HEADER HYDROLASE 01-DEC-20 7B3R TITLE OXA-10 BETA-LACTAMASE WITH S64DHA MODIFICATION AND LYSINOALANINE TITLE 2 CROSSLINK COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE OXA-10; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-LACTAMASE PSE-2; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BETA-LACTAMASE OXA-10; COMPND 9 CHAIN: B; COMPND 10 SYNONYM: BETA-LACTAMASE PSE-2; COMPND 11 EC: 3.5.2.6; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA; SOURCE 3 ORGANISM_TAXID: 287; SOURCE 4 GENE: BLA, OXA10, PSE2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA; SOURCE 9 ORGANISM_TAXID: 287; SOURCE 10 GENE: BLA, OXA10, PSE2; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BETA LACTAMASE, ANTIBIOTIC RESISTANCE, TAZOBACTAM, DEHYDROALANINE, KEYWDS 2 IRREVERSIBLE INHIBITION, COVALENT MODIFICATION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.A.LANG,J.BREM,C.J.SCHOFIELD REVDAT 3 31-JAN-24 7B3R 1 REMARK REVDAT 2 11-MAY-22 7B3R 1 JRNL REVDAT 1 12-JAN-22 7B3R 0 JRNL AUTH P.A.LANG,R.RAJ,A.TUMBER,C.T.LOHANS,P.RABE,C.V.ROBINSON, JRNL AUTH 2 J.BREM,C.J.SCHOFIELD JRNL TITL STUDIES ON ENMETAZOBACTAM CLARIFY MECHANISMS OF WIDELY USED JRNL TITL 2 BETA-LACTAMASE INHIBITORS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 119 10119 2022 JRNL REFN ESSN 1091-6490 JRNL PMID 35486701 JRNL DOI 10.1073/PNAS.2117310119 REMARK 2 REMARK 2 RESOLUTION. 1.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.15.2_3472 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) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 63.09 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 52545 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.171 REMARK 3 R VALUE (WORKING SET) : 0.170 REMARK 3 FREE R VALUE : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.870 REMARK 3 FREE R VALUE TEST SET COUNT : 2558 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 63.0900 - 4.7945 1.00 3007 146 0.1766 0.1918 REMARK 3 2 4.7945 - 3.8057 1.00 2844 165 0.1212 0.1316 REMARK 3 3 3.8057 - 3.3246 1.00 2839 126 0.1434 0.1728 REMARK 3 4 3.3246 - 3.0207 1.00 2815 138 0.1676 0.1739 REMARK 3 5 3.0207 - 2.8042 1.00 2798 139 0.1734 0.1882 REMARK 3 6 2.8042 - 2.6388 1.00 2783 131 0.1719 0.2162 REMARK 3 7 2.6388 - 2.5067 1.00 2778 142 0.1698 0.2069 REMARK 3 8 2.5067 - 2.3975 1.00 2745 167 0.1685 0.1939 REMARK 3 9 2.3975 - 2.3052 1.00 2771 132 0.1719 0.2005 REMARK 3 10 2.3052 - 2.2257 1.00 2784 116 0.1740 0.2339 REMARK 3 11 2.2257 - 2.1561 1.00 2745 165 0.1795 0.2002 REMARK 3 12 2.1561 - 2.0945 1.00 2710 153 0.1889 0.1958 REMARK 3 13 2.0945 - 2.0393 1.00 2741 150 0.1967 0.2363 REMARK 3 14 2.0393 - 1.9896 0.99 2713 149 0.1967 0.2142 REMARK 3 15 1.9896 - 1.9443 1.00 2707 146 0.2232 0.2723 REMARK 3 16 1.9443 - 1.9029 0.99 2750 153 0.2398 0.2461 REMARK 3 17 1.9029 - 1.8649 1.00 2752 111 0.2507 0.2940 REMARK 3 18 1.8649 - 1.8300 0.98 2705 129 0.2549 0.2367 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) : 0.130 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.750 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.71 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 7B3R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-DEC-20. REMARK 100 THE DEPOSITION ID IS D_1292112592. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-FEB-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I24 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.96861 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52627 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.830 REMARK 200 RESOLUTION RANGE LOW (A) : 63.093 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : 0.18200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.83 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 13.10 REMARK 200 R MERGE FOR SHELL (I) : 1.53900 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 2.8.3 REMARK 200 STARTING MODEL: 1K55 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM NITRATE, 0.1 M BIS-TRIS REMARK 280 PROPANE PH 6.5, 20% (W/V) PEG 3350, VAPOR DIFFUSION, SITTING REMARK 280 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 24.30500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 63.09300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.72850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 63.09300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.30500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.72850 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 KCAL/MOL 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 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 19 REMARK 465 GLY A 20 REMARK 465 GLY B 265 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 GLU A 24 CD OE1 OE2 REMARK 470 LYS A 30 CG CD CE NZ REMARK 470 LYS A 49 CG CD CE NZ REMARK 470 SER A 50 OG REMARK 470 LYS A 84 NZ REMARK 470 LYS A 91 CD CE NZ REMARK 470 LYS A 138 CE NZ REMARK 470 LYS A 177 CE NZ REMARK 470 GLU A 190 CD OE1 OE2 REMARK 470 GLU A 199 CG CD OE1 OE2 REMARK 470 GLU A 214 CG CD OE1 OE2 REMARK 470 SER A 215 OG REMARK 470 GLU A 229 CG CD OE1 OE2 REMARK 470 LYS A 246 CE NZ REMARK 470 LYS A 251 NZ REMARK 470 MET B 19 CG SD CE REMARK 470 LYS B 30 CE NZ REMARK 470 LYS B 49 CG CD CE NZ REMARK 470 LYS B 61 CD CE NZ REMARK 470 LYS B 84 CG CD CE NZ REMARK 470 LYS B 91 CG CD CE NZ REMARK 470 LYS B 95 CD CE NZ REMARK 470 MET B 99 CG SD CE REMARK 470 LYS B 100 CG CD CE NZ REMARK 470 GLN B 101 CG CD OE1 NE2 REMARK 470 GLU B 103 CG CD OE1 OE2 REMARK 470 ARG B 104 CZ NH1 NH2 REMARK 470 GLN B 113 CG CD OE1 NE2 REMARK 470 LYS B 137 CE NZ REMARK 470 LYS B 138 NZ REMARK 470 LYS B 152 NZ REMARK 470 GLU B 156 CD OE1 OE2 REMARK 470 LYS B 177 CE NZ REMARK 470 GLU B 199 CG CD OE1 OE2 REMARK 470 GLU B 214 CG CD OE1 OE2 REMARK 470 SER B 215 OG REMARK 470 LYS B 246 NZ REMARK 470 LYS B 251 NZ 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 46 -48.12 74.71 REMARK 500 ALA A 66 -148.18 53.30 REMARK 500 ALA A 66 -140.59 53.30 REMARK 500 LYS A 152 13.55 -151.22 REMARK 500 GLU A 229 -128.61 55.51 REMARK 500 ALA B 66 -150.90 52.29 REMARK 500 ALA B 66 -134.48 52.29 REMARK 500 PHE B 69 0.37 -69.22 REMARK 500 ASN B 85 -174.53 -176.61 REMARK 500 PHE B 208 114.14 -160.84 REMARK 500 GLU B 229 -132.69 57.17 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 301 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 569 O REMARK 620 2 HOH A 595 O 89.0 REMARK 620 N 1 DBREF 7B3R A 20 265 UNP P14489 BLO10_PSEAI 20 265 DBREF 7B3R B 20 265 UNP P14489 BLO10_PSEAI 20 265 SEQADV 7B3R MET A 19 UNP P14489 INITIATING METHIONINE SEQADV 7B3R MET B 19 UNP P14489 INITIATING METHIONINE SEQRES 1 A 247 MET GLY SER ILE THR GLU ASN THR SER TRP ASN LYS GLU SEQRES 2 A 247 PHE SER ALA GLU ALA VAL ASN GLY VAL PHE VAL LEU CYS SEQRES 3 A 247 LYS SER SER SER LYS SER CYS ALA THR ASN ASP LEU ALA SEQRES 4 A 247 ARG ALA SER LYS GLU TYR LEU PRO ALA DHA THR PHE KCX SEQRES 5 A 247 ILE PRO ASN ALA ILE ILE GLY LEU GLU THR GLY VAL ILE SEQRES 6 A 247 LYS ASN GLU HIS GLN VAL PHE LYS TRP ASP GLY LYS PRO SEQRES 7 A 247 ARG ALA MET LYS GLN TRP GLU ARG ASP LEU THR LEU ARG SEQRES 8 A 247 GLY ALA ILE GLN VAL SER ALA VAL PRO VAL PHE GLN GLN SEQRES 9 A 247 ILE ALA ARG GLU VAL GLY GLU VAL ARG MET GLN LYS TYR SEQRES 10 A 247 LEU LYS LYS PHE SER TYR GLY ASN GLN ASN ILE SER GLY SEQRES 11 A 247 GLY ILE ASP LYS PHE TRP LEU GLU GLY GLN LEU ARG ILE SEQRES 12 A 247 SER ALA VAL ASN GLN VAL GLU PHE LEU GLU SER LEU TYR SEQRES 13 A 247 LEU ASN LYS LEU SER ALA SER LYS GLU ASN GLN LEU ILE SEQRES 14 A 247 VAL LYS GLU ALA LEU VAL THR GLU ALA ALA PRO GLU TYR SEQRES 15 A 247 LEU VAL HIS SER LYS THR GLY PHE SER GLY VAL GLY THR SEQRES 16 A 247 GLU SER ASN PRO GLY VAL ALA TRP TRP VAL GLY TRP VAL SEQRES 17 A 247 GLU LYS GLU THR GLU VAL TYR PHE PHE ALA PHE ASN MET SEQRES 18 A 247 ASP ILE ASP ASN GLU SER LYS LEU PRO LEU ARG LYS SER SEQRES 19 A 247 ILE PRO THR LYS ILE MET GLU SER GLU GLY ILE ILE GLY SEQRES 1 B 247 MET GLY SER ILE THR GLU ASN THR SER TRP ASN LYS GLU SEQRES 2 B 247 PHE SER ALA GLU ALA VAL ASN GLY VAL PHE VAL LEU CYS SEQRES 3 B 247 LYS SER SER SER LYS SER CYS ALA THR ASN ASP LEU ALA SEQRES 4 B 247 ARG ALA SER LYS GLU TYR LEU PRO ALA DHA THR PHE LYS SEQRES 5 B 247 ILE PRO ASN ALA ILE ILE GLY LEU GLU THR GLY VAL ILE SEQRES 6 B 247 LYS ASN GLU HIS GLN VAL PHE LYS TRP ASP GLY LYS PRO SEQRES 7 B 247 ARG ALA MET LYS GLN TRP GLU ARG ASP LEU THR LEU ARG SEQRES 8 B 247 GLY ALA ILE GLN VAL SER ALA VAL PRO VAL PHE GLN GLN SEQRES 9 B 247 ILE ALA ARG GLU VAL GLY GLU VAL ARG MET GLN LYS TYR SEQRES 10 B 247 LEU LYS LYS PHE SER TYR GLY ASN GLN ASN ILE SER GLY SEQRES 11 B 247 GLY ILE ASP LYS PHE TRP LEU GLU GLY GLN LEU ARG ILE SEQRES 12 B 247 SER ALA VAL ASN GLN VAL GLU PHE LEU GLU SER LEU TYR SEQRES 13 B 247 LEU ASN LYS LEU SER ALA SER LYS GLU ASN GLN LEU ILE SEQRES 14 B 247 VAL LYS GLU ALA LEU VAL THR GLU ALA ALA PRO GLU TYR SEQRES 15 B 247 LEU VAL HIS SER LYS THR GLY PHE SER GLY VAL GLY THR SEQRES 16 B 247 GLU SER ASN PRO GLY VAL ALA TRP TRP VAL GLY TRP VAL SEQRES 17 B 247 GLU LYS GLU THR GLU VAL TYR PHE PHE ALA PHE ASN MET SEQRES 18 B 247 ASP ILE ASP ASN GLU SER LYS LEU PRO LEU ARG LYS SER SEQRES 19 B 247 ILE PRO THR LYS ILE MET GLU SER GLU GLY ILE ILE GLY MODRES 7B3R DHA A 67 SER MODIFIED