HEADER DNA BINDING PROTEIN/DNA 03-MAR-20 6M3D TITLE X-RAY CRYSTAL STRUCTURE OF TANDEMLY CONNECTED ENGRAILED HOMEODOMAINS TITLE 2 (EHD) WITH R53A MUTATIONS AND DNA COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*TP*AP*AP*TP*CP*CP*TP*AP*AP*TP*CP*C)-3'); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: DNA (5'-D(*GP*GP*AP*TP*TP*AP*GP*GP*AP*TP*TP*A)-3'); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: SEGMENTATION POLARITY HOMEOBOX PROTEIN ENGRAILED, COMPND 11 SEGMENTATION POLARITY HOMEOBOX PROTEIN ENGRAILED; COMPND 12 CHAIN: C; COMPND 13 ENGINEERED: YES; COMPND 14 MUTATION: YES; COMPND 15 OTHER_DETAILS: THE FUSION PROTEIN OF EHD (UNP RESIDUES 453-512), COMPND 16 LINKERS GGGGG, EHD (UNP RESIDUES 453-512) SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 8 ORGANISM_TAXID: 32630; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 11 ORGANISM_COMMON: FRUIT FLY; SOURCE 12 ORGANISM_TAXID: 7227; SOURCE 13 GENE: EN, CG9015; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 511693 KEYWDS HOMEODOMAIN FOLD, PROTEIN-DNA COMPLEX, GENOME EDITING, DNA BINDING KEYWDS 2 PROTEIN-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.SUNAMI,Y.HIRANO,T.TAMADA,H.KONO REVDAT 2 29-NOV-23 6M3D 1 REMARK REVDAT 1 16-SEP-20 6M3D 0 JRNL AUTH T.SUNAMI,Y.HIRANO,T.TAMADA,H.KONO JRNL TITL STRUCTURAL BASIS FOR DESIGNING AN ARRAY OF ENGRAILED JRNL TITL 2 HOMEODOMAINS. JRNL REF ACTA CRYSTALLOGR D STRUCT V. 76 824 2020 JRNL REF 2 BIOL JRNL REFN ISSN 2059-7983 JRNL PMID 32876058 JRNL DOI 10.1107/S2059798320009237 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1_2155 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.17 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.409 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 24342 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.191 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.946 REMARK 3 FREE R VALUE TEST SET COUNT : 1204 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 38.1700 - 3.3275 1.00 2617 148 0.1613 0.1931 REMARK 3 2 3.3275 - 2.6413 0.99 2598 116 0.1966 0.2818 REMARK 3 3 2.6413 - 2.3075 1.00 2601 116 0.2091 0.2655 REMARK 3 4 2.3075 - 2.0965 1.00 2576 124 0.1980 0.2159 REMARK 3 5 2.0965 - 1.9463 1.00 2567 147 0.2105 0.2442 REMARK 3 6 1.9463 - 1.8315 1.00 2561 126 0.2174 0.3391 REMARK 3 7 1.8315 - 1.7398 1.00 2533 160 0.2075 0.2287 REMARK 3 8 1.7398 - 1.6641 0.99 2548 129 0.2057 0.2956 REMARK 3 9 1.6641 - 1.6000 0.99 2537 138 0.2147 0.2609 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.174 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.601 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.16 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.50 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 : 0.007 2150 REMARK 3 ANGLE : 1.005 3100 REMARK 3 CHIRALITY : 0.047 335 REMARK 3 PLANARITY : 0.006 237 REMARK 3 DIHEDRAL : 26.910 1167 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 6M3D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-MAR-20. REMARK 100 THE DEPOSITION ID IS D_1300015997. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-JUN-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-17A 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 : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24423 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 38.170 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.02500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.25200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 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: 2HDD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8% (W/V) PEG 4000, 0.1 M SODIUM REMARK 280 ACETATE, PH 5.5, VAPOR DIFFUSION, HANGING DROP, 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 30.71850 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3150 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 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 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 MET C 1 REMARK 465 GLY C 2 REMARK 465 SER C 3 REMARK 465 SER C 4 REMARK 465 HIS C 5 REMARK 465 HIS C 6 REMARK 465 HIS C 7 REMARK 465 HIS C 8 REMARK 465 HIS C 9 REMARK 465 HIS C 10 REMARK 465 ALA C 11 REMARK 465 ILE C 12 REMARK 465 GLU C 13 REMARK 465 ASP C 14 REMARK 465 LEU C 15 REMARK 465 TYR C 16 REMARK 465 PHE C 17 REMARK 465 GLN C 18 REMARK 465 SER C 19 REMARK 465 PRO C 20 REMARK 465 GLY C 21 REMARK 465 ASP C 22 REMARK 465 GLU C 23 REMARK 465 LYS C 24 REMARK 465 ARG C 25 REMARK 465 PRO C 26 REMARK 465 LYS C 77 REMARK 465 ILE C 78 REMARK 465 LYS C 79 REMARK 465 LYS C 80 REMARK 465 SER C 81 REMARK 465 GLY C 82 REMARK 465 GLY C 83 REMARK 465 GLY C 84 REMARK 465 GLY C 85 REMARK 465 GLY C 86 REMARK 465 ASP C 87 REMARK 465 GLU C 88 REMARK 465 LYS C 89 REMARK 465 THR C 148 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 12 O4' - C1' - N1 ANGL. DEV. = 1.8 DEGREES REMARK 500 DG B 7 C3' - C2' - C1' ANGL. DEV. = -5.6 DEGREES REMARK 500 DG B 7 O4' - C1' - N9 ANGL. DEV. = 3.6 DEGREES REMARK 500 DG B 8 O4' - C1' - N9 ANGL. DEV. = 4.3 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 ASN C 45 114.82 -163.58 REMARK 500 ASN C 110 116.48 -166.30 REMARK 500 SER C 146 -82.39 -79.67 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 NA A 101 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA A 8 OP2 REMARK 620 2 DA A 8 OP2 1.5 REMARK 620 3 HOH A 213 O 128.2 127.0 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 101 DBREF 6M3D A 1 12 PDB 6M3D 6M3D 1 12 DBREF 6M3D B 1 12 PDB 6M3D 6M3D 1 12 DBREF 6M3D C 22 81 UNP P02836 HMEN_DROME 453 512 DBREF 6M3D C 87 146 UNP P02836 HMEN_DROME 453 512 SEQADV 6M3D MET C 1 UNP P02836 INITIATING METHIONINE SEQADV 6M3D GLY C 2 UNP P02836 EXPRESSION TAG SEQADV 6M3D SER C 3 UNP P02836 EXPRESSION TAG SEQADV 6M3D SER C 4 UNP P02836 EXPRESSION TAG