PDB Short entry for 2N6J HEADER HYDROLASE 24-AUG-15 2N6J TITLE SOLUTION STRUCTURE OF ZMP1, A ZINC-DEPENDENT METALLOPROTEASE SECRETED TITLE 2 BY CLOSTRIDIUM DIFFICILE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ZINC METALLOPROTEASE ZMP1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.24.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PEPTOCLOSTRIDIUM DIFFICILE 630; SOURCE 3 ORGANISM_TAXID: 272563; SOURCE 4 STRAIN: 630; SOURCE 5 GENE: ZMP1, CD630_28300; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: T7; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET15/TEV KEYWDS METALLOPROTEASE, VACCINE, HYDROLASE EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR L.BANCI,F.CANTINI,M.SCARSELLI,J.T.RUBINO,M.MARTINELLI REVDAT 2 06-APR-16 2N6J 1 JRNL REVDAT 1 13-JAN-16 2N6J 0 JRNL AUTH J.T.RUBINO,M.MARTINELLI,F.CANTINI,A.CASTAGNETTI,R.LEUZZI, JRNL AUTH 2 L.BANCI,M.SCARSELLI JRNL TITL STRUCTURAL CHARACTERIZATION OF ZINC-BOUND ZMP1, A JRNL TITL 2 ZINC-DEPENDENT METALLOPROTEASE SECRETED BY CLOSTRIDIUM JRNL TITL 3 DIFFICILE. JRNL REF J.BIOL.INORG.CHEM. V. 21 185 2016 JRNL REFN ISSN 0949-8257 JRNL PMID 26711661 JRNL DOI 10.1007/S00775-015-1319-6 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 2.1, PSVS, AMBER 10, CARA 2 REMARK 3 AUTHORS : GUNTERT P. (CYANA), BHATTACHARYA AND MONTELIONE REMARK 3 (PSVS), CASE, DARDEN, CHEATHAM, III, SIMMERLING, REMARK 3 WANG, DUKE, LUO, ... AND KOLLMAN (AMBER), KELLER REMARK 3 AND WUTHRICH (CARA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2N6J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-AUG-15. REMARK 100 THE RCSB ID CODE IS RCSB104484. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7.2 REMARK 210 IONIC STRENGTH : HEPES 20 REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 0.6 MM [U-100% 15N] ZMP1, 0.5 MM REMARK 210 [U-99% 13C; U-99% 15N] ZMP1, 1 MM REMARK 210 ZMP1, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-1H NOESY; REMARK 210 3D HNCA; 3D HNCO; 3D CBCA(CO)NH; REMARK 210 3D HNCACB; 3D HN(CO)CA; 3D HNHA; REMARK 210 3D 1H-15N NOESY; 3D 1H-13C NOESY; REMARK 210 3D HCCH-TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 950 MHZ; 900 MHZ; 500 MHZ; 700 REMARK 210 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 2.1, PSVS, CARA 2, TOPSPIN REMARK 210 3 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS, REMARK 210 MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 400 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD1 ASP A 155 HG SER A 157 1.55 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 1 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 2 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 5 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 5 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 5 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 6 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 6 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 8 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 11 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 11 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 13 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 13 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 13 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 13 TYR A 178 