HEADER BIOSYNTHETIC PROTEIN,TRANSFERASE 08-JUL-19 6PPW TITLE CRYSTAL STRUCTURE OF NEUB, AN N-ACETYLNEURAMINATE SYNTHASE FROM TITLE 2 NEISSERIA MENINGITIDIS, IN COMPLEX WITH MAGNESIUM AND MALATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: N-ACETYLNEURAMINATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SYNC PROTEIN; COMPND 5 EC: 2.5.1.56; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NEISSERIA MENINGITIDIS SEROGROUP B; SOURCE 3 ORGANISM_TAXID: 491; SOURCE 4 GENE: SYNC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS NEUB, TRANSFERASE, SIALIC ACID SYNTHASE, N-ACETYLNEURAMINATE KEYWDS 2 SYNTHASE, BIOSYNTHETIC PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.Z.ROSANALLY,M.S.JUNOP,P.J.BERTI REVDAT 5 11-OCT-23 6PPW 1 REMARK REVDAT 4 08-JAN-20 6PPW 1 REMARK REVDAT 3 23-OCT-19 6PPW 1 JRNL REVDAT 2 09-OCT-19 6PPW 1 SPRSDE REVDAT 1 02-OCT-19 6PPW 0 SPRSDE 09-OCT-19 6PPW 2ZDR JRNL AUTH V.POPOVIC,E.MORRISON,A.Z.ROSANALLY,N.BALACHANDRAN, JRNL AUTH 2 A.W.SENSON,R.SZABLA,M.S.JUNOP,P.J.BERTI JRNL TITL NEUNAC OXIME: A SLOW-BINDING AND EFFECTIVELY IRREVERSIBLE JRNL TITL 2 INHIBITOR OF THE SIALIC ACID SYNTHASE NEUB. JRNL REF BIOCHEMISTRY V. 58 4236 2019 JRNL REFN ISSN 0006-2960 JRNL PMID 31549502 JRNL DOI 10.1021/ACS.BIOCHEM.9B00654 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.74 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 30218 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 1533 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 29.7500 - 4.1100 0.98 2752 144 0.1617 0.1918 REMARK 3 2 4.1100 - 3.2600 1.00 2638 150 0.1494 0.1989 REMARK 3 3 3.2600 - 2.8500 1.00 2617 161 0.1811 0.2290 REMARK 3 4 2.8500 - 2.5900 1.00 2638 120 0.2020 0.2664 REMARK 3 5 2.5900 - 2.4100 1.00 2591 132 0.2061 0.2701 REMARK 3 6 2.4100 - 2.2600 1.00 2581 136 0.1943 0.2365 REMARK 3 7 2.2600 - 2.1500 1.00 2603 132 0.1767 0.2071 REMARK 3 8 2.1500 - 2.0600 1.00 2565 140 0.1710 0.2346 REMARK 3 9 2.0600 - 1.9800 1.00 2562 157 0.1895 0.2341 REMARK 3 10 1.9800 - 1.9100 1.00 2578 146 0.1969 0.2597 REMARK 3 11 1.9100 - 1.8500 1.00 2560 115 0.2492 0.2606 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) : 0.193 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.597 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.93 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.23 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 : 0.006 2722 REMARK 3 ANGLE : 0.796 3674 REMARK 3 CHIRALITY : 0.055 408 REMARK 3 PLANARITY : 0.005 484 REMARK 3 DIHEDRAL : 27.634 1022 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 6PPW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUL-19. REMARK 100 THE DEPOSITION ID IS D_1000242814. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-NOV-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30334 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 77.380 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.10600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 2.2000 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) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 0.77800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1XUZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MM MGCL2 3% (V/V) MPD 1.7M MALIC REMARK 280 ACID, PH 6.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 29.39650 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.01500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.39650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.01500 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: 8310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25550 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 58.79300 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 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 60 CG CD OE1 OE2 REMARK 470 ASP A 76 CG OD1 OD2 REMARK 470 GLU A 91 CG CD OE1 OE2 REMARK 470 LYS A 300 CD CE 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 ASN A 184 66.39 -100.92 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 MG A 701 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 215 NE2 REMARK 620 2 HIS A 236 NE2 102.0 REMARK 620 3 MLT A 702 O2 112.2 86.6 REMARK 620 4 MLT A 702 O1 87.7 139.6 53.9 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 MG A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MLT A 702 DBREF 6PPW A 1 349 UNP H2VFG5 H2VFG5_NEIMI 1 349 SEQRES 1 A 349 MET GLN ASN ASN ASN GLU PHE LYS ILE GLY ASN ARG SER SEQRES 2 A 349 VAL GLY TYR ASN HIS GLU PRO LEU ILE ILE CYS GLU ILE SEQRES 3 A 349 GLY ILE ASN HIS GLU GLY SER LEU LYS THR ALA PHE GLU SEQRES 4 A 349 MET VAL ASP ALA ALA TYR ASN ALA GLY ALA GLU VAL VAL SEQRES 5 A 349 LYS HIS GLN THR HIS ILE VAL GLU ASP GLU MET SER ASP SEQRES 6 A 349 GLU ALA LYS GLN VAL ILE PRO GLY ASN ALA ASP VAL SER SEQRES 7 A 349 ILE TYR GLU ILE MET GLU ARG CYS ALA LEU ASN GLU GLU SEQRES 8 A 349 ASP GLU ILE LYS LEU LYS GLU TYR VAL GLU SER LYS GLY SEQRES 9 A 349 MET ILE PHE ILE SER THR PRO PHE SER ARG ALA ALA ALA SEQRES 10 A 349 LEU ARG LEU GLN ARG MET ASP ILE PRO ALA TYR LYS ILE SEQRES 11 A 349 GLY SER GLY GLU CYS ASN ASN TYR PRO LEU ILE LYS LEU SEQRES 12 A 349 VAL ALA SER PHE GLY LYS PRO ILE ILE LEU SER THR GLY SEQRES 13 A 349 MET ASN SER ILE GLU SER ILE LYS LYS SER VAL GLU ILE SEQRES 14 A 349 ILE ARG GLU ALA GLY VAL PRO TYR ALA LEU LEU HIS CYS SEQRES 15 A 349 THR ASN ILE TYR PRO THR PRO TYR GLU ASP VAL ARG LEU SEQRES 16 A 349 GLY GLY MET ASN ASP LEU SER GLU ALA PHE PRO ASP ALA SEQRES 17 A 349 ILE ILE GLY LEU SER ASP HIS THR LEU ASP ASN TYR ALA SEQRES 18 A 349 CYS LEU GLY ALA VAL ALA LEU GLY GLY SER ILE LEU GLU SEQRES 19 A 349 ARG HIS PHE THR ASP ARG MET ASP ARG PRO GLY PRO