HEADER DNA 10-OCT-95 1LEY TITLE STRUCTURE OF A DICATIONIC MONOIMIDAZOLE LEXITROPSIN BOUND TO DNA TITLE 2 (ORIENTATION 2) COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS B-DNA, DOUBLE HELIX, COMPLEXED WITH DRUG, DNA EXPDTA X-RAY DIFFRACTION AUTHOR D.S.GOODSELL,H.L.NG,M.L.KOPKA,J.W.LOWN,R.E.DICKERSON REVDAT 3 14-FEB-24 1LEY 1 REMARK REVDAT 2 24-FEB-09 1LEY 1 VERSN REVDAT 1 03-APR-96 1LEY 0 JRNL AUTH D.S.GOODSELL,H.L.NG,M.L.KOPKA,J.W.LOWN,R.E.DICKERSON JRNL TITL STRUCTURE OF A DICATIONIC MONOIMIDAZOLE LEXITROPSIN BOUND TO JRNL TITL 2 DNA. JRNL REF BIOCHEMISTRY V. 34 16654 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 8527438 JRNL DOI 10.1021/BI00051A013 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NUCLSQ REMARK 3 AUTHORS : WESTHOF,DUMAS,MORAS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 86.0 REMARK 3 NUMBER OF REFLECTIONS : 2322 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.164 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 486 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 37 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) : 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 SUGAR-BASE BOND DISTANCE (A) : 0.025 ; 0.030 REMARK 3 SUGAR-BASE BOND ANGLE DISTANCE (A) : 0.049 ; 0.040 REMARK 3 PHOSPHATE BONDS DISTANCE (A) : 0.030 ; 0.025 REMARK 3 PHOSPHATE BOND ANGLE, H-BOND (A) : 0.069 ; 0.050 REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.015 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.144 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION CONTACT (A) : 0.107 ; 0.100 REMARK 3 MULTIPLE TORSION CONTACT (A) : 0.093 ; 0.100 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 SUGAR-BASE BONDS (A**2) : 5.480 ; 6.000 REMARK 3 SUGAR-BASE ANGLES (A**2) : 6.266 ; 6.000 REMARK 3 PHOSPHATE BONDS (A**2) : 5.343 ; 6.000 REMARK 3 PHOSPHATE BOND ANGLE, H-BOND (A**2) : 5.843 ; 6.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1LEY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000174691. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 248.00 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : RIGAKU AFC-5R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : NULL 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 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 278.00K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 12.01500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.15000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.63000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.15000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 12.01500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 19.63000 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 300 REMARK: THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 DNA CHAINS AND 1 MONOIMIDAZOLE REMARK 300 LEXITROPSIN MOLECULE. INDEPENDENT REFINEMENTS OF THE REMARK 300 STRUCTURE WERE CARRIED OUT WITH THE LEXITROPSIN MOLECULE REMARK 300 IN TWO DIFFERENT ORIENTATIONS. IT COULD NOT BE DETERMINED REMARK 300 WHICH OF THESE ORIENTATIONS WAS CORRECT. THE TWO SETS OF REMARK 300 COORDINATES ARE AVAILABLE IN THE PDB FILES 1LEX AND 1LEY. 