HEADER HYDROLASE 16-MAR-96 1LBU TITLE HYDROLASE METALLO (ZN) DD-PEPTIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MURAMOYL-PENTAPEPTIDE CARBOXYPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.17.8 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES ALBUS; SOURCE 3 ORGANISM_TAXID: 1962; SOURCE 4 STRAIN: G KEYWDS HYDROLASE, NUCLEAR RECEPTOR, CARBOXYPEPTIDASE EXPDTA X-RAY DIFFRACTION AUTHOR P.CHARLIER,J.-P.WERY,O.DIDEBERG,J.-M.FRERE REVDAT 4 13-JUL-11 1LBU 1 VERSN REVDAT 3 24-FEB-09 1LBU 1 VERSN REVDAT 2 14-JUN-05 1LBU 1 AUTHOR JRNL REVDAT 1 08-NOV-96 1LBU 0 JRNL AUTH P.CHARLIER,J.-P.WERY,O.DIDEBERG,J.-M.FRERE JRNL TITL STREPTOMYCES ALBUS G D-ALA-A-ALA CARBOXYPEPTIDASE JRNL REF HANDBOOK OF METALLOPROTEINS V. 3 164 2004 JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.M.GHUYSEN,J.LAMOTTE-BRASSEUR,B.JORIS,G.D.SHOCKMAN REMARK 1 TITL BINDING SITE-SHAPED REPEATED SEQUENCES OF BACTERIAL WALL REMARK 1 TITL 2 PEPTIDOGLYCAN HYDROLASES REMARK 1 REF FEBS LETT. V. 342 23 1994 REMARK 1 REFN ISSN 0014-5793 REMARK 1 REFERENCE 2 REMARK 1 AUTH O.DIDEBERG,P.CHARLIER,G.DIVE,B.JORIS,J.M.FRERE,J.M.GHUYSEN REMARK 1 TITL STRUCTURE OF A ZN2+-CONTAINING D-ALANYL-D-ALANINE-CLEAVING REMARK 1 TITL 2 CARBOXYPEPTIDASE AT 2.5 A RESOLUTION REMARK 1 REF NATURE V. 299 469 1982 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 84.0 REMARK 3 NUMBER OF REFLECTIONS : 12633 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1555 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 229 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.016 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.034 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL 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) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 AMINO ACIDS 43 - 109 ARE SIMILAR TO AMINO ACIDS 194 - 261 REMARK 3 OF B. SUBTILIS AUTOLYSIN. REMARK 4 REMARK 4 1LBU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15460 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 43.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 24.85000 REMARK 290 SMTRY3 2 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 400 REMARK 400 COMPOUND REMARK 400 MURAMOYL-PENTAPEPTIDE CARBOXYPEPTIDASE HYDROLYSES INSOLUBLE REMARK 400 PEPTIDOGLYCAN CLEAVAGE OF UDP-N-ACETYLMURAMOYL-L-ALANYL-D- REMARK 400 GAMMA-GLUTAMYL-CARBOXY-L-LYSYL-D-ALANYL-|-D-ALANINE. 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 ASP A 1 CG OD1 OD2 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 GLY A 2 N - CA - C ANGL. DEV. = 20.4 DEGREES REMARK 500 ARG A 25 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 TYR A 29 CB - CG - CD2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ASP A 39 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG A 52 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 52 NE - CZ - NH2 ANGL. DEV. = -5.0 DEGREES REMARK 500 TYR A 74 CB - CG - CD2 ANGL. DEV. = -3.8 DEGREES REMARK 500 TYR A 88 CB - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 TYR A 88 CB - CG - CD1 ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 109 CD - NE - CZ ANGL. DEV. = 10.2 DEGREES REMARK 500 ARG A 109 NE - CZ - NH1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ARG A 109 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG A 138 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ASP A 194 CB - CA - C ANGL. DEV. = 19.1 DEGREES REMARK 500 ASP A 194 CA - C - O ANGL. DEV. = 14.7 DEGREES REMARK 500 ASP A 194 O - C - N ANGL. DEV. = -14.8 DEGREES REMARK 500 ARG A 204 CD - NE - CZ ANGL. DEV. = 12.1 DEGREES REMARK 500 ARG A 204 NE - CZ - NH1 ANGL. DEV. = 4.2 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 CYS A 81 -7.67 83.86 REMARK 500 CYS A 94 -76.07 -95.92 REMARK 500 ASP A 97 -4.50 -149.02 REMARK 500 SER A 152 124.45 -24.50 REMARK 500 PRO A 187 121.05 -33.96 REMARK 500 HIS A 195 158.76 167.72 REMARK 500 ALA A 208 68.06 -158.94 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 HIS A 179 25.0 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 338 DISTANCE = 5.10 ANGSTROMS REMARK 525 HOH A 432 DISTANCE = 5.40 ANGSTROMS 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 ZN A 214 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 154 NE2 REMARK 620 2 ASP A 161 OD1 105.7 REMARK 620 3 HIS A 197 ND1 102.1 113.3 REMARK 620 4 HOH A 234 O 121.9 115.4 97.6 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE ACTIVE SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 214 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE FIRST AMINO ACID OF THE NATIVE PROTEIN IS ASP 1 WHICH REMARK 999 IS PARTIALLY BLOCKED IN THIS STRUCTURE AS A RESULT OF THE REMARK 999 CYCLIZATION OF THE FIRST TWO AMINO ACIDS INTO REMARK 999 ANHYDROASPARTYLGLYCINE. DBREF 1LBU A 1 213 UNP P00733 CBPM_STRAL 43 255 SEQRES 1 A 213 ASP GLY CYS TYR THR TRP SER GLY THR LEU SER GLU GLY SEQRES 2 A 213 SER SER GLY GLU ALA VAL ARG GLN LEU GLN ILE ARG VAL SEQRES 3 A 213 ALA GLY TYR PRO GLY THR GLY ALA GLN LEU ALA ILE ASP SEQRES 4 A 213 GLY GLN PHE GLY PRO ALA THR LYS ALA ALA VAL GLN ARG SEQRES 5 A 213 PHE GLN SER ALA TYR GLY LEU ALA ALA ASP GLY ILE ALA SEQRES 6 A 213 GLY PRO ALA THR PHE ASN LYS ILE TYR GLN LEU GLN ASP SEQRES 7 A 213 ASP ASP CYS THR PRO VAL ASN PHE THR TYR ALA GLU LEU SEQRES 8 A 213 ASN ARG CYS ASN SER ASP TRP SER GLY GLY LYS VAL SER SEQRES 9 A 213 ALA ALA THR ALA ARG ALA ASN ALA LEU VAL THR MET TRP SEQRES 10 A 213 LYS LEU GLN ALA MET ARG HIS ALA MET GLY ASP LYS PRO SEQRES 11 A 213 ILE THR VAL ASN GLY GLY PHE ARG SER VAL THR CYS ASN SEQRES 12 A 213 SER ASN VAL GLY GLY ALA SER ASN SER ARG HIS MET TYR SEQRES 13 A 213 GLY HIS ALA ALA ASP LEU GLY ALA GLY SER GLN GLY PHE SEQRES 14 A 213 CYS ALA LEU ALA GLN ALA ALA ARG ASN HIS GLY PHE THR SEQRES 15 A 213 GLU ILE LEU GLY PRO GLY TYR PRO GLY HIS ASN ASP HIS SEQRES 16 A 213 THR HIS VAL ALA GLY GLY ASP GLY ARG PHE TRP SER ALA SEQRES 17 A 213 PRO SER CYS GLY ILE HET ZN A 214 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *229(H2 O) HELIX 1 1 GLU A 17 ARG A 25 1 9 HELIX 2 2 ALA A 27 TYR A 29 5 3 HELIX 3 3 PRO A 44 TYR A 57 1 14 HELIX 4 4 PRO A 67 LEU A 76 1 10 HELIX 5 5 ALA A 89 LEU A 91 5 3 HELIX 6 6 ALA A 105 ALA A 125 1 21 HELIX 7 7 VAL A 140 VAL A 146 1 7 HELIX 8 8 ARG A 153 TYR A 156 5 4 HELIX 9 9 PHE A 169 ASN A 178 1 10 HELIX 10 10 PRO A 209 CYS A 211 5 3 SHEET 1 A 4 ALA A 159 LEU A 162 0 SHEET 2 A 4 THR A 196 ALA A 199 -1 N VAL A 198 O ALA A 160 SHEET 3 A 4 GLU A 183 LEU A 185 -1 N LEU A 185 O HIS A 197 SHEET 4 A 4 PHE A 205 SER A 207 1 N PHE A 205 O ILE A 184 SSBOND 1 CYS A 3 CYS A 81 1555 1555 1.94 SSBOND 2 CYS A 94 CYS A 142 1555 1555 2.03 SSBOND 3 CYS A 170 CYS A 211 1555 1555 1.96 LINK ZN ZN A 214 NE2 HIS A 154 1555 1555 2.15 LINK ZN ZN A 214 OD1 ASP A 161 1555 1555 1.99 LINK ZN ZN A 214 ND1 HIS A 197 1555 1555 2.15 LINK ZN ZN A 214 O HOH A 234 1555 1555 2.12 SITE 1 CAT 4 HIS A 154 ASP A 161 HIS A 197 ZN A 214 SITE 1 AC1 4 HIS A 154 ASP A 161 HIS A 197 HOH A 234 CRYST1 51.080 49.700 38.650 90.00 100.60 90.00 P 1 21 1 2 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 0.019577 0.000000 0.003664 0.00000 SCALE2 0.000000 0.020121 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026322 0.00000