HEADER TRANSCRIPTION 29-JAN-26 9U18 TITLE CRYSTAL STRUCTURE OF THE NKX2.1 HOMEODOMAIN IN COMPLEX WITH A 12-BP TITLE 2 DNA DUPLEX CONTAINING A CAAG MOTIF COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAAG-CONTAINING 12BP FORWARD STRAND; COMPND 3 CHAIN: A, D; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 12BP REVERSE COMPLEMENTARY; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: HOMEOBOX PROTEIN NKX-2.1; COMPND 11 CHAIN: C, F; COMPND 12 SYNONYM: HOMEOBOX PROTEIN NK-2 HOMOLOG A,THYROID NUCLEAR FACTOR 1, COMPND 13 THYROID TRANSCRIPTION FACTOR 1,TTF-1,THYROID-SPECIFIC ENHANCER- COMPND 14 BINDING PROTEIN,T/EBP; COMPND 15 ENGINEERED: YES; COMPND 16 OTHER_DETAILS: AA192-250 OF NP_001073136.1; COMPND 17 MOL_ID: 4; COMPND 18 MOLECULE: 12BP REVERSE COMPLEMENTARY; COMPND 19 CHAIN: E; COMPND 20 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 GENE: NKX2-1, NKX2A, TITF1, TTF1; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 866768; SOURCE 16 MOL_ID: 4; SOURCE 17 SYNTHETIC: YES; SOURCE 18 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 19 ORGANISM_TAXID: 9606 KEYWDS NKX2.1, HOMEOBOX, TRANSCRIPTION FACTOR, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR M.Z.MALECKA,M.BOMMER,U.HEINEMANN REVDAT 1 20-MAY-26 9U18 0 JRNL AUTH F.LENIHAN-GEELS,S.PROFT,M.BOMMER,U.HEINEMANN,D.SEELOW, JRNL AUTH 2 R.OPITZ,H.KRUDE,M.SCHUELKE,M.MALECKA JRNL TITL QUANTIFICATION OF THE EFFECTS OF SINGLE NUCLEOTIDE VARIANTS JRNL TITL 2 IN NKX2.1 TRANSCRIPTION FACTOR BINDING SITES JRNL REF BIORXIV 2026 JRNL REFN ISSN 2692-8205 JRNL DOI 10.64898/2026.02.27.708450 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX ("2.0_5885": ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.72 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 45453 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2273 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 36.7200 - 3.7700 1.00 2842 150 0.1293 0.1487 REMARK 3 2 3.7700 - 3.0000 0.99 2739 145 0.1379 0.1796 REMARK 3 3 3.0000 - 2.6200 1.00 2746 144 0.1751 0.2441 REMARK 3 4 2.6200 - 2.3800 1.00 2759 146 0.1652 0.2150 REMARK 3 5 2.3800 - 2.2100 1.00 2706 142 0.1675 0.2231 REMARK 3 6 2.2100 - 2.0800 1.00 2726 144 0.1660 0.2149 REMARK 3 7 2.0800 - 1.9700 1.00 2710 142 0.1652 0.2138 REMARK 3 8 1.9700 - 1.8900 0.99 2699 142 0.1558 0.2253 REMARK 3 9 1.8900 - 1.8200 0.99 2723 144 0.1663 0.2360 REMARK 3 10 1.8200 - 1.7500 0.99 2651 139 0.1658 0.2524 REMARK 3 11 1.7500 - 1.7000 0.99 2677 141 0.1524 0.1942 REMARK 3 12 1.7000 - 1.6500 0.97 2642 138 0.1555 0.2227 REMARK 3 13 1.6500 - 1.6100 0.97 2656 140 0.1565 0.2239 REMARK 3 14 1.6100 - 1.5700 0.99 2682 141 0.1847 0.2811 REMARK 3 15 1.5700 - 1.5300 0.97 2625 138 0.2472 0.2994 REMARK 3 16 1.5300 - 1.5000 0.96 2597 137 0.3035 0.3832 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.200 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.160 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.009 2301 REMARK 3 ANGLE : 1.040 3325 REMARK 3 CHIRALITY : 0.067 350 REMARK 3 PLANARITY : 0.012 251 REMARK 3 DIHEDRAL : 26.173 1042 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9U18 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 09-APR-26. REMARK 100 THE DEPOSITION ID IS D_1292153923. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUL-17 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 : PETRA III, EMBL C/O DESY REMARK 200 BEAMLINE : P13 (MX1) REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.987 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69003 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 36.730 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.7900 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) : 1.38 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 1.27000 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SUCCINATE PH 5.5, 20% P4000, 0.2M REMARK 280 NACL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 57.53000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.53450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 57.53000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 19.53450 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2640 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7240 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7680 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, F 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 DA A 1 REMARK 465 GLY C 160 REMARK 465 ARG C 161 REMARK 465 ARG C 162 REMARK 465 LYS C 163 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 DC A 4 P OP1 OP2 O5' C5' C4' O4' REMARK 480 DC A 4 C3' O3' C2' C1' N1 C2 O2 REMARK 480 DC A 4 N3 C4 N4 C5 C6 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 DA B 2 O3' DA B 2 C3' -0.071 REMARK 500 DC B 4 O3' DC B 4 C3' -0.052 REMARK 500 DA E 2 O3' DA E 2 C3' -0.056 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 DT A 3 O4' - C1' - N1 ANGL. DEV. = -4.6 DEGREES REMARK 500 DA B 2 O4' - C1' - N9 ANGL. DEV. = 2.9 DEGREES REMARK 500 DA B 3 C3' - O3' - P ANGL. DEV. = 7.8 DEGREES REMARK 500 DC B 6 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DC E 6 O4' - C1' - N1 ANGL. DEV. = 2.1 DEGREES 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 144 DISTANCE = 6.40 ANGSTROMS REMARK 525 HOH A 145 DISTANCE = 8.02 ANGSTROMS REMARK 525 HOH C 389 DISTANCE = 5.93 ANGSTROMS REMARK 525 HOH D 156 DISTANCE = 6.42 ANGSTROMS DBREF 9U18 A 1 12 PDB 9U18 9U18 1 12 DBREF 9U18 B 1 11 PDB 9U18 9U18 1 11 DBREF 9U18 C 161 219 UNP P43699 NKX21_HUMAN 161 219 DBREF 9U18 D 1 12 PDB 9U18 9U18 1 12 DBREF 9U18 E 1 12 PDB 9U18 9U18 1 12 DBREF 9U18 F 161 219 UNP P43699 NKX21_HUMAN 161 219 SEQADV 9U18 GLY C 160 UNP P43699 EXPRESSION TAG SEQADV 9U18 GLY F 160 UNP P43699 EXPRESSION TAG SEQRES 1 A 12 DA DG DT DC DA DA DG DT DG DT DT DC SEQRES 1 B 11 DG DA DA DC DA DC DT DT DG DA DC SEQRES 1 C 60 GLY ARG ARG LYS ARG ARG VAL LEU PHE SER GLN ALA GLN SEQRES 2 C 60 VAL TYR GLU LEU GLU ARG ARG PHE LYS GLN GLN LYS TYR SEQRES 3 C 60 LEU SER ALA PRO GLU ARG GLU HIS LEU ALA SER MET ILE SEQRES 4 C 60 HIS LEU THR PRO THR GLN VAL LYS ILE TRP PHE GLN ASN SEQRES 5 C 60 HIS ARG TYR LYS MET LYS ARG GLN SEQRES 1 D 12 DA DG DT DC DA DA DG DT DG DT DT DC SEQRES 1 E 12 DG DA DA DC DA DC DT DT DG DA DT DT SEQRES 1 F 60 GLY ARG ARG LYS ARG ARG VAL LEU PHE SER GLN ALA GLN SEQRES 2 F 60 VAL TYR GLU LEU GLU ARG ARG PHE LYS GLN GLN LYS TYR SEQRES 3 F 60 LEU SER ALA PRO GLU ARG GLU HIS LEU ALA SER MET ILE SEQRES 4 F 60 HIS LEU THR PRO THR GLN VAL LYS ILE TRP PHE GLN ASN SEQRES 5 F 60 HIS ARG TYR LYS MET LYS ARG GLN FORMUL 7 HOH *349(H2 O) HELIX 1 AA1 SER C 169 GLN C 183 1 15 HELIX 2 AA2 SER C 187 HIS C 199 1 13 HELIX 3 AA3 THR C 201 GLN C 219 1 19 HELIX 4 AA4 SER F 169 GLN F 183 1 15 HELIX 5 AA5 SER F 187 HIS F 199 1 13 HELIX 6 AA6 THR F 201 GLN F 219 1 19 CRYST1 115.060 39.069 68.418 90.00 110.90 90.00 C 1 2 1 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 0.008691 0.000000 0.003319 0.00000 SCALE2 0.000000 0.025596 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015646 0.00000 MASTER 301 0 0 6 0 0 0 6 2316 6 0 14 END