HEADER HYDROLASE/DNA 13-APR-18 5ZOE TITLE CRYSTAL STRUCTURE OF D181A HFEN1 IN COMPLEX WITH DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: FLAP ENDONUCLEASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NUCLEASE CORE (1-333); COMPND 5 SYNONYM: FEN-1,DNASE IV,FLAP STRUCTURE-SPECIFIC ENDONUCLEASE 1, COMPND 6 MATURATION FACTOR 1,HFEN-1; COMPND 7 EC: 3.1.-.-; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES; COMPND 10 MOL_ID: 2; COMPND 11 MOLECULE: DNA (5'- COMPND 12 D(*CP*CP*TP*CP*TP*GP*CP*CP*TP*CP*AP*AP*GP*AP*CP*GP*GP*G)-3'); COMPND 13 CHAIN: B; COMPND 14 ENGINEERED: YES; COMPND 15 MOL_ID: 3; COMPND 16 MOLECULE: DNA (5'-D(*GP*CP*CP*CP*GP*TP*CP*C)-3'); COMPND 17 CHAIN: C; COMPND 18 ENGINEERED: YES; COMPND 19 MOL_ID: 4; COMPND 20 MOLECULE: DNA (5'-D(*AP*CP*TP*TP*TP*GP*AP*GP*GP*CP*AP*GP*AP*G)-3'); COMPND 21 CHAIN: D; COMPND 22 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: FEN1, RAD2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28B; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630; SOURCE 15 MOL_ID: 3; SOURCE 16 SYNTHETIC: YES; SOURCE 17 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 18 ORGANISM_TAXID: 32630; SOURCE 19 MOL_ID: 4; SOURCE 20 SYNTHETIC: YES; SOURCE 21 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 22 ORGANISM_TAXID: 32630 KEYWDS FLAP ENDONUCLEASE: GAP ENDONUCLEASE: METHYLATION: POSTTRANSLATIONAL KEYWDS 2 MODIFICATION, DNA BINDING PROTEIN, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR W.HAN,Y.HUA,Y.ZHAO REVDAT 2 22-NOV-23 5ZOE 1 LINK REVDAT 1 30-JAN-19 5ZOE 0 JRNL AUTH H.XU,R.SHI,W.HAN,J.CHENG,X.XU,K.CHENG,L.WANG,B.TIAN,L.ZHENG, JRNL AUTH 2 B.SHEN,Y.HUA,Y.ZHAO JRNL TITL STRUCTURAL BASIS OF 5' FLAP RECOGNITION AND PROTEIN-PROTEIN JRNL TITL 2 INTERACTIONS OF HUMAN FLAP ENDONUCLEASE 1. JRNL REF NUCLEIC ACIDS RES. V. 46 11315 2018 JRNL REFN ESSN 1362-4962 JRNL PMID 30295841 JRNL DOI 10.1093/NAR/GKY911 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.84 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 33589 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.216 REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.030 REMARK 3 FREE R VALUE TEST SET COUNT : 1691 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 24.8384 - 4.4774 0.90 2606 135 0.1871 0.2073 REMARK 3 2 4.4774 - 3.5572 0.99 2758 144 0.1812 0.1780 REMARK 3 3 3.5572 - 3.1085 1.00 2720 153 0.2093 0.2169 REMARK 3 4 3.1085 - 2.8247 1.00 2675 155 0.2431 0.2550 REMARK 3 5 2.8247 - 2.6225 1.00 2742 130 0.2475 0.2384 REMARK 3 6 2.6225 - 2.4680 1.00 2684 141 0.2454 0.2709 REMARK 3 7 2.4680 - 2.3445 1.00 2667 153 0.2516 0.2770 REMARK 3 8 2.3445 - 2.2425 1.00 2667 153 0.2484 0.2770 REMARK 3 9 2.2425 - 2.1563 1.00 2682 136 0.2364 0.2722 REMARK 3 10 2.1563 - 2.0819 1.00 2651 137 0.2499 0.2381 REMARK 3 11 2.0819 - 2.0168 1.00 2676 132 0.2644 0.3207 REMARK 3 12 2.0168 - 1.9592 0.89 2370 122 0.2862 0.3148 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.860 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.92 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 47.51 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 5ZOE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-APR-18. REMARK 100 THE DEPOSITION ID IS D_1300007360. