HEADER HYDROLASE 01-DEC-20 7B3S TITLE OXA-10 BETA-LACTAMASE WITH S67DHA MODIFICATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE OXA-10; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BETA-LACTAMASE PSE-2; COMPND 5 EC: 3.5.2.6; COMPND 6 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 KEYWDS BETA LACTAMASE, ANTIBIOTIC RESISTANCE, TAZOBACTAM, DEHYDROALANINE, KEYWDS 2 IRREVERSIBLE INHIBITION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.A.LANG,J.BREM,C.J.SCHOFIELD REVDAT 3 31-JAN-24 7B3S 1 REMARK REVDAT 2 11-MAY-22 7B3S 1 JRNL REVDAT 1 12-JAN-22 7B3S 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. 1.85 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.60 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 52100 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.203 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.970 REMARK 3 FREE R VALUE TEST SET COUNT : 2589 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 48.6020 - 4.8437 1.00 2940 176 0.1723 0.2144 REMARK 3 2 4.8437 - 3.8450 1.00 2838 152 0.1174 0.1334 REMARK 3 3 3.8450 - 3.3591 1.00 2813 136 0.1401 0.1611 REMARK 3 4 3.3591 - 3.0521 1.00 2764 140 0.1521 0.1951 REMARK 3 5 3.0521 - 2.8333 1.00 2779 144 0.1683 0.2310 REMARK 3 6 2.8333 - 2.6663 1.00 2744 156 0.1660 0.1984 REMARK 3 7 2.6663 - 2.5328 1.00 2755 138 0.1596 0.2198 REMARK 3 8 2.5328 - 2.4225 1.00 2714 147 0.1637 0.2029 REMARK 3 9 2.4225 - 2.3293 1.00 2725 143 0.1669 0.2380 REMARK 3 10 2.3293 - 2.2489 1.00 2728 148 0.1736 0.2348 REMARK 3 11 2.2489 - 2.1786 1.00 2734 152 0.1786 0.2014 REMARK 3 12 2.1786 - 2.1163 1.00 2714 148 0.1757 0.2072 REMARK 3 13 2.1163 - 2.0606 1.00 2706 153 0.1797 0.2076 REMARK 3 14 2.0606 - 2.0103 1.00 2726 158 0.1789 0.2545 REMARK 3 15 2.0103 - 1.9646 1.00 2718 119 0.1902 0.2324 REMARK 3 16 1.9646 - 1.9228 1.00 2782 112 0.2224 0.2491 REMARK 3 17 1.9228 - 1.8843 1.00 2691 139 0.2368 0.2748 REMARK 3 18 1.8843 - 1.8500 0.98 2640 128 0.2939 0.3267 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) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.100 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.70 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 7B3S 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_1292112518. 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 : 7.5 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 : 52193 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.849 REMARK 200 RESOLUTION RANGE LOW (A) : 48.870 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : 0.27800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 13.00 REMARK 200 R MERGE FOR SHELL (I) : 2.41100 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 (%): 54.