HEADER HYDROLASE (C-TERMINAL PEPTIDASE) 24-MAR-82 4CPA TITLE REFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF TITLE 2 CARBOXYPEPTIDASE A AT 2.5 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBOXYPEPTIDASE A; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.4.17.1; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: METALLOCARBOXYPEPTIDASE INHIBITOR; COMPND 8 CHAIN: I, J; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: SOLANUM TUBEROSUM; SOURCE 7 ORGANISM_COMMON: POTATO; SOURCE 8 ORGANISM_TAXID: 4113 KEYWDS HYDROLASE (C-TERMINAL PEPTIDASE) EXPDTA X-RAY DIFFRACTION AUTHOR W.N.LIPSCOMB,D.C.REES REVDAT 11 27-SEP-23 4CPA 1 REMARK SEQADV SSBOND LINK REVDAT 11 2 1 SCALE MTRIX ATOM REVDAT 10 29-NOV-17 4CPA 1 HELIX REVDAT 9 13-JUL-11 4CPA 1 VERSN REVDAT 8 24-FEB-09 4CPA 1 VERSN REVDAT 7 01-APR-03 4CPA 1 JRNL REVDAT 6 22-OCT-84 4CPA 1 SEQRES REVDAT 5 27-OCT-83 4CPA 1 REMARK REVDAT 4 30-SEP-83 4CPA 1 REVDAT REVDAT 3 07-MAR-83 4CPA 3 SEQRES ATOM TER REVDAT 2 03-DEC-82 4CPA 1 JRNL REVDAT 1 29-JUL-82 4CPA 0 SPRSDE 29-JUL-83 4CPA 1CPA JRNL AUTH D.C.REES,W.N.LIPSCOMB JRNL TITL REFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF JRNL TITL 2 CARBOXYPEPTIDASE A AT 2.5 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 160 475 1982 JRNL REFN ISSN 0022-2836 JRNL PMID 7154070 JRNL DOI 10.1016/0022-2836(82)90309-6 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.C.REES,M.LEWIS,W.N.LIPSCOMB REMARK 1 TITL REFINED CRYSTAL STRUCTURE OF CARBOXYPEPTIDASE A AT 1.54 REMARK 1 TITL 2 ANGSTROMS RESOLUTION. REMARK 1 REF J.MOL.BIOL. V. 168 367 1983 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.C.REES,W.N.LIPSCOMB REMARK 1 TITL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF REMARK 1 TITL 2 CARBOXYPEPTIDASE A AT 2.5-ANGSTROMS RESOLUTION REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 77 4633 1980 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 3 REMARK 1 AUTH D.C.REES,W.N.LIPSCOMB REMARK 1 TITL STRUCTURE OF POTATO INHIBITOR COMPLEX OF CARBOXYPEPTIDASE A REMARK 1 TITL 2 AT 5.5-ANGSTROMS RESOLUTION REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 77 277 1980 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : NULL 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 : 5444 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 0 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) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; 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: NULL REMARK 4 REMARK 4 4CPA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179288. 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 : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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 (%): 46.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,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 145.66667 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 72.83333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 300 REMARK: THERE ARE TWO COPIES OF THE CPA-CPI COMPLEX IN THE REMARK 300 ASYMMETRIC UNIT. THE SECOND COPY MAY BE GENERATED FROM REMARK 300 THIS ENTRY BY APPLYING THE TRANSFORMATION GIVEN BY THE REMARK 300 *MTRIX* RECORDS BELOW. 