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 14 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 14 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 17 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 18 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 18 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 18 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 18 TYR A 178 CB - CG - CD2 ANGL. DEV. = -3.9 DEGREES REMARK 500 24 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 24 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 29 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 30 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 30 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 34 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 34 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 34 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 36 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 36 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 38 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 38 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 38 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 38 TYR A 178 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 28 ARG A 60 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 28 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 28 ARG A 171 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 1 ILE A 64 -82.58 -91.83 REMARK 500 1 LYS A 132 38.92 -98.77 REMARK 500 1 ASN A 138 110.96 -160.07 REMARK 500 1 ILE A 151 -64.45 -91.39 REMARK 500 1 TYR A 178 -52.09 -123.54 REMARK 500 2 SER A 28 32.07 -78.09 REMARK 500 2 ASN A 63 33.98 -73.83 REMARK 500 2 ILE A 64 -85.60 -116.55 REMARK 500 2 LEU A 95 40.90 -101.11 REMARK 500 2 PHE A 127 -148.10 -79.16 REMARK 500 2 SER A 128 -30.63 64.37 REMARK 500 2 ASP A 155 70.49 59.52 REMARK 500 5 ASN A 63 31.82 -75.37 REMARK 500 5 ILE A 64 -83.39 -116.29 REMARK 500 5 ASP A 65 138.22 -170.29 REMARK 500 5 GLU A 104 15.79 -159.57 REMARK 500 5 THR A 106 20.89 -68.87 REMARK 500 5 ASN A 129 170.05 58.39 REMARK 500 5 ASN A 175 46.39 -79.46 REMARK 500 5 VAL A 181 -39.85 -136.94 REMARK 500 6 ASN A 63 34.24 -78.78 REMARK 500 6 ILE A 64 -83.77 -111.46 REMARK 500 6 ASP A 65 122.41 -170.22 REMARK 500 6 LYS A 132 16.24 56.84 REMARK 500 6 ASN A 175 48.84 -74.44 REMARK 500 6 TYR A 178 -62.46 -97.89 REMARK 500 6 ALA A 219 35.73 -96.88 REMARK 500 7 PRO A 45 -179.39 -69.06 REMARK 500 7 ASN A 48 49.17 -82.87 REMARK 500 7 ILE A 64 -82.94 -87.29 REMARK 500 7 GLU A 104 0.97 -64.49 REMARK 500 7 ASN A 138 118.71 -163.26 REMARK 500 8 ASN A 48 62.04 36.69 REMARK 500 8 ILE A 64 -83.61 -83.13 REMARK 500 8 LYS A 130 155.02 56.47 REMARK 500 8 TYR A 178 -60.49 -109.20 REMARK 500 11 ASN A 63 39.42 -82.47 REMARK 500 11 ILE A 64 -81.77 -115.06 REMARK 500 11 ASP A 65 117.20 -165.23 REMARK 500 11 ASN A 175 49.01 -88.28 REMARK 500 13 ILE A 64 -77.37 -85.42 REMARK 500 13 ASN A 138 113.99 -161.92 REMARK 500 13 GLU A 169 -15.94 -147.08 REMARK 500 13 ALA A 219 30.22 -92.29 REMARK 500 14 ASN A 63 35.03 -81.66 REMARK 500 14 ILE A 64 -84.08 -106.18 REMARK 500 17 ASP A 27 165.01 58.04 REMARK 500 17 ILE A 64 -77.96 -85.85 REMARK 500 17 ASP A 65 139.01 -171.07 REMARK 500 17 TYR A 178 -62.14 -127.61 REMARK 500 REMARK 500 THIS ENTRY HAS 109 