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM SULFATE, 0.1 M BIS-TRIS REMARK 280 PROPANE PH 7.5, 20 % (W/V) PEG3350, 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 24.44800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.94900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 48.60250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.94900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.44800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 48.60250 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: 3310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 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 GLY A 265 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 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 CD CE NZ REMARK 470 LYS A 91 CD CE NZ REMARK 470 LYS A 95 NZ REMARK 470 LYS A 100 CE NZ REMARK 470 GLN A 101 CD OE1 NE2 REMARK 470 ARG A 104 NH1 REMARK 470 LYS A 137 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 ASN A 216 CG OD1 ND2 REMARK 470 GLU A 229 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 NZ REMARK 470 LYS B 49 CE NZ REMARK 470 LYS B 84 NZ REMARK 470 LYS B 91 CD CE NZ REMARK 470 LYS B 95 CG CD CE NZ REMARK 470 LYS B 100 CG CD CE NZ REMARK 470 GLN B 101 CG CD OE1 NE2 REMARK 470 LYS B 137 CE NZ REMARK 470 LYS B 138 CE NZ REMARK 470 LYS B 152 NZ REMARK 470 LEU B 155 CG CD1 CD2 REMARK 470 LYS B 177 CE NZ REMARK 470 GLU B 190 CD OE1 OE2 REMARK 470 GLU B 199 CG CD OE1 OE2 REMARK 470 THR B 213 OG1 CG2 REMARK 470 GLU B 214 CG CD OE1 OE2 REMARK 470 SER B 215 OG REMARK 470 ASN B 216 CG OD1 ND2 REMARK 470 GLU B 229 CD OE1 OE2 REMARK 470 GLU B 244 OE1 OE2 REMARK 470 LYS B 246 CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 468 O HOH A 511 1.89 REMARK 500 O HOH B 481 O HOH B 549 2.11 REMARK 500 O HOH A 401 O HOH A 607 2.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 565 O HOH A 604 4455 2.06 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 SER A 46 -42.96 80.88 REMARK 500 ALA A 66 -145.65 53.27 REMARK 500 ASN A 85 -175.56 -172.32 REMARK 500 LYS A 152 10.79 -150.48 REMARK 500 GLU A 156 12.04 -148.28 REMARK 500 ASN A 216 77.35 -156.10 REMARK 500 GLU A 229 -122.82 44.86 REMARK 500 ALA B 66 -136.10 48.31 REMARK 500 ASN B 85 -172.57 -176.05 REMARK 500 LYS B 152 7.73 -150.32 REMARK 500 GLU B 229 -133.53 54.09 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 304 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 584 O REMARK 620 2 HOH A 617 O 99.6 REMARK 620 N 1 DBREF 7B3S A 20 265 UNP P14489 BLO10_PSEAI 20 265 DBREF 7B3S B 20 265 UNP P14489 BLO10_PSEAI 20 265 SEQADV 7B3S MET A 19 UNP P14489 INITIATING METHIONINE SEQADV 7B3S 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 KCX 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 7B3S DHA A 67 SER MODIFIED RESIDUE MODRES 7B3S KCX A 70 LYS MODIFIED RESIDUE MODRES 7B3S DHA B 67 SER MODIFIED RESIDUE MODRES 7B3S KCX B 70 LYS MODIFIED RESIDUE HET DHA A 67 5 HET KCX A 70 12 HET DHA B 67 5 HET KCX B 70 12 HET CO2 A 301 3 HET SO4 A 302 5 HET SO4 A 303 5 HET NA A 304 1 HET NA A 305 1 HET CO2 B 301 3 HET SO4 B 302 5 HET SO4 B 303 5 HET NA B 304 1 HETNAM DHA 2-AMINO-ACRYLIC ACID HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM CO2 CARBON DIOXIDE HETNAM SO4 SULFATE ION HETNAM NA SODIUM ION HETSYN DHA 2,3-DIDEHYDROALANINE FORMUL 1 DHA 2(C3 H5 N O2) FORMUL 1 KCX 2(C7 H14 N2 O4) FORMUL 3 CO2 2(C