HEADER HYDROLASE 02-SEP-98 1BT5 TITLE CRYSTAL STRUCTURE OF THE IMIPENEM INHIBITED TEM-1 BETA-LACTAMASE FROM TITLE 2 ESCHERICHIA COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (BETA-LACTAMASE); COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: ESTER LINK BETWEEN SER A 70 OG AND IM2 350 C7 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 VARIANT: V82I, A182V; SOURCE 5 CELLULAR_LOCATION: PERIPLASMIC; SOURCE 6 GENE: BLA; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_CELLULAR_LOCATION: PERIPLASM KEYWDS HYDROLASE, BETA-LACTAM DEGRADATION EXPDTA X-RAY DIFFRACTION AUTHOR L.MAVEYRAUD,L.MOUREY,J.D.PEDELACQ,V.GUILLET,L.K.KOTRA,S.MOBASHERY, AUTHOR 2 J.P.SAMAMA REVDAT 6 20-NOV-24 1BT5 1 REMARK REVDAT 5 27-DEC-23 1BT5 1 REMARK REVDAT 4 03-NOV-21 1BT5 1 COMPND REMARK SEQADV HETNAM REVDAT 4 2 1 LINK REVDAT 3 31-AUG-11 1BT5 1 HETNAM HETSYN VERSN REVDAT 2 24-FEB-09 1BT5 1 VERSN REVDAT 1 02-SEP-99 1BT5 0 JRNL AUTH L.MAVEYRAUD,L.MOUREY,L.P.KOTRA,J.D.PEDELACQ,V.GUILLET, JRNL AUTH 2 S.MOBASHERY,J.P.SAMAMA JRNL TITL STRUCTURAL BASIS FOR CLINICAL LONGEVITY OF CARBAPENEM JRNL TITL 2 ANTIBIOTICS IN THE FACE OF CHALLENGE BY THE COMMON CLASS A JRNL TITL 3 BETA-LACTAMASES FROM ANTIBIOTIC-RESISTANT BACTERIA JRNL REF J.AM.CHEM.SOC. V. 120 9748 1998 JRNL REFN ISSN 0002-7863 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.JELSCH,L.MOUREY,J.M.MASSON,J.P.SAMAMA REMARK 1 TITL CRYSTAL STRUCTURE OF ESCHERICHIA COLI TEM1 BETA-LACTAMASE AT REMARK 1 TITL 2 1.8 A RESOLUTION REMARK 1 REF PROTEINS V. 16 364 1993 REMARK 1 REFN ISSN 0887-3585 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.JELSCH,F.LENFANT,J.M.MASSON,J.P.SAMAMA REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC DATA ON REMARK 1 TITL 2 ESCHERICHIA COLI TEM1 BETA-LACTAMASE REMARK 1 REF J.MOL.BIOL. V. 223 377 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 21708 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.173 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1113 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2030 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 347 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.13 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.73 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.010 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.022 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.075 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.013 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.113 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.179 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.267 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 10.900; 2.000 REMARK 3 STAGGERED (DEGREES) : 16.900; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 28.700; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.530 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 0.677 ; 1.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.281 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.016 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: EXTERNAL BULK SOLVENT CORRECTION REMARK 3 COMPUTED WITH XPLOR 3.1 REMARK 4 REMARK 4 1BT5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000007314. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1271 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21770 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 18.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 20.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.11600 REMARK 200 FOR SHELL : 8.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.8 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 20.71000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.66500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.00500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 44.66500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.71000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.00500 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 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 OD1 ASN A 100 O HOH A 360 2555 1.96 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 ARG A 241 NE - CZ - NH1 ANGL. DEV. = 3.8 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 MET A 69 -146.71 57.51 REMARK 500 ASN A 175 -1.42 69.99 REMARK 500 LEU A 220 -129.32 -97.