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU A 173 GLY A 174 14 142.21 REMARK 500 LYS A 168 GLU A 169 18 -148.33 REMARK 500 ILE A 137 ASN A 138 29 145.91 REMARK 500 ARG A 171 SER A 172 36 -147.01 REMARK 500 SER A 119 THR A 120 38 144.49 REMARK 500 LEU A 173 GLY A 174 38 142.64 REMARK 500 SER A 119 THR A 120 40 144.82 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 171 0.08 SIDE CHAIN REMARK 500 1 TYR A 182 0.07 SIDE CHAIN REMARK 500 2 TYR A 92 0.07 SIDE CHAIN REMARK 500 5 ARG A 124 0.10 SIDE CHAIN REMARK 500 6 TYR A 92 0.08 SIDE CHAIN REMARK 500 7 TYR A 92 0.13 SIDE CHAIN REMARK 500 8 TYR A 212 0.07 SIDE CHAIN REMARK 500 17 TYR A 193 0.09 SIDE CHAIN REMARK 500 17 TYR A 195 0.07 SIDE CHAIN REMARK 500 23 ARG A 60 0.10 SIDE CHAIN REMARK 500 29 ARG A 60 0.08 SIDE CHAIN REMARK 500 38 TYR A 178 0.07 SIDE CHAIN 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 1 ZN A 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 185 OE1 REMARK 620 2 HIS A 146 NE2 117.1 REMARK 620 3 HIS A 142 NE2 77.6 82.7 REMARK 620 4 HOH A 302 O 133.4 108.9 101.9 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 ZN A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 25766 RELATED DB: BMRB DBREF 2N6J A 27 220 UNP Q183R7 ZMP1_PEPD6 27 220 SEQADV 2N6J GLY A 26 UNP Q183R7 EXPRESSION TAG SEQRES 1 A 195 GLY ASP SER THR THR ILE GLN GLN ASN LYS ASP THR LEU SEQRES 2 A 195 SER GLN ILE VAL VAL PHE PRO THR GLY ASN TYR ASP LYS SEQRES 3 A 195 ASN GLU ALA ASN ALA MET VAL ASN ARG LEU ALA ASN ILE SEQRES 4 A 195 ASP GLY LYS TYR LEU ASN ALA LEU LYS GLN ASN ASN LEU SEQRES 5 A 195 LYS ILE LYS LEU LEU SER GLY LYS LEU THR ASP GLU LYS SEQRES 6 A 195 GLU TYR ALA TYR LEU LYS GLY VAL VAL PRO LYS GLY TRP SEQRES 7 A 195 GLU GLY THR GLY LYS THR TRP ASP ASP VAL PRO GLY LEU SEQRES 8 A 195 GLY GLY SER THR VAL ALA LEU ARG ILE GLY PHE SER ASN SEQRES 9 A 195 LYS GLY LYS GLY HIS ASP ALA ILE ASN LEU GLU LEU HIS SEQRES 10 A 195 GLU THR ALA HIS ALA ILE ASP HIS ILE VAL LEU ASN ASP SEQRES 11 A 195 ILE SER LYS SER ALA GLN PHE LYS GLN ILE PHE ALA LYS SEQRES 12 A 195 GLU GLY ARG SER LEU GLY ASN VAL ASN TYR LEU GLY VAL SEQRES 13 A 195 TYR PRO GLU GLU PHE PHE ALA GLU SER PHE ALA TYR TYR SEQRES 14 A 195 TYR LEU ASN GLN ASP THR ASN SER LYS LEU LYS SER ALA SEQRES 15 A 195 CYS PRO GLN THR TYR SER PHE LEU GLN ASN LEU ALA LYS HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *(H2 O) HELIX 1 1 SER A 28 GLN A 40 1 13 HELIX 2 2 ASP A 50 ASN A 63 1 14 HELIX 3 3 ASP A 65 ASN A 75 1 11 HELIX 4 4 LYS A 85 ALA A 93 5 9 HELIX 5 5 THR A 109 VAL A 113 5 5 HELIX 6 6 ASN A 138 VAL A 152 1 15 HELIX 7 7 ASP A 155 LYS A 158 5 4 HELIX 8 8 SER A 159 GLY A 170 1 12 HELIX 9 9 ASN A 175 GLY A 180 1 6 HELIX 10 10 TYR A 182 LEU A 196 1 15 HELIX 11 11 ASN A 197 CYS A 208 1 12 HELIX 12 12 CYS A 208 LYS A 220 1 13 SHEET 1 A 4 VAL A 42 VAL A 43 0 SHEET 2 A 4 ILE A 79 LEU A 82 1 O LEU A 81 N VAL A 43 SHEET 3 A 4 VAL A 121 ARG A 124 1 O LEU A 123 N LYS A 80 SHEET 4 A 4 GLY A 115 LEU A 116 -1 N LEU A 116 O ALA A 122 LINK OE1 GLU A 185 ZN ZN A 301 1555 1555 1.98 LINK NE2 HIS A 146 ZN ZN A 301 1555 1555 2.04 LINK NE2 HIS A 142 ZN ZN A 301 1555 1555 2.14 LINK ZN ZN A 301 O HOH A 302 1555 1555 1.93 SITE 1 AC1 5 HIS A 142 HIS A 146 TYR A 178 GLU A 185 SITE 2 AC1 5 HOH A 302 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000