ASP SEQRES 20 A 349 ILE VAL CYS SER MET ASN PRO ASP THR PHE LYS GLU LEU SEQRES 21 A 349 LYS GLN GLY ALA HIS ALA LEU LYS LEU ALA ARG GLY GLY SEQRES 22 A 349 LYS LYS ASP THR ILE ILE ALA GLY GLU LYS PRO THR LYS SEQRES 23 A 349 ASP PHE ALA PHE ALA SER VAL VAL ALA ASP LYS ASP ILE SEQRES 24 A 349 LYS LYS GLY GLU LEU LEU SER GLY ASP ASN LEU TRP VAL SEQRES 25 A 349 LYS ARG PRO GLY ASN GLY ASP PHE SER VAL ASN GLU TYR SEQRES 26 A 349 GLU THR LEU PHE GLY LYS VAL ALA ALA CYS ASN ILE ARG SEQRES 27 A 349 LYS GLY ALA GLN ILE LYS LYS THR ASP ILE GLU HET MG A 701 1 HET MLT A 702 13 HETNAM MG MAGNESIUM ION HETNAM MLT D-MALATE HETSYN MLT (2R)-2-HYDROXYBUTANEDIOIC ACID; 2-HYDROXY-SUCCINIC ACID FORMUL 2 MG MG 2+ FORMUL 3 MLT C4 H6 O5 FORMUL 4 HOH *312(H2 O) HELIX 1 AA1 SER A 33 GLY A 48 1 16 HELIX 2 AA2 ILE A 58 MET A 63 1 6 HELIX 3 AA3 SER A 64 VAL A 70 5 7 HELIX 4 AA4 SER A 78 ALA A 87 1 10 HELIX 5 AA5 ASN A 89 LYS A 103 1 15 HELIX 6 AA6 SER A 113 ASP A 124 1 12 HELIX 7 AA7 GLY A 131 CYS A 135 5 5 HELIX 8 AA8 ASN A 137 SER A 146 1 10 HELIX 9 AA9 SER A 159 GLY A 174 1 16 HELIX 10 AB1 PRO A 189 ARG A 194 5 6 HELIX 11 AB2 LEU A 195 PHE A 205 1 11 HELIX 12 AB3 ASN A 219 LEU A 228 1 10 HELIX 13 AB4 ASP A 247 SER A 251 5 5 HELIX 14 AB5 ASN A 253 ARG A 271 1 19 HELIX 15 AB6 ILE A 279 GLY A 281 5 3 HELIX 16 AB7 GLU A 282 PHE A 290 1 9 HELIX 17 AB8 SER A 321 PHE A 329 5 9 HELIX 18 AB9 LYS A 344 ILE A 348 5 5 SHEET 1 AA1 2 GLU A 6 ILE A 9 0 SHEET 2 AA1 2 ARG A 12 GLY A 15 -1 O ARG A 12 N ILE A 9 SHEET 1 AA2 9 LEU A 21 GLY A 27 0 SHEET 2 AA2 9 VAL A 51 THR A 56 1 O LYS A 53 N CYS A 24 SHEET 3 AA2 9 ILE A 106 PRO A 111 1 O THR A 110 N THR A 56 SHEET 4 AA2 9 TYR A 128 ILE A 130 1 O LYS A 129 N SER A 109 SHEET 5 AA2 9 ILE A 151 SER A 154 1 O ILE A 152 N TYR A 128 SHEET 6 AA2 9 TYR A 177 HIS A 181 1 O LEU A 180 N LEU A 153 SHEET 7 AA2 9 ILE A 209 SER A 213 1 O SER A 213 N HIS A 181 SHEET 8 AA2 9 ILE A 232 HIS A 236 1 O ILE A 232 N LEU A 212 SHEET 9 AA2 9 LEU A 21 GLY A 27 1 N ILE A 23 O LEU A 233 SHEET 1 AA3 2 SER A 292 ALA A 295 0 SHEET 2 AA3 2 LEU A 310 LYS A 313 -1 O LYS A 313 N SER A 292 LINK NE2 HIS A 215 MG MG A 701 1555 1555 2.09 LINK NE2 HIS A 236 MG MG A 701 1555 1555 2.37 LINK MG MG A 701 O2 MLT A 702 1555 1555 2.42 LINK MG MG A 701 O1 MLT A 702 1555 1555 2.32 CISPEP 1 TYR A 186 PRO A 187 0 2.90 CISPEP 2 ARG A 314 PRO A 315 0 -1.91 SITE 1 AC1 3 HIS A 215 HIS A 236 MLT A 702 SITE 1 AC2 14 GLU A 25 LYS A 53 GLN A 55 THR A 110 SITE 2 AC2 14 PHE A 112 LYS A 129 ASN A 184 TYR A 186 SITE 3 AC2 14 HIS A 215 HIS A 236 MG A 701 HOH A 819 SITE 4 AC2 14 HOH A1002 HOH A1019 CRYST1 58.793 76.030 77.370 90.00 90.00 90.00 P 21 21 2 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 0.017009 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013153 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012925 0.00000