HEADER DNA BINDING PROTEIN 19-JUN-26 36NB TITLE CRYSTAL STRUCTURE OF THE NKX2-1 HOMEODOMAIN BOUND TO A PALINDROMIC DNA TITLE 2 RECOGNITION SEQUENCE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HOMEOBOX PROTEIN NKX-2.1; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: HOMEOBOX PROTEIN NK-2 HOMOLOG A,THYROID NUCLEAR FACTOR 1, COMPND 5 THYROID TRANSCRIPTION FACTOR 1,TTF-1,THYROID-SPECIFIC ENHANCER- COMPND 6 BINDING PROTEIN,T/EBP; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: DAN TCAAGTGGGCCCCACTTGA; COMPND 10 CHAIN: E, G; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: DNA TCAAGTGGGGCCCACTTGA; COMPND 14 CHAIN: F, H; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: NKX2-1, NKX2A, TITF1, TTF1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PMAL-C2; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 MOL_ID: 3; SOURCE 14 SYNTHETIC: YES; SOURCE 15 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 16 ORGANISM_TAXID: 9606 KEYWDS NKX2-1, HOMEODOMAIN, NK2 ELEMENT, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.J.NAM REVDAT 1 19-AUG-26 36NB 0 JRNL AUTH A.MOHANDAS,H.J.NAM JRNL TITL CRYSTAL STRUCTURE OF THE NKX2-1 HOMEODOMAIN BOUND TO A JRNL TITL 2 PALINDROMIC DNA RECOGNITION SEQUENCE. JRNL REF ACTA CRYSTALLOGR.,SECT.F 2026 JRNL REFN ESSN 2053-230X JRNL PMID 42565819 JRNL DOI 10.1107/S2053230X26007466 REMARK 2 REMARK 2 RESOLUTION. 3.26 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 2.1_6048 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.26 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.61 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 7628 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.225 REMARK 3 R VALUE (WORKING SET) : 0.222 REMARK 3 FREE R VALUE : 0.297 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.810 REMARK 3 FREE R VALUE TEST SET COUNT : 367 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 29.6100 - 4.7000 0.98 2429 115 0.1979 0.2638 REMARK 3 2 4.7000 - 3.7300 0.99 2412 125 0.2587 0.3370 REMARK 3 3 3.7300 - 3.2600 0.98 2420 127 0.2352 0.3248 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) : 0.282 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.994 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 79.52 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 84.10 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 : 0.010 3731 REMARK 3 ANGLE : 1.238 5340 REMARK 3 CHIRALITY : 0.062 570 REMARK 3 PLANARITY : 0.011 413 REMARK 3 DIHEDRAL : 27.706 1596 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 : 2 REMARK 3 NCS GROUP : ens_1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "A" and resid 166 through 217) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "B" and resid 166 through 217) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 3 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "C" and resid 166 through 217) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 4 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : chain "D" REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS GROUP : ens_2 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "E" and (resid 1 through 9 or REMARK 3 resid 11 through 19)) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "F" and (resid 1 through 9 or REMARK 3 resid 11 through 19)) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 3 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "G" and (resid 1 through 9 or REMARK 3 resid 11 through 19)) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 NCS OPERATOR : 4 REMARK 3 REFERENCE SELECTION: NULL REMARK 3 SELECTION : (chain "H" and (resid 1 through 9 or REMARK 3 resid 11 through 19)) REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 36NB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JUN-26. REMARK 100 THE DEPOSITION ID IS D_1000309165. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-SEP-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5-6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : X25 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) : 1.0809 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7628 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.260 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 (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.26 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.32 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: THIN PLATE-LIKE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM MES PH 5.6, 20% (W/V) PEG 8000, REMARK 280 0.1 M (NH4)2SO4 AND 0.01 M MGCL2, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K 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 59.21550 REMARK 290 SMTRY3 2 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, G, H 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 LYS B 163 REMARK 465 ARG B 164 REMARK 465 ALA B 220 REMARK 465 LYS B 221 REMARK 465 ASP B 222 REMARK 465 LYS C 163 REMARK 465 ARG C 164 REMARK 465 ALA C 220 REMARK 465 LYS C 221 REMARK 465 ASP C 222 REMARK 465 LYS D 163 REMARK 465 ARG D 164 REMARK 465 ARG D 165 REMARK 465 ARG D 218 REMARK 465 GLN D 219 REMARK 465 ALA D 220 REMARK 465 LYS D 221 REMARK 465 ASP D 222 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 E 13 O3' DC E 13 C3' -0.039 REMARK 500 DT G 17 O3' DT G 17 C3' -0.043 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 DG E 8 O4' - C1' - N9 ANGL. DEV. = 4.3 DEGREES REMARK 500 DC E 12 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DA F 3 O5' - P - OP2 ANGL. DEV. = -5.4 DEGREES REMARK 500 DA F 4 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DG F 10 O4' - C1' - N9 ANGL. DEV. = 3.1 DEGREES REMARK 500 DC F 11 O4' - C1' - N1 ANGL. DEV. = 2.3 DEGREES REMARK 500 DC F 12 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DA F 14 O5' - P - OP1 ANGL. DEV. = -5.4 DEGREES REMARK 500 DT F 16 O4' - C1' - N1 ANGL. DEV. = 2.7 DEGREES REMARK 500 DC G 2 O4' - C1' - N1 ANGL. DEV. = 1.9 DEGREES REMARK 500 DT G 6 O4' - C1' - N1 ANGL. DEV. = 2.4 DEGREES REMARK 500 DG G 7 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DG G 9 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DC G 15 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DG H 10 O4' - C1' - N9 ANGL. DEV. = 3.0 DEGREES REMARK 500 DC H 11 O4' - C1' - N1 ANGL. DEV. = 3.9 DEGREES REMARK 500 DC H 12 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DC H 15 O4' - C1' - N1 ANGL. DEV. = 2.7 DEGREES REMARK 500 DT H 16 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA H 19 O4' - C1' - N9 ANGL. DEV. = -4.5 DEGREES REMARK 500 REMARK 500 REMARK: NULL DBREF 36NB A 163 222 UNP P43699 NKX21_HUMAN 163 222 DBREF 36NB B 163 222 UNP P43699 NKX21_HUMAN 163 222 DBREF 36NB C 163 222 UNP P43699 NKX21_HUMAN 163 222 DBREF 36NB D 163 222 UNP P43699 