SEQADV 6M3D HIS C 5 UNP P02836 EXPRESSION TAG SEQADV 6M3D HIS C 6 UNP P02836 EXPRESSION TAG SEQADV 6M3D HIS C 7 UNP P02836 EXPRESSION TAG SEQADV 6M3D HIS C 8 UNP P02836 EXPRESSION TAG SEQADV 6M3D HIS C 9 UNP P02836 EXPRESSION TAG SEQADV 6M3D HIS C 10 UNP P02836 EXPRESSION TAG SEQADV 6M3D ALA C 11 UNP P02836 EXPRESSION TAG SEQADV 6M3D ILE C 12 UNP P02836 EXPRESSION TAG SEQADV 6M3D GLU C 13 UNP P02836 EXPRESSION TAG SEQADV 6M3D ASP C 14 UNP P02836 EXPRESSION TAG SEQADV 6M3D LEU C 15 UNP P02836 EXPRESSION TAG SEQADV 6M3D TYR C 16 UNP P02836 EXPRESSION TAG SEQADV 6M3D PHE C 17 UNP P02836 EXPRESSION TAG SEQADV 6M3D GLN C 18 UNP P02836 EXPRESSION TAG SEQADV 6M3D SER C 19 UNP P02836 EXPRESSION TAG SEQADV 6M3D PRO C 20 UNP P02836 EXPRESSION TAG SEQADV 6M3D GLY C 21 UNP P02836 EXPRESSION TAG SEQADV 6M3D LYS C 72 UNP P02836 GLN 503 ENGINEERED MUTATION SEQADV 6M3D ALA C 75 UNP P02836 ARG 506 ENGINEERED MUTATION SEQADV 6M3D GLY C 82 UNP P02836 LINKER SEQADV 6M3D GLY C 83 UNP P02836 LINKER SEQADV 6M3D GLY C 84 UNP P02836 LINKER SEQADV 6M3D GLY C 85 UNP P02836 LINKER SEQADV 6M3D GLY C 86 UNP P02836 LINKER SEQADV 6M3D LYS C 137 UNP P02836 GLN 503 ENGINEERED MUTATION SEQADV 6M3D ALA C 140 UNP P02836 ARG 506 ENGINEERED MUTATION SEQADV 6M3D GLY C 147 UNP P02836 EXPRESSION TAG SEQADV 6M3D THR C 148 UNP P02836 EXPRESSION TAG SEQRES 1 A 12 DT DA DA DT DC DC DT DA DA DT DC DC SEQRES 1 B 12 DG DG DA DT DT DA DG DG DA DT DT DA SEQRES 1 C 148 MET GLY SER SER HIS HIS HIS HIS HIS HIS ALA ILE GLU SEQRES 2 C 148 ASP LEU TYR PHE GLN SER PRO GLY ASP GLU LYS ARG PRO SEQRES 3 C 148 ARG THR ALA PHE SER SER GLU GLN LEU ALA ARG LEU LYS SEQRES 4 C 148 ARG GLU PHE ASN GLU ASN ARG TYR LEU THR GLU ARG ARG SEQRES 5 C 148 ARG GLN GLN LEU SER SER GLU LEU GLY LEU ASN GLU ALA SEQRES 6 C 148 GLN ILE LYS ILE TRP PHE LYS ASN LYS ALA ALA LYS ILE SEQRES 7 C 148 LYS LYS SER GLY GLY GLY GLY GLY ASP GLU LYS ARG PRO SEQRES 8 C 148 ARG THR ALA PHE SER SER GLU GLN LEU ALA ARG LEU LYS SEQRES 9 C 148 ARG GLU PHE ASN GLU ASN ARG TYR LEU THR GLU ARG ARG SEQRES 10 C 148 ARG GLN GLN LEU SER SER GLU LEU GLY LEU ASN GLU ALA SEQRES 11 C 148 GLN ILE LYS ILE TRP PHE LYS ASN LYS ALA ALA LYS ILE SEQRES 12 C 148 LYS LYS SER GLY THR HET NA A 101 1 HETNAM NA SODIUM ION FORMUL 4 NA NA 1+ FORMUL 5 HOH *207(H2 O) HELIX 1 AA1 SER C 31 ASN C 45 1 15 HELIX 2 AA2 THR C 49 GLY C 61 1 13 HELIX 3 AA3 ASN C 63 ALA C 76 1 14 HELIX 4 AA4 SER C 96 ASN C 110 1 15 HELIX 5 AA5 THR C 114 GLY C 126 1 13 HELIX 6 AA6 ASN C 128 GLY C 147 1 20 LINK OP2A DA A 8 NA NA A 101 1555 1555 2.78 LINK OP2B DA A 8 NA NA A 101 1555 1555 2.62 LINK NA NA A 101 O HOH A 213 1555 1555 2.87 SITE 1 AC1 4 DA A 8 HOH A 213 TRP C 135 ASN C 138 CRYST1 39.798 61.437 39.976 90.00 106.45 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 0.025127 0.000000 0.007418 0.00000 SCALE2 0.000000 0.016277 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026082 0.00000