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-DEC-16 REMARK 200 TEMPERATURE (KELVIN) : 95 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33596 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 24.836 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 4.608 REMARK 200 R MERGE (I) : 0.03300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.7300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.96 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.11 REMARK 200 R MERGE FOR SHELL (I) : 0.37000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.860 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: 3Q8K REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, MGCL2, TRIS, KCL, PH 7.8, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K 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 24.03500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 51.51000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.91500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 51.51000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.03500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.91500 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4850 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19420 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 A 1 REMARK 465 PRO A 89 REMARK 465 PRO A 90 REMARK 465 GLN A 91 REMARK 465 LEU A 92 REMARK 465 LYS A 93 REMARK 465 SER A 94 REMARK 465 GLY A 95 REMARK 465 GLU A 96 REMARK 465 LEU A 97 REMARK 465 ALA A 98 REMARK 465 LYS A 99 REMARK 465 ARG A 100 REMARK 465 SER A 101 REMARK 465 GLU A 102 REMARK 465 ARG A 103 REMARK 465 ARG A 104 REMARK 465 ALA A 105 REMARK 465 GLU A 106 REMARK 465 ALA A 107 REMARK 465 GLU A 108 REMARK 465 LYS A 109 REMARK 465 GLN A 110 REMARK 465 LEU A 111 REMARK 465 GLN A 112 REMARK 465 GLN A 113 REMARK 465 ALA A 114 REMARK 465 GLN A 115 REMARK 465 ALA A 116 REMARK 465 ALA A 117 REMARK 465 GLY A 118 REMARK 465 ALA A 119 REMARK 465 GLU A 120 REMARK 465 GLN A 121 REMARK 465 GLU A 122 REMARK 465 VAL A 123 REMARK 465 GLU A 124 REMARK 465 LYS A 125 REMARK 465 PHE A 126 REMARK 465 THR A 127 REMARK 465 LYS A 128 REMARK 465 ARG A 129 REMARK 465 LEU A 130 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 88 CG CD CE NZ REMARK 470 DG C 1 O5' REMARK 470 DA D 1 O5' 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 SER A 157 -112.93 -129.24 REMARK 500 LYS A 254 -7.87 78.01 REMARK 500 LEU A 275 33.39 -88.37 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 K A 401 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 237 OG REMARK 620 2 ILE A 238 O 105.3 REMARK 620 3 ILE A 241 O 122.7 72.7 REMARK 620 4 DC B 4 OP1 153.2 85.3 83.7 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 K A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5UM9 RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH DNA DBREF 5ZOE A 1 333 UNP P39748 FEN1_HUMAN 1 333 DBREF 5ZOE B 1 18 PDB 5ZOE 5ZOE 1 18 DBREF 5ZOE C 1 8 PDB 5ZOE 5ZOE 1 8 DBREF 5ZOE D 1 14 PDB 5ZOE 5ZOE 1 14 SEQADV 5ZOE ALA A 181 UNP P39748 ASP 181 ENGINEERED MUTATION SEQRES 1 A 333 MET GLY ILE GLN GLY LEU ALA LYS LEU ILE ALA ASP VAL SEQRES 2 A 333 ALA PRO SER ALA ILE ARG GLU ASN ASP ILE LYS SER TYR SEQRES 3 A 333 PHE GLY ARG LYS VAL ALA ILE ASP ALA SER MET SER ILE SEQRES 4 A 333 TYR GLN PHE LEU