PDB Short entry for 2I61 HEADER TOXIN 27-AUG-06 2I61 TITLE DEPRESSANT ANTI-INSECT NEUROTOXIN, LQHIT2 FROM LEIURUS QUINQUESTRIATUS TITLE 2 HEBRAEUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSECT TOXIN 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PEPTIDE MODIFIER OF VOLTAGE-GATED SODIUM CHANNELS; COMPND 5 SYNONYM: LQH IT2, LQHIT2, LQHIT2-44, ANTI-INSECT DEPRESSANT COMPND 6 NEUROTOXIN; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEIURUS QUINQUESTRIATUS HEBRAEUS; SOURCE 3 ORGANISM_TAXID: 6884; SOURCE 4 STRAIN: HEBRAEUS; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11C KEYWDS SCORPION TOXIN, DEPRESSANT, ANTI-INSECT, SODIUM CHANNEL MODIFER, KEYWDS 2 TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR F.FROLOW,M.GUREVITZ,I.KARBAT,M.TURKOV,D.GORDON REVDAT 5 30-AUG-23 2I61 1 REMARK SEQADV LINK REVDAT 4 18-OCT-17 2I61 1 REMARK REVDAT 3 24-FEB-09 2I61 1 VERSN REVDAT 2 13-FEB-07 2I61 1 JRNL REVDAT 1 26-DEC-06 2I61 0 JRNL AUTH I.KARBAT,M.TURKOV,L.COHEN,R.KAHN,D.GORDON,M.GUREVITZ, JRNL AUTH 2 F.FROLOW JRNL TITL X-RAY STRUCTURE AND MUTAGENESIS OF THE SCORPION DEPRESSANT JRNL TITL 2 TOXIN LQHIT2 REVEALS KEY DETERMINANTS CRUCIAL FOR ACTIVITY JRNL TITL 3 AND ANTI-INSECT SELECTIVITY. JRNL REF J.MOL.BIOL. V. 366 586 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17166514 JRNL DOI 10.1016/J.JMB.2006.10.085 REMARK 2 REMARK 2 RESOLUTION. 1.20 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.54 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.7 REMARK 3 NUMBER OF REFLECTIONS : 16246 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) : 0.097 REMARK 3 R VALUE (WORKING SET) : 0.096 REMARK 3 FREE R VALUE : 0.120 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 830 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) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1090 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.84 REMARK 3 BIN R VALUE (WORKING SET) : 0.0670 REMARK 3 BIN FREE R VALUE SET COUNT : 60 REMARK 3 BIN FREE R VALUE : 0.0980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 478 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 86 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.81 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 8.22 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.35000 REMARK 3 B22 (A**2) : 0.56000 REMARK 3 B33 (A**2) : -0.27000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.10000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.030 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.030 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.014 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.659 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.982 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.976 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 543 ; 0.015 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 390 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 728 ; 1.659 ; 1.965 REMARK 3 BOND ANGLES OTHERS (DEGREES): 932 ; 0.927 ; 3.017 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 67 ; 5.479 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 22 ;30.911 ;24.091 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 90 ;12.916 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ; 2.314 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 66 ; 0.121 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 595 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 111 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 110 ; 0.262 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 383 ; 0.194 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 256 ; 0.191 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 296 ; 0.086 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 48 ; 0.229 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 9 ; 0.095 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 23 ; 0.228 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 45 ; 0.291 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 18 ; 0.248 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): 3 ; 0.110 ; 0.200 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): 415 ; 3.387 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 138 ; 1.526 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 497 ; 3.741 ; 5.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 291 ; 5.642 ; 7.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 227 ; 6.555 ;10.000 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): 1244 ; 2.611 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 89 ;13.164 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 919 ; 5.060 ; 3.000 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 2I61 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-AUG-06. REMARK 100 THE DEPOSITION ID IS D_1000039181. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.5 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) : 1.0052 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16312 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 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 (%) : 94.7 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : 0.03800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 43.6300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.04600 REMARK 200 R SYM FOR SHELL (I) : 0.04600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 22.77 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: PDB ENTRY 2SN3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.98 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN CONCENTRATION 8MG/ML, REMARK 280 PRECEPITANT 1.5 M LISO4, BUFFER 0.1 M NA, HEPES, PH 7.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 292K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 25.71150 REMARK 290 SMTRY3 2 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: 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 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 O1 EDO A 66 O HOH A 133 2.12 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 A 99 O HOH A 133 1556 1.89 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 ASP A 50 CB - CG - OD1 ANGL. DEV. = 5.5 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 ILE A 16 -57.04 -120.07 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 LI A 63 LI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 8 O REMARK 620 2 GLU A 19 OE1 107.0 REMARK 620 3 THR A 59 O 103.9 122.3 REMARK 620 4 HOH A 79 O 121.1 107.2 96.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 LI A 64 LI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 26 O REMARK 620 2 HOH A 88 O 108.9 REMARK 620 3 HOH A 109 O 110.5 108.7 REMARK 620 4 HOH A 151 O 113.1 109.1 106.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 LI A 62 LI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TRP A 36 O REMARK 620 2 HOH A 74 O 117.6 REMARK 620 3 HOH A 83 O 98.8 108.9 REMARK 620 4 HOH A 84 O 103.4 111.8 115.9 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI A 62 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI A 63 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI A 64 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 65 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 66 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 67 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 68 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO2 A 69 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 70 DBREF 2I61 A 1 61 UNP Q26292 SIX2_LEIQH 22 82 SEQADV 2I61 MET A 0 UNP Q26292 INITIATING METHIONINE SEQRES 1 A 62 MET ASP GLY TYR ILE LYS ARG ARG ASP GLY CYS LYS VAL SEQRES 2 A 62 ALA CYS LEU ILE GLY ASN GLU GLY CYS ASP LYS GLU CYS SEQRES 3 A 62 LYS ALA TYR GLY GLY SER TYR GLY TYR CYS TRP THR TRP SEQRES 4 A 62 GLY LEU ALA CYS TRP CYS GLU GLY LEU PRO ASP ASP LYS SEQRES 5 A 62 THR TRP LYS SER GLU THR ASN THR CYS GLY HET LI A 62 1 HET LI A 63 1 HET LI A 64 1 HET SO4 A 65 5 HET EDO A 66 4 HET EDO A 67 8 HET EDO A 68 4 HET CO2 A 69 3 HET ACY A 70 4 HETNAM LI LITHIUM ION HETNAM SO4 SULFATE ION HETNAM EDO 1,2-ETHANEDIOL HETNAM CO2 CARBON DIOXIDE HETNAM ACY ACETIC ACID HETSYN EDO ETHYLENE GLYCOL FORMUL 2 LI 3(LI 1+) FORMUL 5 SO4 O4 S 2- FORMUL 6 EDO 3(C2 H6 O2) FORMUL 9 CO2 C O2 FORMUL 10 ACY C2 H4 O2 FORMUL 11 HOH *86(H2 O) HELIX 1 1 GLY A 17 TYR A 28 1 12 HELIX 2 2 PRO A 48 THR A 52 5 5 HELIX 3 3 LYS A 54 ASN A 58 5 5 SHEET 1 A 2 TYR A 32 TYR A 34 0 SHEET 2 A 2 TRP A 43 GLU A 45 -1 O GLU A 45 N TYR A 32 SSBOND 1 CYS A 10 CYS A 60 1555 1555 2.05 SSBOND 2 CYS A 14 CYS A 35 1555 1555 2.05 SSBOND 3 CYS A 21 CYS A 42 1555 1555 2.08 SSBOND 4 CYS A 25 CYS A 44 1555 1555 2.04 LINK O ASP A 8 LI LI A 63 1555 1555 1.90 LINK OE1 GLU A 19 LI LI A 63 1656 1555 1.96 LINK O LYS A 26 LI LI A 64 1555 1555 1.90 LINK O TRP A 36 LI LI A 62 1555 1555 1.97 LINK O THR A 59 LI LI A 63 1555 1555 1.98 LINK LI LI A 62 O HOH A 74 1555 1554 1.89 LINK LI LI A 62 O HOH A 83 1555 1555 1.96 LINK LI LI A 62 O HOH A 84 1555 1655 1.87 LINK LI LI A 63 O HOH A 79 1555 1555 1.94 LINK LI LI A 64 O HOH A 88 1555 1555 1.85 LINK LI LI A 64 O HOH A 109 1555 1555 1.88 LINK LI LI A 64 O HOH A 151 1555 1555 1.94 SITE 1 AC1 5 ASP A 8 TRP A 36 HOH A 74 HOH A 83 SITE 2 AC1 5 HOH A 84 SITE 1 AC2 4 ASP A 8 GLU A 19 THR A 59 HOH A 79 SITE 1 AC3 4 LYS A 26 HOH A 88 HOH A 109 HOH A 151 SITE 1 AC4 11 ARG A 7 ASN A 18 ASN A 58 HOH A 74 SITE 2 AC4 11 HOH A 82 HOH A 99 HOH A 102 HOH A 127 SITE 3 AC4 11 HOH A 133 HOH A 139 HOH A 150 SITE 1 AC5 3 GLY A 61 HOH A 99 HOH A 133 SITE 1 AC6 9 LYS A 5 ASP A 22 LYS A 26 TYR A 32 SITE 2 AC6 9 THR A 57 THR A 59 HOH A 94 HOH A 120 SITE 3 AC6 9 HOH A 155 SITE 1 AC7 4 MET A 0 TYR A 28 LYS A 51 GLU A 56 SITE 1 AC8 4 CYS A 10 LYS A 11 TRP A 53 CYS A 60 SITE 1 AC9 8 LYS A 5 ARG A 6 ARG A 7 TYR A 28 SITE 2 AC9 8 ASP A 50 LYS A 51 SER A 55 HOH A 134 CRYST1 19.660 51.423 28.917 90.00 107.75 90.00 P 1 21 1 2 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 0.050865 0.000000 0.016282 0.00000 SCALE2 0.000000 0.019447 0.000000 0.00000 SCALE3 0.000000 0.000000 0.036310 0.00000