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 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 DC A 1 O4' DC A 1 C4' -0.070 REMARK 500 DC A 3 C2' DC A 3 C1' -0.084 REMARK 500 DG A 4 C5 DG A 4 N7 0.054 REMARK 500 DA A 6 O3' DA A 6 C3' -0.054 REMARK 500 DT A 7 O4' DT A 7 C4' -0.070 REMARK 500 DT A 8 O3' DT A 8 C3' -0.052 REMARK 500 DT A 8 C4 DT A 8 O4 0.061 REMARK 500 DC A 9 N3 DC A 9 C4 0.051 REMARK 500 DG A 10 C4 DG A 10 C5 -0.049 REMARK 500 DG A 10 C5 DG A 10 N7 0.049 REMARK 500 DC A 11 C5' DC A 11 C4' -0.074 REMARK 500 DC A 11 N1 DC A 11 C6 -0.037 REMARK 500 DG A 12 N1 DG A 12 C2 -0.062 REMARK 500 DG B 14 N7 DG B 14 C8 -0.041 REMARK 500 DC B 15 P DC B 15 O5' -0.060 REMARK 500 DC B 15 C2' DC B 15 C1' -0.099 REMARK 500 DC B 15 O4' DC B 15 C4' -0.060 REMARK 500 DG B 16 O4' DG B 16 C4' -0.080 REMARK 500 DA B 17 O3' DA B 17 C3' -0.045 REMARK 500 DA B 17 N1 DA B 17 C2 0.059 REMARK 500 DA B 17 C5 DA B 17 N7 0.040 REMARK 500 DA B 17 O3' DA B 18 P -0.074 REMARK 500 DT B 19 C4 DT B 19 C5 -0.073 REMARK 500 DT B 20 C4 DT B 20 C5 -0.057 REMARK 500 DT B 20 C4 DT B 20 O4 0.062 REMARK 500 DC B 21 C2 DC B 21 O2 -0.065 REMARK 500 DG B 22 C5 DG B 22 N7 0.037 REMARK 500 DG B 22 N7 DG B 22 C8 0.051 REMARK 500 DC B 23 C2' DC B 23 C1' -0.066 REMARK 500 DC B 23 C2 DC B 23 N3 0.050 REMARK 500 DG B 24 O5' DG B 24 C5' -0.196 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 DC A 1 O4' - C1' - C2' ANGL. DEV. = -6.4 DEGREES REMARK 500 DC A 1 O4' - C1' - N1 ANGL. DEV. = 4.0 DEGREES REMARK 500 DC A 1 C2 - N3 - C4 ANGL. DEV. = 3.6 DEGREES REMARK 500 DC A 1 N3 - C4 - C5 ANGL. DEV. = -3.3 DEGREES REMARK 500 DC A 1 N1 - C2 - O2 ANGL. DEV. = 6.3 DEGREES REMARK 500 DG A 2 O5' - P - OP1 ANGL. DEV. = 12.2 DEGREES REMARK 500 DG A 2 O5' - C5' - C4' ANGL. DEV. = -12.5 DEGREES REMARK 500 DG A 2 C3' - O3' - P ANGL. DEV. = 17.0 DEGREES REMARK 500 DC A 3 O3' - P - OP1 ANGL. DEV. = 11.8 DEGREES REMARK 500 DC A 3 O4' - C1' - C2' ANGL. DEV. = 8.6 DEGREES REMARK 500 DC A 3 N1 - C1' - C2' ANGL. DEV. = -12.6 DEGREES REMARK 500 DC A 3 C6 - N1 - C2 ANGL. DEV. = 3.9 DEGREES REMARK 500 DC A 3 N1 - C2 - N3 ANGL. DEV. = -4.2 DEGREES REMARK 500 DC A 3 C2 - N3 - C4 ANGL. DEV. = 3.5 DEGREES REMARK 500 DC A 3 C5 - C4 - N4 ANGL. DEV. = 4.5 DEGREES REMARK 500 DC A 3 C2 - N1 - C1' ANGL. DEV. = -9.0 DEGREES REMARK 500 DC A 3 C3' - O3' - P ANGL. DEV. = 17.2 