ILE ALA VAL ARG GLN GLY GLY ASP VAL SEQRES 5 A 333 LEU GLN ASN GLU GLU GLY GLU THR THR SER HIS LEU MET SEQRES 6 A 333 GLY MET PHE TYR ARG THR ILE ARG MET MET GLU ASN GLY SEQRES 7 A 333 ILE LYS PRO VAL TYR VAL PHE ASP GLY LYS PRO PRO GLN SEQRES 8 A 333 LEU LYS SER GLY GLU LEU ALA LYS ARG SER GLU ARG ARG SEQRES 9 A 333 ALA GLU ALA GLU LYS GLN LEU GLN GLN ALA GLN ALA ALA SEQRES 10 A 333 GLY ALA GLU GLN GLU VAL GLU LYS PHE THR LYS ARG LEU SEQRES 11 A 333 VAL LYS VAL THR LYS GLN HIS ASN ASP GLU CYS LYS HIS SEQRES 12 A 333 LEU LEU SER LEU MET GLY ILE PRO TYR LEU ASP ALA PRO SEQRES 13 A 333 SER GLU ALA GLU ALA SER CYS ALA ALA LEU VAL LYS ALA SEQRES 14 A 333 GLY LYS VAL TYR ALA ALA ALA THR GLU ASP MET ALA CYS SEQRES 15 A 333 LEU THR PHE GLY SER PRO VAL LEU MET ARG HIS LEU THR SEQRES 16 A 333 ALA SER GLU ALA LYS LYS LEU PRO ILE GLN GLU PHE HIS SEQRES 17 A 333 LEU SER ARG ILE LEU GLN GLU LEU GLY LEU ASN GLN GLU SEQRES 18 A 333 GLN PHE VAL ASP LEU CYS ILE LEU LEU GLY SER ASP TYR SEQRES 19 A 333 CYS GLU SER ILE ARG GLY ILE GLY PRO LYS ARG ALA VAL SEQRES 20 A 333 ASP LEU ILE GLN LYS HIS LYS SER ILE GLU GLU ILE VAL SEQRES 21 A 333 ARG ARG LEU ASP PRO ASN LYS TYR PRO VAL PRO GLU ASN SEQRES 22 A 333 TRP LEU HIS LYS GLU ALA HIS GLN LEU PHE LEU GLU PRO SEQRES 23 A 333 GLU VAL LEU ASP PRO GLU SER VAL GLU LEU LYS TRP SER SEQRES 24 A 333 GLU PRO ASN GLU GLU GLU LEU ILE LYS PHE MET CYS GLY SEQRES 25 A 333 GLU LYS GLN PHE SER GLU GLU ARG ILE ARG SER GLY VAL SEQRES 26 A 333 LYS ARG LEU SER LYS SER ARG GLN SEQRES 1 B 18 DC DC DT DC DT DG DC DC DT DC DA DA DG SEQRES 2 B 18 DA DC DG DG DG SEQRES 1 C 8 DG DC DC DC DG DT DC DC SEQRES 1 D 14 DA DC DT DT DT DG DA DG DG DC DA DG DA SEQRES 2 D 14 DG HET K A 401 1 HETNAM K POTASSIUM ION FORMUL 5 K K 1+ FORMUL 6 HOH *175(H2 O) HELIX 1 AA1 GLY A 5 ALA A 14 1 10 HELIX 2 AA2 ASP A 22 PHE A 27 5 6 HELIX 3 AA3 ALA A 35 VAL A 46 1 12 HELIX 4 AA4 THR A 61 ASN A 77 1 17 HELIX 5 AA5 THR A 134 GLY A 149 1 16 HELIX 6 AA6 GLU A 158 ALA A 169 1 12 HELIX 7 AA7 MET A 180 PHE A 185 1 6 HELIX 8 AA8 SER A 197 LYS A 201 5 5 HELIX 9 AA9 LEU A 209 GLY A 217 1 9 HELIX 10 AB1 ASN A 219 GLY A 231 1 13 HELIX 11 AB2 GLY A 242 LYS A 254 1 13 HELIX 12 AB3 SER A 255 LEU A 263 1 9 HELIX 13 AB4 LEU A 275 GLU A 285 1 11 HELIX 14 AB5 ASN A 302 CYS A 311 1 10 HELIX 15 AB6 SER A 317 GLN A 333 1 17 SHEET 1 AA1 7 ILE A 18 GLU A 20 0 SHEET 2 AA1 7 GLN A 205 HIS A 208 -1 O GLU A 206 N ARG A 19 SHEET 3 AA1 7 VAL A 189 ARG A 192 -1 N LEU A 190 O PHE A 207 SHEET 4 AA1 7 ALA A 174 ALA A 176 1 N ALA A 175 O MET A 191 SHEET 5 AA1 7 LYS A 30 ASP A 34 1 N ALA A 32 O ALA A 176 SHEET 6 AA1 7 LYS A 80 PHE A 85 1 O VAL A 84 N ILE A 33 SHEET 7 AA1 7 TYR A 152 ASP A 154 1 O LEU A 153 N TYR A 83 SHEET 1 AA2 2 ARG A 47 GLN A 48 0 SHEET 2 AA2 2 ASP A 51 VAL A 52 -1 O ASP A 51 N GLN A 48 LINK OG SER A 237 K K A 401 1555 1555 2.85 LINK O ILE A 238 K K A 401 1555 1555 2.68 LINK O ILE A 241 K K A 401 1555 1555 3.05 LINK K K A 401 OP1 DC B 4 1555 1555 2.87 SITE 1 AC1 4 SER A 237 ILE A 238 ILE A 241 DC B 4 CRYST1 48.070 93.830 103.020 90.00 90.00 90.00 P 21 21 21 4 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 0.020803 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010658 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009707 0.00000