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: 1550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13330 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -42.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, I 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 REMARK 350 BIOMOLECULE: 2 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: 1550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -42.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, J 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 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 GLX I 1 REMARK 465 GLX J 1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 OD2 ASP I 5 O ALA I 21 1.92 REMARK 500 OD2 ASP J 5 O ALA J 21 1.92 REMARK 500 O ALA J 21 N PHE J 23 1.97 REMARK 500 O ALA I 21 N PHE I 23 1.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 302 CD GLU A 302 OE2 0.099 REMARK 500 GLU B 302 CD GLU B 302 OE2 0.099 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 2 N - CA - CB ANGL. DEV. = 13.3 DEGREES REMARK 500 ARG A 2 CA - CB - CG ANGL. DEV. = 52.2 DEGREES REMARK 500 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 THR A 11 CA - CB - OG1 ANGL. DEV. = 13.7 DEGREES REMARK 500 THR A 11 CA - CB - CG2 ANGL. DEV. = -9.9 DEGREES REMARK 500 GLU A 17 CG - CD - OE1 ANGL. DEV. = 16.0 DEGREES REMARK 500 GLU A 17 CG - CD - OE2 ANGL. DEV. = -15.5 DEGREES REMARK 500 TYR A 19 CB - CG - CD1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ASP A 20 CB - CG - OD1 ANGL. DEV. = 8.8 DEGREES REMARK 500 GLN A 28 O - C - N ANGL. DEV. = -10.0 DEGREES REMARK 500 ARG A 40 NE - CZ - NH1 ANGL. DEV. = 11.1 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -7.0 DEGREES REMARK 500 TYR A 42 CA - CB - CG ANGL. DEV. = -12.6 DEGREES REMARK 500 ARG A 45 NE - CZ - NH1 ANGL. DEV. = -6.4 DEGREES REMARK 500 ARG A 45 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 59 NH1 - CZ - NH2 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG A 59 NE - CZ - NH1 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG A 59 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ASP A 65 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 71 NE - CZ - NH1 ANGL. DEV. = -7.6 DEGREES REMARK 500 ARG A 71 NE - CZ - NH2 ANGL. DEV. = 7.7 DEGREES REMARK 500 TYR A 90 CB - CG - CD2 ANGL. DEV. = 3.9 DEGREES REMARK 500 TYR A 90 CB - CG - CD1 ANGL. DEV. = -4.4 DEGREES REMARK 500 PHE A 96 N - CA - CB ANGL. DEV. = 12.5 DEGREES REMARK 500 ASP A 101 CB - CG - OD1 ANGL. DEV. = 11.0 DEGREES REMARK 500 ASP A 104 CB - CG - OD2 ANGL. DEV. = -7.9 DEGREES REMARK 500 PHE A 116 CB - CG - CD1 ANGL. DEV. = -5.2 DEGREES REMARK 500 GLU A 122 OE1 - CD - OE2 ANGL. DEV. = -7.5 DEGREES REMARK 500 ARG A 124 CD - NE - CZ ANGL. DEV. = 11.7 DEGREES REMARK 500 ARG A 124 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 127 CB - CG - CD