HEADER TRANSFERASE 07-APR-05 1ZAT TITLE CRYSTAL STRUCTURE OF AN ENTEROCOCCUS FAECIUM PEPTIDOGLYCAN BINDING TITLE 2 PROTEIN AT 2.4 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: L,D-TRANSPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROCOCCUS FAECIUM; SOURCE 3 ORGANISM_TAXID: 1352; SOURCE 4 GENE: LDTFM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET2818 KEYWDS L, D-TRANSPEPTIDATION, PEPTIDOGLYCAN, BETA-LACTAM INSENSITIVE KEYWDS 2 TRANSPEPTIDASE, ANTIBIOTIC RESISTANCE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR S.BIARROTTE-SORIN,J.-E.HUGONNET,J.-L.MAINARDI,L.GUTMANN,L.RICE, AUTHOR 2 M.ARTHUR,C.MAYER REVDAT 4 14-FEB-24 1ZAT 1 REMARK REVDAT 3 24-FEB-09 1ZAT 1 VERSN REVDAT 2 27-JUN-06 1ZAT 1 JRNL REVDAT 1 28-MAR-06 1ZAT 0 JRNL AUTH S.BIARROTTE-SORIN,J.E.HUGONNET,V.DELFOSSE,J.L.MAINARDI, JRNL AUTH 2 L.GUTMANN,M.ARTHUR,C.MAYER JRNL TITL CRYSTAL STRUCTURE OF A NOVEL BETA-LACTAM-INSENSITIVE JRNL TITL 2 PEPTIDOGLYCAN TRANSPEPTIDASE. JRNL REF J.MOL.BIOL. V. 359 533 2006 JRNL REFN ISSN 0022-2836 JRNL PMID 16647082 JRNL DOI 10.1016/J.JMB.2006.03.014 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1323293.080 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 20838 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 SET) : 0.220 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1012 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3259 REMARK 3 BIN R VALUE (WORKING SET) : 0.3630 REMARK 3 BIN FREE R VALUE : 0.4260 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 170 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1940 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 295 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 49.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 53.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.26000 REMARK 3 B22 (A**2) : 7.26000 REMARK 3 B33 (A**2) : -14.52000 REMARK 3 B12 (A**2) : 3.37000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.33 REMARK 3 ESD FROM SIGMAA (A) : 0.42 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.49 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.750 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.280 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.190 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.940 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.990 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 55.71 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZAT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-APR-05. REMARK 100 THE DEPOSITION ID IS D_1000032508. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAY-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM30A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979676 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : MIRROR 1, DOUBLE CRYSTAL, MIRROR REMARK 200 2 REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20893 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 21.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09600 REMARK 200 FOR THE DATA SET : 6.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 6.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.46400 REMARK 200 FOR SHELL : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM CHLORIDE, REMARK 280 SODIUM ACETATE, PEG 2000, PH 6.4, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.75833 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 45.51667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 45.51667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 22.75833 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 S SO4 A 763 LIES ON A SPECIAL POSITION. 