK 3 B33 (A**2) : -3.03000 REMARK 3 B12 (A**2) : 0.47000 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): 0.044 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.047 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.041 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.336 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.962 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1033 ; 0.041 ; 0.014 REMARK 3 BOND LENGTHS OTHERS (A): 851 ; 0.001 ; 0.018 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1392 ; 2.217 ; 1.697 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1983 ; 1.676 ; 1.610 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 126 ; 8.177 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 69 ;26.091 ;20.435 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 167 ;12.320 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 13 ;18.489 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 125 ; 0.123 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1212 ; 0.017 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 247 ; 0.002 ; 0.020 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): 495 ; 3.307 ; 2.023 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 494 ; 2.490 ; 2.012 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 624 ; 3.471 ; 3.012 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 625 ; 3.582 ; 3.022 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 538 ; 8.137 ; 2.652 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 513 ; 5.190 ; 2.500 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 739 ; 5.141 ; 3.582 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1130 ; 4.973 ;24.810 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1097 ; 4.852 ;23.888 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1884 ; 5.188 ; 3.000 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 6Q6C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-DEC-18. REMARK 100 THE DEPOSITION ID IS D_1200013351. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : EPINORM REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40174 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 28.070 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.7500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MOLREP REMARK 200 STARTING MODEL: 1Y62 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05M POTASSIUM PHOSPHATE MONOBASIC REMARK 280 AND 20% W/V PEG 8,000, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 44.55000 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 22.27500 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 22.27500 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 44.55000 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: MONOMERIC 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 A 249 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 LYS A 1 REMARK 465 ASP A 2 REMARK 465 ALA A 61 REMARK 465 LYS B 1 REMARK 465 ALA B 61 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 44 CD OE1 OE2 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 N NO3 A 106 O2 NO3 B 103 4655 2.06 REMARK 500 O2 NO3 A 106 O2 NO3 B 103 4655 2.12 REMARK 500 O3 NO3 A 106 O2 NO3 B 103 4655 2.15 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 22 NH1 - CZ - NH2 ANGL. DEV. = 7.4 DEGREES REMARK 500 ARG A 22 NE - CZ - NH2 ANGL. DEV. = -8.7 DEGREES REMARK 500 ARG A 34 CG - CD - NE ANGL. DEV. = -13.3 DEGREES REMARK 500 ARG B 22 NE - CZ - NH2 ANGL. DEV. = -3.6 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 TYR A 59 62.61 -107.62 REMARK 500 ASN B 46 104.45 -161.46 REMARK 500 TYR B 59 -100.60 -108.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TYR B 59 THR B 60 -132.80 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 272 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH B 267 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH B 268 DISTANCE = 5.95 ANGSTROMS REMARK 525 HOH B 269 DISTANCE = 7.02 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PO4 A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PO4 B 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 B 103 DBREF 6Q6C A 1 60 UNP P0C1X2 VKTS1_CONST 27 86 DBREF 6Q6C B 1 60 UNP P0C1X2 VKTS1_CONST 27 86 SEQADV 6Q6C ASP A 55 UNP P0C1X2 ARG 81 ENGINEERED MUTATION SEQADV 6Q6C ALA A 61 UNP P0C1X2 EXPRESSION TAG SEQADV 6Q6C ASP B 55 UNP P0C1X2 ARG 81 ENGINEERED MUTATION SEQADV 6Q6C ALA B 61 UNP P0C1X2 EXPRESSION TAG SEQRES 1 A 61 LYS ASP ARG PRO SER LEU CYS ASP LEU PRO ALA ASP SER SEQRES 2 A 61 GLY SER GLY THR LYS ALA GLU LYS ARG ILE TYR TYR ASN SEQRES 3 A 61 SER ALA ARG LYS GLN CYS LEU ARG PHE ASP TYR THR GLY SEQRES 4 A 61 GLN GLY GLY ASN GLU ASN ASN PHE ARG ARG THR TYR ASP SEQRES 5 A 61 CYS GLN ASP THR CYS LEU TYR THR ALA SEQRES 1 B 61 LYS ASP ARG PRO SER LEU CYS ASP LEU PRO ALA ASP SER SEQRES 2 B 61 GLY SER GLY THR LYS ALA GLU LYS ARG ILE TYR TYR ASN SEQRES 3 B 61 SER ALA ARG LYS GLN CYS LEU ARG PHE ASP TYR THR GLY SEQRES 4 B 61 GLN GLY GLY ASN GLU ASN ASN PHE ARG ARG THR TYR ASP SEQRES 5 B 61 CYS GLN ASP THR CYS LEU TYR THR ALA HET PO4 A 101 5 HET NO3 A 102 4 HET NO3 A 103 4 HET NO3 A 104 4 HET NO3 A 105 4 HET NO3 A 106 4 HET EDO B 101 4 HET PO4 B 102 5 HET NO3 B 103 4 HETNAM PO4 PHOSPHATE ION HETNAM NO3 NITRATE ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 3 PO4 2(O4 P 3-) FORMUL 4 NO3 6(N O3 1-) FORMUL 9 EDO C2 H6 O2 FORMUL 12 HOH *141(H2 O) HELIX 1 AA1 PRO A 4 LEU A 9 5 6 HELIX 2 AA2 ARG A 49 LEU A 58 1 10 HELIX 3 AA3 PRO B 4 LEU B 9 5 6 HELIX 4 AA4 ARG B 49 LEU B 58 1 10 SHEET 1 AA1 2 GLU A 20 ASN A 26 0 SHEET 2 AA1 2 GLN A 31 TYR A 37 -1 O GLN A 31 N ASN A 26 SHEET 1 AA2 2 GLU B 20 ASN B 26 0 SHEET 2 AA2 2 GLN B 31 TYR B 37 -1 O GLN B 31 N ASN B 26 SSBOND 1 CYS A 7 CYS A 57 1555 1555 2.14 SSBOND 2 CYS A 32 CYS A 53 1555 1555 2.23 SSBOND 3 CYS B 7 CYS B 57 1555 1555 2.14 SSBOND 4 CYS B 32 CYS B 53 1555 1555 2.30 SITE 1 AC1 10 LYS A 18 GLU A 20 ARG A 22 ARG A 48 SITE 2 AC1 10 HOH A 207 HOH A 208 PHE B 47 ARG B 48 SITE 3 AC1 10 ARG B 49 ASP B 52 SITE 1 AC2 4 PHE A 47 ARG A 48 ARG A 49 ASP A 52 SITE 1 AC3 6 ARG A 22 TYR A 37 GLY A 39 ASN A 46 SITE 2 AC3 6 HOH A 208 HOH A 212 SITE 1 AC4 2 ARG A 48 HOH A 204 SITE 1 AC5 7 SER B 5 ASP B 8 ARG B 49 TYR B 51 SITE 2 AC5 7 NO3 B 103 HOH B 228 HOH B 255 SITE 1 AC6 8 PRO A 10 ALA A 11 ASN A 26 HOH A 221 SITE 2 AC6 8 ALA B 11 ASP B 12 SER B 13 HOH B 215 SITE 1 AC7 8 SER B 5 ARG B 49 THR B 50 TYR B 51 SITE 2 AC7 8 HOH B 201 HOH B 224 HOH B 243 HOH B 246 SITE 1 AC8 3 ARG A 48 ARG A 49 NO3 A 106 CRYST1 64.835 64.835 66.825 90.00 90.00 120.00 P 32 2 1 12 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 0.015424 0.008905 0.000000 0.00000 SCALE2 0.000000 0.017810 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014964 0.00000