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 351 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 352 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 353 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 354 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 355 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 356 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 357 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 358 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IM2 A 350 DBREF 1BT5 A 26 290 UNP P62593 BLAT_ECOLI 24 286 SEQADV 1BT5 ILE A 84 UNP P62593 VAL 82 ENGINEERED MUTATION SEQADV 1BT5 VAL A 184 UNP P62593 ALA 182 ENGINEERED MUTATION SEQRES 1 A 263 HIS PRO GLU THR LEU VAL LYS VAL LYS ASP ALA GLU ASP SEQRES 2 A 263 GLN LEU GLY ALA ARG VAL GLY TYR ILE GLU LEU ASP LEU SEQRES 3 A 263 ASN SER GLY LYS ILE LEU GLU SER PHE ARG PRO GLU GLU SEQRES 4 A 263 ARG PHE PRO MET MET SER THR PHE LYS VAL LEU LEU CYS SEQRES 5 A 263 GLY ALA VAL LEU SER ARG ILE ASP ALA GLY GLN GLU GLN SEQRES 6 A 263 LEU GLY ARG ARG ILE HIS TYR SER GLN ASN ASP LEU VAL SEQRES 7 A 263 GLU TYR SER PRO VAL THR GLU LYS HIS LEU THR ASP GLY SEQRES 8 A 263 MET THR VAL ARG GLU LEU CYS SER ALA ALA ILE THR MET SEQRES 9 A 263 SER ASP ASN THR ALA ALA ASN LEU LEU LEU THR THR ILE SEQRES 10 A 263 GLY GLY PRO LYS GLU LEU THR ALA PHE LEU HIS ASN MET SEQRES 11 A 263 GLY ASP HIS VAL THR ARG LEU ASP ARG TRP GLU PRO GLU SEQRES 12 A 263 LEU ASN GLU ALA ILE PRO ASN ASP GLU ARG ASP THR THR SEQRES 13 A 263 MET PRO VAL ALA MET ALA THR THR LEU ARG LYS LEU LEU SEQRES 14 A 263 THR GLY GLU LEU LEU THR LEU ALA SER ARG GLN GLN LEU SEQRES 15 A 263 ILE ASP TRP MET GLU ALA ASP LYS VAL ALA GLY PRO LEU SEQRES 16 A 263 LEU ARG SER ALA LEU PRO ALA GLY TRP PHE ILE ALA ASP SEQRES 17 A 263 LYS SER GLY ALA GLY GLU ARG GLY SER ARG GLY ILE ILE SEQRES 18 A 263 ALA ALA LEU GLY PRO ASP GLY LYS PRO SER ARG ILE VAL SEQRES 19 A 263 VAL ILE TYR THR THR GLY SER GLN ALA THR MET ASP GLU SEQRES 20 A 263 ARG ASN ARG GLN ILE ALA GLU ILE GLY ALA SER LEU ILE SEQRES 21 A 263 LYS HIS TRP HET SO4 A 351 5 HET SO4 A 352 5 HET SO4 A 353 5 HET SO4 A 354 5 HET SO4 A 355 5 HET SO4 A 356 5 HET SO4 A 357 5 HET SO4 A 358 5 HET IM2 A 350 20 HETNAM SO4 SULFATE ION HETNAM IM2 (5R)-5-[(1S,2R)-1-FORMYL-2-HYDROXYPROPYL]-3-[(2-{[(E)- HETNAM 2 IM2 IMINOMETHYL]AMINO}ETHYL)SULFANYL]-4,5-DIHYDRO-1H- HETNAM 3 IM2 PYRROLE-2-CARBOX YLIC ACID HETSYN IM2 IMIPENEM, OPEN FORM; N-FORMIMIDOYL-THIENAMYCINE, OPEN HETSYN 2 IM2 FORM FORMUL 2 SO4 8(O4 S 2-) FORMUL 10 IM2 C12 H19 N3 O4 S FORMUL 11 HOH *347(H2 O) HELIX 1 1 PRO A 27 LEU A 40 1 14 HELIX 2 2 MET A 69 ASP A 85 5 17 HELIX 3 3 GLN A 99 ASP A 101 5 3 HELIX 4 4 THR A 109 LYS A 111 5 3 HELIX 5 5 VAL A 119 THR A 128 1 10 HELIX 6 6 ASN A 132 ILE A 142 1 11 HELIX 7 7 PRO A 145 MET A 155 1 11 HELIX 8 8 GLU A 168 ASN A 170 5 3 HELIX 9 9 PRO A 183 THR A 195 1 13 HELIX 10 10 LEU A 201 GLU A 212 1 12 HELIX 11 11 LEU A 221 ALA A 224 5 4 HELIX 12 12 MET A 272 LYS A 288 1 17 SHEET 1 A 5 PHE A 230 ALA A 237 0 SHEET 2 A 5 ARG A 244 GLY A 251 -1 N GLY A 251 O PHE A 230 SHEET 3 A 5 ARG A 259 THR A 266 -1 N THR A 265 O ARG A 244 SHEET 4 A 5 ARG A 43 ASP A 50 -1 N LEU A 49 O ILE A 260 SHEET 5 A 5 ILE A 56 PHE A 60 -1 N PHE A 60 O TYR A 46 SHEET 1 B 2 ARG A 65 PRO A 67 0 SHEET 2 B 2 THR A 180 MET A 182 -1 N THR A 181 O PHE A 66 SSBOND 1 CYS A 77 CYS A 123 1555 1555 2.06 LINK OG SER A 70 C7 IM2 A 350 1555 1555 1.29 CISPEP 1 GLU A 166 PRO A 167 0 1.62 SITE 1 AC1 5 SER A 258 ARG A 259 TRP A 290 HOH A 412 SITE 2 AC1 5 HOH A 568 SITE 1 AC2 5 THR A 271 ASP A 273 GLU A 274 ARG A 277 SITE 2 AC2 5 HOH A 569 SITE 1 AC3 6 ARG A 43 PRO A 174 ASN A 175 HOH A 422 SITE 2 AC3 6 HOH A 642 HOH A 689 SITE 1 AC4 1 ARG A 161 SITE 1 AC5 7 HIS A 153 HIS A 158 TRP A 229 HOH A 409 SITE 2 AC5 7 HOH A 610 HOH A 659 HOH A 662 SITE 1 AC6 6 ARG A 178 ALA A 202 HOH A 483 HOH A 489 SITE 2 AC6 6 HOH A 496 HOH A 630 SITE 1 AC7 5 GLN A 90 LEU A 91 GLY A 92 ARG A 120 SITE 2 AC7 5 HOH A 478 SITE 1 AC8 3 ARG A 94 HIS A 96 HOH A 606 SITE 1 AC9 15 SER A 70 SER A 130 ASN A 132 GLU A 166 SITE 2 AC9 15 ASN A 170 SER A 235 GLY A 236 ALA A 237 SITE 3 AC9 15 GLY A 238 ARG A 244 MET A 272 HOH A 390 SITE 4 AC9 15 HOH A 521 HOH A 590 HOH A 654 CRYST1 41.420 62.010 89.330 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 0.024143 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016126 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011194 0.00000