O2) FORMUL 4 SO4 4(O4 S 2-) FORMUL 6 NA 3(NA 1+) FORMUL 12 HOH *496(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 PHE A 139 1 24 HELIX 8 AA8 LYS A 152 GLY A 157 1 6 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 ALA B 34 1 7 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 LEU B 108 SER B 115 1 8 HELIX 19 AC1 ALA B 116 GLY B 128 1 13 HELIX 20 AC2 GLY B 128 PHE B 139 1 12 HELIX 21 AC3 ALA B 163 LEU B 175 1 13 HELIX 22 AC4 SER B 181 LEU B 192 1 12 HELIX 23 AC5 ASN B 243 LEU B 247 5 5 HELIX 24 AC6 PRO B 248 GLU B 261 1 14 SHEET 1 AA1 7 SER A 21 GLU A 24 0 SHEET 2 AA1 7 SER A 50 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 ASN A 216 LYS A 228 -1 N LYS A 228 O GLU A 231 SHEET 6 AA1 7 TYR A 200 PHE A 208 -1 N GLY A 207 O TRP A 221 SHEET 7 AA1 7 VAL A 193 ALA A 196 -1 N GLU A 195 O VAL A 202 SHEET 1 AA2 6 SER A 21 GLU A 24 0 SHEET 2 AA2 6 SER A 50 THR A 53 1 O CYS A 51 N THR A 23 SHEET 3 AA2 6 GLY A 39 LYS A 45 -1 N LEU A 43 O ALA A 52 SHEET 4 AA2 6 GLU A 231 ILE A 241 -1 O PHE A 234 N CYS A 44 SHEET 5 AA2 6 ASN A 216 LYS A 228 -1 N LYS A 228 O GLU A 231 SHEET 6 AA2 6 GLY A 212 THR A 213 -1 N THR A 213 O ASN A 216 SHEET 1 AA3 2 GLU A 62 TYR A 63 0 SHEET 2 AA3 2 ILE A 161 SER A 162 -1 O ILE A 161 N TYR A 63 SHEET 1 AA4 2 VAL A 89 PHE A 90 0 SHEET 2 AA4 2 LEU A 106 THR A 107 -1 O LEU A 106 N PHE A 90 SHEET 1 AA5 7 SER B 21 GLU B 24 0 SHEET 2 AA5 7 SER B 50 THR B 53 1 O CYS B 51 N SER B 21 SHEET 3 AA5 7 GLY B 39 LYS B 45 -1 N LEU B 43 O ALA B 52 SHEET 4 AA5 7 GLU B 231 ILE B 241 -1 O PHE B 234 N CYS B 44 SHEET 5 AA5 7 ASN B 216 LYS B 228 -1 N GLY B 224 O PHE B 235 SHEET 6 AA5 7 TYR B 200 PHE B 208 -1 N LEU B 201 O GLU B 227 SHEET 7 AA5 7 VAL B 193 ALA B 196 -1 N GLU B 195 O VAL B 202 SHEET 1 AA6 6 SER B 21 GLU B 24 0 SHEET 2 AA6 6 SER B 50 THR B 53 1 O CYS B 51 N SER B 21 SHEET 3 AA6 6 GLY B 39 LYS B 45 -1 N LEU B 43 O ALA B 52 SHEET 4 AA6 6 GLU B 231 ILE B 241 -1 O PHE B 234 N CYS B 44 SHEET 5 AA6 6 ASN B 216 LYS B 228 -1 N GLY B 224 O PHE B 235 SHEET 6 AA6 6 GLY B 212 THR B 213 -1 N THR B 213 O ASN B 216 SHEET 1 AA7 2 GLU B 62 TYR B 63 0 SHEET 2 AA7 2 ILE B 161 SER B 162 -1 O ILE B 161 N TYR B 63 SHEET 1 AA8 2 VAL B 89 PHE B 90 0 SHEET 2 AA8 2 LEU B 106 THR B 107 -1 O LEU B 106 N PHE B 90 SSBOND 1 CYS A 44 CYS A 51 1555 1555 2.05 SSBOND 2 CYS B 44 CYS B 51 1555 1555 2.08 LINK C ALA A 66 N DHA A 67 1555 1555 1.33 LINK C DHA A 67 N THR A 68 1555 1555 1.33 LINK C PHE A 69 N KCX A 70 1555 1555 1.33 LINK C KCX A 70 N ILE A 71 1555 1555 1.32 LINK C ALA B 66 N DHA B 67 1555 1555 1.34 LINK C DHA B 67 N THR B 68 1555 1555 1.32 LINK C PHE B 69 N KCX B 70 1555 1555 1.32 LINK C KCX B 70 N ILE B 71 1555 1555 1.33 LINK NA NA A 304 O HOH A 584 1555 1555 2.80 LINK NA NA A 304 O HOH A 617 1555 1555 2.79 LINK NA NA A 305 O HOH A 622 1555 1555 2.86 CRYST1 48.896 97.205 125.898 90.00 90.00 90.00 P 21 21 21 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 0.020452 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010288 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007943 0.00000