ANGL. DEV. = 21.7 DEGREES REMARK 500 ARG A 127 NH1 - CZ - NH2 ANGL. DEV. = -16.7 DEGREES REMARK 500 ARG A 127 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 127 NE - CZ - NH2 ANGL. DEV. = 12.5 DEGREES REMARK 500 ARG A 130 NH1 - CZ - NH2 ANGL. DEV. = -10.3 DEGREES REMARK 500 ARG A 130 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG A 130 NE - CZ - NH2 ANGL. DEV. = 5.3 DEGREES REMARK 500 THR A 133 CB - CA - C ANGL. DEV. = -19.7 DEGREES REMARK 500 THR A 133 N - CA - CB ANGL. DEV. = 13.7 DEGREES REMARK 500 THR A 133 O - C - N ANGL. DEV. = 9.8 DEGREES REMARK 500 SER A 136 CA - C - O ANGL. DEV. = 14.3 DEGREES REMARK 500 SER A 136 O - C - N ANGL. DEV. = -11.2 DEGREES REMARK 500 LEU A 137 C - N - CA ANGL. DEV. = 48.0 DEGREES REMARK 500 LEU A 137 N - CA - CB ANGL. DEV. = -12.5 DEGREES REMARK 500 LEU A 137 CA - C - O ANGL. DEV. = 13.5 DEGREES REMARK 500 CYS A 138 C - N - CA ANGL. DEV. = 20.8 DEGREES REMARK 500 ARG A 145 CD - NE - CZ ANGL. DEV. = 12.2 DEGREES REMARK 500 ARG A 145 NE - CZ - NH2 ANGL. DEV. = 4.7 DEGREES REMARK 500 ASP A 148 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 CYS A 161 CA - CB - SG ANGL. DEV. = -13.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 220 ANGLE DEVIATIONS. 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 SER A 41 -179.53 -63.82 REMARK 500 GLU A 43 35.69 -93.73 REMARK 500 SER A 57 -108.33 -56.79 REMARK 500 GLN A 92 -60.26 -97.93 REMARK 500 SER A 102 -32.55 -136.24 REMARK 500 GLU A 122 -71.60 -134.77 REMARK 500 THR A 133 141.10 76.19 REMARK 500 SER A 134 170.68 132.43 REMARK 500 ALA A 149 82.93 -156.35 REMARK 500 ASN A 171 10.62 57.78 REMARK 500 SER A 199 -12.76 143.42 REMARK 500 GLN A 200 77.49 61.39 REMARK 500 ASP A 215 20.48 -75.15 REMARK 500 ILE A 247 -74.73 -120.57 REMARK 500 ASP A 273 -160.50 -47.86 REMARK 500 ALA I 4 -87.71 171.36 REMARK 500 LYS I 13 -18.14 -162.16 REMARK 500 CYS I 18 61.06 -109.24 REMARK 500 SER I 19 -76.71 -19.99 REMARK 500 TRP I 22 -39.10 52.33 REMARK 500 PHE I 23 -85.62 -104.87 REMARK 500 ASN I 29 46.06 -82.88 REMARK 500 SER I 30 12.66 -168.52 REMARK 500 ALA I 31 42.27 -175.62 REMARK 500 ARG I 32 73.42 -35.86 REMARK 500 SER B 41 -179.51 -63.85 REMARK 500 GLU B 43 35.67 -93.79 REMARK 500 SER B 57 -108.29 -56.83 REMARK 500 GLN B 92 -60.27 -97.93 REMARK 500 SER B 102 -32.58 -136.30 REMARK 500 GLU B 122 -71.62 -134.87 REMARK 500 THR B 133 141.02 76.27 REMARK 500 SER B 134 170.67 132.49 REMARK 500 ALA B 149 82.88 -156.37 REMARK 500 ASN B 171 10.62 57.77 REMARK 500 SER B 199 -12.86 143.47 REMARK 500 GLN B 200 77.46 61.46 REMARK 500 ASP B 215 20.40 -75.07 REMARK 500 ILE B 247 -74.72 -120.59 REMARK 500 ASP B 273 -160.52 -47.92 REMARK 500 ALA J 4 -87.76 171.32 REMARK 500 LYS J 13 -18.10 -162.18 REMARK 500 CYS J 18 61.04 -109.17 REMARK 500 SER J 19 -76.78 -19.94 REMARK 500 TRP J 22 -39.14 52.35 REMARK 500 PHE J 23 -85.68 -104.81 REMARK 500 ASN J 29 46.02 -82.89 REMARK 500 SER J 30 12.64 -168.51 REMARK 500 ALA J 31 42.31 -175.70 REMARK 500 ARG J 32 73.49 -35.90 