DEGREES REMARK 500 DG A 4 O5' - C5' - C4' ANGL. DEV. = -8.7 DEGREES REMARK 500 DG A 4 P - O5' - C5' ANGL. DEV. = -10.7 DEGREES REMARK 500 DG A 4 C3' - C2' - C1' ANGL. DEV. = -5.9 DEGREES REMARK 500 DA A 5 OP1 - P - OP2 ANGL. DEV. = 9.5 DEGREES REMARK 500 DA A 5 O4' - C1' - N9 ANGL. DEV. = 2.1 DEGREES REMARK 500 DA A 5 C5 - C6 - N1 ANGL. DEV. = -3.9 DEGREES REMARK 500 DA A 5 N1 - C6 - N6 ANGL. DEV. = 6.6 DEGREES REMARK 500 DA A 5 C3' - O3' - P ANGL. DEV. = 9.7 DEGREES REMARK 500 DA A 6 O5' - C5' - C4' ANGL. DEV. = -5.0 DEGREES REMARK 500 DA A 6 C3' - C2' - C1' ANGL. DEV. = -8.0 DEGREES REMARK 500 DA A 6 C6 - N1 - C2 ANGL. DEV. = 4.7 DEGREES REMARK 500 DA A 6 N1 - C2 - N3 ANGL. DEV. = -5.5 DEGREES REMARK 500 DA A 6 C5 - C6 - N1 ANGL. DEV. = -3.1 DEGREES REMARK 500 DA A 6 N1 - C6 - N6 ANGL. DEV. = 4.0 DEGREES REMARK 500 DT A 7 O3' - P - O5' ANGL. DEV. = -17.4 DEGREES REMARK 500 DT A 7 O3' - P - OP1 ANGL. DEV. = 10.5 DEGREES REMARK 500 DT A 7 O5' - C5' - C4' ANGL. DEV. = -10.1 DEGREES REMARK 500 DT A 7 N1 - C2 - N3 ANGL. DEV. = 4.9 DEGREES REMARK 500 DT A 7 C2 - N3 - C4 ANGL. DEV. = -6.2 DEGREES REMARK 500 DT A 7 C5 - C6 - N1 ANGL. DEV. = -6.3 DEGREES REMARK 500 DT A 7 N3 - C2 - O2 ANGL. DEV. = -4.7 DEGREES REMARK 500 DT A 8 O5' - C5' - C4' ANGL. DEV. = -6.6 DEGREES REMARK 500 DT A 8 C1' - O4' - C4' ANGL. DEV. = -8.3 DEGREES REMARK 500 DT A 8 O4' - C1' - N1 ANGL. DEV. = -4.9 DEGREES REMARK 500 DT A 8 C2 - N3 - C4 ANGL. DEV. = -5.9 DEGREES REMARK 500 DT A 8 N3 - C4 - C5 ANGL. DEV. = 5.0 DEGREES REMARK 500 DT A 8 N1 - C2 - O2 ANGL. DEV. = -7.2 DEGREES REMARK 500 DT A 8 N3 - C2 - O2 ANGL. DEV. = 4.2 DEGREES REMARK 500 DT A 8 C3' - O3' - P ANGL. DEV. = 28.9 DEGREES REMARK 500 DC A 9 OP1 - P - OP2 ANGL. DEV. = -16.4 DEGREES REMARK 500 DC A 9 O5' - P - OP2 ANGL. DEV. = 15.6 DEGREES REMARK 500 DG A 10 O5' - C5' - C4' ANGL. DEV. = -6.5 DEGREES REMARK 500 DG A 10 C3' - C2' - C1' ANGL. DEV. = -4.8 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 120 ANGLE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 DG B 24 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ILT A 25 DBREF 1LEY A 1 12 PDB 1LEY 1LEY 1 12 DBREF 1LEY B 13 24 PDB 1LEY 1LEY 13 24 SEQRES 1 A 12 DC DG DC DG DA DA DT DT DC DG DC DG SEQRES 1 B 12 DC DG DC DG DA DA DT DT DC DG DC DG HET ILT A 25 31 HETNAM ILT MONOIMIDAZOLE LEXITROPSIN FORMUL 3 ILT C17 H25 N11 O3 FORMUL 4 HOH *37(H2 O) SITE 1 AC1 12 DA A 5 DA A 6 DT A 7 DT A 8 SITE 2 AC1 12 DC A 9 HOH A 56 DG B 16 DA B 17 SITE 3 AC1 12 DA B 18 DT B 19 DT B 20 DC B 21 CRYST1 24.030 39.260 66.300 90.00 90.00 90.00 P 21 21 21 8 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 0.041614 0.000000 0.000000 0.00000 SCALE2 0.000000 0.025471 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015083 0.00000