RESIDUE MODRES 7B3R KCX A 70 LYS MODIFIED RESIDUE MODRES 7B3R DHA B 67 SER MODIFIED RESIDUE HET DHA A 67 5 HET KCX A 70 21 HET DHA B 67 5 HET NA A 301 1 HETNAM DHA 2-AMINO-ACRYLIC ACID HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM NA SODIUM ION HETSYN DHA 2,3-DIDEHYDROALANINE FORMUL 1 DHA 2(C3 H5 N O2) FORMUL 1 KCX C7 H14 N2 O4 FORMUL 3 NA NA 1+ FORMUL 4 HOH *388(H2 O) HELIX 1 AA1 TRP A 28 ALA A 34 1 7 HELIX 2 AA2 ASP A 55 SER A 60 1 6 HELIX 3 AA3 PRO A 65 THR A 68 5 4 HELIX 4 AA4 PHE A 69 THR A 80 1 12 HELIX 5 AA5 MET A 99 GLU A 103 5 5 HELIX 6 AA6 LEU A 108 VAL A 114 1 7 HELIX 7 AA7 ALA A 116 GLY A 128 1 13 HELIX 8 AA8 GLY A 128 PHE A 139 1 12 HELIX 9 AA9 ALA A 163 LEU A 175 1 13 HELIX 10 AB1 SER A 181 LEU A 192 1 12 HELIX 11 AB2 ASN A 243 LEU A 247 5 5 HELIX 12 AB3 PRO A 248 GLU A 261 1 14 HELIX 13 AB4 TRP B 28 GLU B 35 1 8 HELIX 14 AB5 ASP B 55 LYS B 61 1 7 HELIX 15 AB6 PRO B 65 THR B 68 5 4 HELIX 16 AB7 PHE B 69 THR B 80 1 12 HELIX 17 AB8 MET B 99 GLU B 103 5 5 HELIX 18 AB9 THR B 107 VAL B 114 1 8 HELIX 19 AC1 ALA B 116 PHE B 139 1 24 HELIX 20 AC2 ALA B 163 LEU B 175 1 13 HELIX 21 AC3 SER B 181 LEU B 192 1 12 HELIX 22 AC4 ASN B 243 LEU B 247 5 5 HELIX 23 AC5 PRO B 248 GLU B 261 1 14 SHEET 1 AA1 7 ILE A 22 GLU A 24 0 SHEET 2 AA1 7 CYS A 51 THR A 53 1 O CYS A 51 N THR A 23 SHEET 3 AA1 7 GLY A 39 LYS A 45 -1 N LEU A 43 O ALA A 52 SHEET 4 AA1 7 GLU A 231 ILE A 241 -1 O PHE A 234 N CYS A 44 SHEET 5 AA1 7 GLY A 218 LYS A 228 -1 N LYS A 228 O GLU A 231 SHEET 6 AA1 7 TYR A 200 PHE A 208 -1 N LEU A 201 O GLU A 227 SHEET 7 AA1 7 VAL A 193 ALA A 196 -1 N GLU A 195 O VAL A 202 SHEET 1 AA2 2 GLU A 62 TYR A 63 0 SHEET 2 AA2 2 ILE A 161 SER A 162 -1 O ILE A 161 N TYR A 63 SHEET 1 AA3 2 VAL A 89 PHE A 90 0 SHEET 2 AA3 2 LEU A 106 THR A 107 -1 O LEU A 106 N PHE A 90 SHEET 1 AA4 7 SER B 21 GLU B 24 0 SHEET 2 AA4 7 SER B 50 THR B 53 1 O CYS B 51 N SER B 21 SHEET 3 AA4 7 GLY B 39 LYS B 45 -1 N LYS B 45 O SER B 50 SHEET 4 AA4 7 GLU B 231 ILE B 241 -1 O PHE B 234 N CYS B 44 SHEET 5 AA4 7 GLY B 218 LYS B 228 -1 N GLY B 224 O PHE B 235 SHEET 6 AA4 7 TYR B 200 PHE B 208 -1 N LEU B 201 O GLU B 227 SHEET 7 AA4 7 VAL B 193 ALA B 196 -1 N GLU B 195 O VAL B 202 SHEET 1 AA5 2 GLU B 62 TYR B 63 0 SHEET 2 AA5 2 ILE B 161 SER B 162 -1 O ILE B 161 N TYR B 63 SSBOND 1 CYS A 44 CYS A 51 1555 1555 2.04 SSBOND 2 CYS B 44 CYS B 51 1555 1555 2.04 LINK C ALA A 66 N ADHA A 67 1555 1555 1.32 LINK C ADHA A 67 N THR A 68 1555 1555 1.33 LINK CB BALA A 67 NZ BKCX A 70 1555 1555 1.51 LINK C PHE A 69 N AKCX A 70 1555 1555 1.33 LINK C PHE A 69 N BKCX A 70 1555 1555 1.33 LINK C AKCX A 70 N ILE A 71 1555 1555 1.33 LINK C BKCX A 70 N ILE A 71 1555 1555 1.33 LINK C ALA B 66 N ADHA B 67 1555 1555 1.32 LINK C ADHA B 67 N THR B 68 1555 1555 1.33 LINK NA NA A 301 O HOH A 569 1555 1555 2.79 LINK NA NA A 301 O HOH A 595 1555 1555 3.04 CRYST1 48.610 95.457 126.186 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 0.020572 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010476 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007925 0.00000