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 ARG A 272 ASP A 273 -33.13 REMARK 500 ARG B 272 ASP B 273 -33.06 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 ARG A 2 0.27 SIDE CHAIN REMARK 500 ARG A 40 0.14 SIDE CHAIN REMARK 500 ARG A 59 0.11 SIDE CHAIN REMARK 500 ARG A 71 0.09 SIDE CHAIN REMARK 500 ARG A 127 0.34 SIDE CHAIN REMARK 500 ARG A 145 0.19 SIDE CHAIN REMARK 500 ARG A 272 0.15 SIDE CHAIN REMARK 500 ARG A 276 0.35 SIDE CHAIN REMARK 500 ARG I 32 0.12 SIDE CHAIN REMARK 500 ARG B 2 0.27 SIDE CHAIN REMARK 500 ARG B 40 0.14 SIDE CHAIN REMARK 500 ARG B 59 0.11 SIDE CHAIN REMARK 500 ARG B 71 0.09 SIDE CHAIN REMARK 500 ARG B 127 0.34 SIDE CHAIN REMARK 500 ARG B 145 0.18 SIDE CHAIN REMARK 500 ARG B 272 0.15 SIDE CHAIN REMARK 500 ARG B 276 0.35 SIDE CHAIN REMARK 500 ARG J 32 0.12 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 SER A 135 10.23 REMARK 500 TYR A 238 -11.58 REMARK 500 ILE A 247 10.49 REMARK 500 GLX I 2 10.73 REMARK 500 ALA I 31 13.37 REMARK 500 SER B 135 10.22 REMARK 500 TYR B 238 -11.55 REMARK 500 ILE B 247 10.42 REMARK 500 GLX J 2 10.72 REMARK 500 ALA J 31 13.33 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 ZN I 308 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 69 ND1 REMARK 620 2 GLU A 72 OE1 100.7 REMARK 620 3 GLU A 72 OE2 85.2 54.8 REMARK 620 4 HIS A 196 ND1 100.3 82.7 137.3 REMARK 620 5 VAL I 38 O 139.0 106.2 85.7 113.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN J 309 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 69 ND1 REMARK 620 2 GLU B 72 OE2 85.2 REMARK 620 3 GLU B 72 OE1 100.7 54.8 REMARK 620 4 HIS B 196 ND1 100.3 137.3 82.7 REMARK 620 5 VAL J 38 O 139.0 85.7 106.2 113.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN I 308 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN J 309 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY A 308 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY B 308 DBREF 4CPA A 1 307 UNP P00730 CBPA_BOVIN 111 417 DBREF 4CPA I 3 38 UNP P01075 MCPI_SOLTU 3 38 DBREF 4CPA B 1 307 UNP P00730 CBPA_BOVIN 111 417 DBREF 4CPA J 3 38 UNP P01075 MCPI_SOLTU 3 38 SEQADV 4CPA GLN A 28 UNP P00730 GLU 138 CONFLICT SEQADV 4CPA GLU A 31 UNP P00730 GLN 141 CONFLICT SEQADV 4CPA ASN A 89 UNP P00730 ASP 199 CONFLICT SEQADV 4CPA ASN A 93 UNP P00730 ASP 203 CONFLICT SEQADV 4CPA ASN A 114 UNP P00730 ASP 224 CONFLICT SEQADV 4CPA GLU A 122 UNP P00730 GLN 232 CONFLICT SEQADV 4CPA ASN A 185 UNP P00730 ASP 295 CONFLICT SEQADV 4CPA ALA A 228 UNP P00730 GLU 338 CONFLICT SEQADV 4CPA VAL A 305 UNP P00730 LEU 415 CONFLICT SEQADV 4CPA GLN B 28 UNP P00730 GLU 138 CONFLICT SEQADV 4CPA GLU B 31 UNP P00730 GLN 141 CONFLICT SEQADV 4CPA ASN B 89 UNP P00730 ASP 199 CONFLICT SEQADV 4CPA ASN B 93 UNP P00730 ASP 203 CONFLICT SEQADV 4CPA ASN B 114 UNP P00730 ASP 224 CONFLICT SEQADV 4CPA GLU B 122 UNP P00730 GLN 232 CONFLICT SEQADV 4CPA ASN B 185 UNP P00730 ASP 295 CONFLICT SEQADV 4CPA ALA B 228 UNP P00730 GLU 338 CONFLICT SEQADV 4CPA VAL B 305 UNP P00730 LEU 415 CONFLICT SEQRES 1 A 307 ALA ARG SER THR ASN THR