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 ASP A 398 REMARK 465 ASP A 399 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 404 CB CG CD OE1 OE2 REMARK 470 GLU A 428 CG CD OE1 OE2 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 S SO4 A 763 O1 SO4 A 763 6555 1.51 REMARK 500 S SO4 A 763 O4 SO4 A 763 6555 1.71 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 ASP A 261 96.12 -62.89 REMARK 500 ARG A 290 6.02 -151.23 REMARK 500 GLU A 341 -126.89 -94.16 REMARK 500 LEU A 364 145.70 177.99 REMARK 500 THR A 401 96.44 99.04 REMARK 500 GLU A 404 -72.88 -116.64 REMARK 500 SER A 405 92.09 49.21 REMARK 500 SER A 423 62.05 -108.61 REMARK 500 THR A 436 -73.87 -97.03 REMARK 500 ARG A 437 50.73 -105.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 SO4 A 763 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 467 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 763 DBREF 1ZAT A 217 466 UNP Q3Y185 Q3Y185_ENTFC 217 466 SEQRES 1 A 250 LYS GLU GLN LEU ALA SER MET ASN ALA ILE ALA ASN VAL SEQRES 2 A 250 LYS ALA THR TYR SER ILE ASN GLY GLU THR PHE GLN ILE SEQRES 3 A 250 PRO SER SER ASP ILE MET SER TRP LEU THR TYR ASN ASP SEQRES 4 A 250 GLY LYS VAL ASP LEU ASP THR GLU GLN VAL ARG GLN TYR SEQRES 5 A 250 VAL THR ASP LEU GLY THR LYS TYR ASN THR SER THR ASN SEQRES 6 A 250 ASP THR LYS PHE LYS SER THR LYS ARG GLY GLU VAL THR SEQRES 7 A 250 VAL PRO VAL GLY THR TYR SER TRP THR ILE GLN THR ASP SEQRES 8 A 250 SER GLU THR GLU ALA LEU LYS LYS ALA ILE LEU ALA GLY SEQRES 9 A 250 GLN ASP PHE THR ARG SER PRO ILE VAL GLN GLY GLY THR SEQRES 10 A 250 THR ALA ASP HIS PRO LEU ILE GLU ASP THR TYR ILE GLU SEQRES 11 A 250 VAL ASP LEU GLU ASN GLN HIS MET TRP TYR TYR LYS ASP SEQRES 12 A 250 GLY LYS VAL ALA LEU GLU THR ASP ILE VAL SER GLY LYS SEQRES 13 A 250 PRO THR THR PRO THR PRO ALA GLY VAL PHE TYR VAL TRP SEQRES 14 A 250 ASN LYS GLU GLU ASP ALA THR LEU LYS GLY THR ASN ASP SEQRES 15 A 250 ASP GLY THR PRO TYR GLU SER PRO VAL ASN TYR TRP MET SEQRES 16 A 250 PRO ILE ASP TRP THR GLY VAL GLY ILE HIS ASP SER ASP SEQRES 17 A 250 TRP GLN PRO GLU TYR GLY GLY ASP LEU TRP LYS THR ARG SEQRES 18 A 250 GLY SER HIS GLY CYS ILE ASN THR PRO PRO SER VAL MET SEQRES 19 A 250 LYS GLU LEU PHE GLY MET VAL GLU LYS GLY THR PRO VAL SEQRES 20 A 250 LEU VAL PHE HET ZN A 467 1 HET SO4 A 763 3 HETNAM ZN ZINC ION HETNAM SO4 SULFATE ION FORMUL 2 ZN ZN 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *295(H2 O) HELIX 1 1 GLU A 218 VAL A 229 1 12 HELIX 2 2 PRO A 243 TRP A 250 1 8 HELIX 3 3 ASP A 261 ASN A 277 1 17 HELIX 4 4 GLN A 305 GLY A 320 1 16 HELIX 5 5 ASP A 432 GLY A 438 1 7 HELIX 6 6 PRO A 446 VAL A 457 1 12 SHEET 1 A 3 GLU A 238 GLN A 241 0 SHEET 2 A 3 ALA A 231 ILE A 235 -1 N ILE A 235 O GLU A 238 SHEET 3 A 3 PHE A 323 ARG A 325 1 O PHE A 323 N THR A 232 SHEET 1 B 2 LEU A 251 ASN A 254 0 SHEET 2 B 2 LYS A 257 LEU A 260 -1 O ASP A 259 N THR A 252 SHEET 1 C 2 THR A 283 LYS A 286 0 SHEET 2 C 2 GLU A 292 VAL A 295 -1 O VAL A 295 N THR A 283 SHEET 1 D 2 TRP A 302 ILE A 304 0 SHEET 2 D 2 VAL A 329 GLY A 331 -1 O GLN A 330 N THR A 303 SHEET 1 E 5 LYS A 361 ASP A 367 0 SHEET 2 E 5 HIS A 353 LYS A 358 -1 N TYR A 356 O ALA A 363 SHEET 3 E 5 TYR A 344 ASP A 348 -1 N GLU A 346 O TRP A 355 SHEET 4 E 5 PRO A 462 PHE A 466 1 O LEU A 464 N VAL A 347 SHEET 5 E 5 GLY A 380 TYR A 383 -1 N PHE A 382 O VAL A 463 SHEET 1 F 4 GLU A 388 THR A 392 0 SHEET 2 F 4 PRO A 406 PRO A 412 -1 O TRP A 410 N GLU A 388 SHEET 3 F 4 GLY A 419 ASP A 422 -1 O ILE A 420 N MET A 411 SHEET 4 F 4 ILE A 443 THR A 445 1 O ILE A 443 N GLY A 419 SITE 1 AC1 2 HIS A 421 SER A 439 SITE 1 AC2 2 MET A 223 ASN A 224 CRYST1 115.976 115.976 68.275 90.00 90.00 120.00 P 31 2 1 6 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 0.008622 0.004978 0.000000 0.00000 SCALE2 0.000000 0.009956 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014647 0.00000