NKX21_HUMAN 163 222 DBREF 36NB E 1 19 PDB 36NB 36NB 1 19 DBREF 36NB F 1 19 PDB 36NB 36NB 1 19 DBREF 36NB G 1 19 PDB 36NB 36NB 1 19 DBREF 36NB H 1 19 PDB 36NB 36NB 1 19 SEQRES 1 A 60 LYS ARG ARG VAL LEU PHE SER GLN ALA GLN VAL TYR GLU SEQRES 2 A 60 LEU GLU ARG ARG PHE LYS GLN GLN LYS TYR LEU SER ALA SEQRES 3 A 60 PRO GLU ARG GLU HIS LEU ALA SER MET ILE HIS LEU THR SEQRES 4 A 60 PRO THR GLN VAL LYS ILE TRP PHE GLN ASN HIS ARG TYR SEQRES 5 A 60 LYS MET LYS ARG GLN ALA LYS ASP SEQRES 1 B 60 LYS ARG ARG VAL LEU PHE SER GLN ALA GLN VAL TYR GLU SEQRES 2 B 60 LEU GLU ARG ARG PHE LYS GLN GLN LYS TYR LEU SER ALA SEQRES 3 B 60 PRO GLU ARG GLU HIS LEU ALA SER MET ILE HIS LEU THR SEQRES 4 B 60 PRO THR GLN VAL LYS ILE TRP PHE GLN ASN HIS ARG TYR SEQRES 5 B 60 LYS MET LYS ARG GLN ALA LYS ASP SEQRES 1 C 60 LYS ARG ARG VAL LEU PHE SER GLN ALA GLN VAL TYR GLU SEQRES 2 C 60 LEU GLU ARG ARG PHE LYS GLN GLN LYS TYR LEU SER ALA SEQRES 3 C 60 PRO GLU ARG GLU HIS LEU ALA SER MET ILE HIS LEU THR SEQRES 4 C 60 PRO THR GLN VAL LYS ILE TRP PHE GLN ASN HIS ARG TYR SEQRES 5 C 60 LYS MET LYS ARG GLN ALA LYS ASP SEQRES 1 D 60 LYS ARG ARG VAL LEU PHE SER GLN ALA GLN VAL TYR GLU SEQRES 2 D 60 LEU GLU ARG ARG PHE LYS GLN GLN LYS TYR LEU SER ALA SEQRES 3 D 60 PRO GLU ARG GLU HIS LEU ALA SER MET ILE HIS LEU THR SEQRES 4 D 60 PRO THR GLN VAL LYS ILE TRP PHE GLN ASN HIS ARG TYR SEQRES 5 D 60 LYS MET LYS ARG GLN ALA LYS ASP SEQRES 1 E 19 DT DC DA DA DG DT DG DG DG DC DC DC DC SEQRES 2 E 19 DA DC DT DT DG DA SEQRES 1 F 19 DT DC DA DA DG DT DG DG DG DG DC DC DC SEQRES 2 F 19 DA DC DT DT DG DA SEQRES 1 G 19 DT DC DA DA DG DT DG DG DG DC DC DC DC SEQRES 2 G 19 DA DC DT DT DG DA SEQRES 1 H 19 DT DC DA DA DG DT DG DG DG DG DC DC DC SEQRES 2 H 19 DA DC DT DT DG DA FORMUL 9 HOH *(H2 O) HELIX 1 AA1 SER A 169 GLN A 183 1 15 HELIX 2 AA2 SER A 187 HIS A 199 1 13 HELIX 3 AA3 THR A 201 ALA A 220 1 20 HELIX 4 AA4 SER B 169 GLN B 183 1 15 HELIX 5 AA5 SER B 187 HIS B 199 1 13 HELIX 6 AA6 THR B 201 ARG B 218 1 18 HELIX 7 AA7 SER C 169 GLN C 183 1 15 HELIX 8 AA8 SER C 187 HIS C 199 1 13 HELIX 9 AA9 THR C 201 ARG C 218 1 18 HELIX 10 AB1 SER D 169 GLN D 183 1 15 HELIX 11 AB2 SER D 187 HIS D 199 1 13 HELIX 12 AB3 THR D 201 LYS D 217 1 17 CRYST1 37.361 118.431 57.360 90.00 98.75 90.00 P 1 21 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 0.026766 0.000000 0.004120 0.00000 SCALE2 0.000000 0.008444 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017639 0.00000 MTRIX1 1 0.592233 0.566368 -0.573138 3.37868 1 MTRIX2 1 0.561488 -0.800239 -0.210592 39.12862 1 MTRIX3 1 -0.577920 -0.197091 -0.791937 42.31968 1 MTRIX1 2 -0.337025 -0.044463 -0.940445 29.63760 1 MTRIX2 2 -0.484350 0.864753 0.132691 35.99486 1 MTRIX3 2 0.807353 0.500225 -0.312979 65.92714 1 MTRIX1 3 0.473953 -0.062763 0.878311 -10.52128 1 MTRIX2 3 -0.168639 -0.985463 0.020581 71.73641 1 MTRIX3 3 0.864251 -0.157872 -0.477647 81.78232 1 MTRIX1 4 0.557556 0.631966 -0.538284 -0.19814 1 MTRIX2 4 0.637503 -0.741285 -0.209970 37.85197 1 MTRIX3 4 -0.531715 -0.226087 -0.816188 44.26111 1 MTRIX1 5 0.386001 -0.045877 0.921357 -12.72820 1 MTRIX2 5 0.019929 -0.998115 -0.058048 75.25641 1 MTRIX3 5 0.922283 0.040768 -0.384359 72.92791 1 MTRIX1 6 -0.335650 0.062474 -0.939913 26.15020 1 MTRIX2 6 -0.611747 0.744297 0.267932 34.90358 1 MTRIX3 6 0.716314 0.664920 -0.211605 57.22970 1 MASTER 318 0 0 12 0 0 0 24 3498 8 0 28 END