PHE ASN TYR ALA THR TYR HIS SEQRES 2 A 307 THR LEU ASP GLU ILE TYR ASP PHE MET ASP LEU LEU VAL SEQRES 3 A 307 ALA GLN HIS PRO GLU LEU VAL SER LYS LEU GLN ILE GLY SEQRES 4 A 307 ARG SER TYR GLU GLY ARG PRO ILE TYR VAL LEU LYS PHE SEQRES 5 A 307 SER THR GLY GLY SER ASN ARG PRO ALA ILE TRP ILE ASP SEQRES 6 A 307 LEU GLY ILE HIS SER ARG GLU TRP ILE THR GLN ALA THR SEQRES 7 A 307 GLY VAL TRP PHE ALA LYS LYS PHE THR GLU ASN TYR GLY SEQRES 8 A 307 GLN ASN PRO SER PHE THR ALA ILE LEU ASP SER MET ASP SEQRES 9 A 307 ILE PHE LEU GLU ILE VAL THR ASN PRO ASN GLY PHE ALA SEQRES 10 A 307 PHE THR HIS SER GLU ASN ARG LEU TRP ARG LYS THR ARG SEQRES 11 A 307 SER VAL THR SER SER SER LEU CYS VAL GLY VAL ASP ALA SEQRES 12 A 307 ASN ARG ASN TRP ASP ALA GLY PHE GLY LYS ALA GLY ALA SEQRES 13 A 307 SER SER SER PRO CYS SER GLU THR TYR HIS GLY LYS TYR SEQRES 14 A 307 ALA ASN SER GLU VAL GLU VAL LYS SER ILE VAL ASP PHE SEQRES 15 A 307 VAL LYS ASN HIS GLY ASN PHE LYS ALA PHE LEU SER ILE SEQRES 16 A 307 HIS SER TYR SER GLN LEU LEU LEU TYR PRO TYR GLY TYR SEQRES 17 A 307 THR THR GLN SER ILE PRO ASP LYS THR GLU LEU ASN GLN SEQRES 18 A 307 VAL ALA LYS SER ALA VAL ALA ALA LEU LYS SER LEU TYR SEQRES 19 A 307 GLY THR SER TYR LYS TYR GLY SER ILE ILE THR THR ILE SEQRES 20 A 307 TYR GLN ALA SER GLY GLY SER ILE ASP TRP SER TYR ASN SEQRES 21 A 307 GLN GLY ILE LYS TYR SER PHE THR PHE GLU LEU ARG ASP SEQRES 22 A 307 THR GLY ARG TYR GLY PHE LEU LEU PRO ALA SER GLN ILE SEQRES 23 A 307 ILE PRO THR ALA GLN GLU THR TRP LEU GLY VAL LEU THR SEQRES 24 A 307 ILE MET GLU HIS THR VAL ASN ASN SEQRES 1 I 38 GLX GLX HIS ALA ASP PRO ILE CYS ASN LYS PRO CYS LYS SEQRES 2 I 38 THR HIS ASP ASP CYS SER GLY ALA TRP PHE CYS GLN ALA SEQRES 3 I 38 CYS TRP ASN SER ALA ARG THR CYS GLY PRO TYR VAL SEQRES 1 B 307 ALA ARG SER THR ASN THR PHE ASN TYR ALA THR TYR HIS SEQRES 2 B 307 THR LEU ASP GLU ILE TYR ASP PHE MET ASP LEU LEU VAL SEQRES 3 B 307 ALA GLN HIS PRO GLU LEU VAL SER LYS LEU GLN ILE GLY SEQRES 4 B 307 ARG SER TYR GLU GLY ARG PRO ILE TYR VAL LEU LYS PHE SEQRES 5 B 307 SER THR GLY GLY SER ASN ARG PRO ALA ILE TRP ILE ASP SEQRES 6 B 307 LEU GLY ILE HIS SER ARG GLU TRP ILE THR GLN ALA THR SEQRES 7 B 307 GLY VAL TRP PHE ALA LYS LYS PHE THR GLU ASN TYR GLY SEQRES 8 B 307 GLN ASN PRO SER PHE THR ALA ILE LEU ASP SER MET ASP SEQRES 9 B 307 ILE PHE LEU GLU ILE VAL THR ASN PRO ASN GLY PHE ALA SEQRES 10 B 307 PHE THR HIS SER GLU ASN ARG LEU TRP ARG LYS THR ARG SEQRES 11 B 307 SER VAL THR SER SER SER LEU CYS VAL GLY VAL ASP ALA SEQRES 12 B 307 ASN ARG ASN TRP ASP ALA GLY PHE GLY LYS ALA GLY ALA SEQRES 13 B 307 SER SER SER PRO CYS SER GLU THR TYR HIS GLY LYS TYR SEQRES 14 B 307 ALA ASN SER GLU VAL GLU VAL LYS SER ILE VAL ASP PHE SEQRES 15 B 307 VAL LYS ASN HIS GLY ASN PHE LYS ALA PHE LEU SER ILE SEQRES 16 B 307 HIS SER TYR SER GLN LEU LEU LEU TYR PRO TYR GLY TYR SEQRES 17 B 307 THR THR GLN SER ILE PRO ASP LYS THR GLU LEU ASN GLN SEQRES 18 B 307 VAL ALA LYS SER ALA VAL ALA ALA LEU LYS SER LEU TYR SEQRES 19 B 307 GLY THR SER TYR LYS TYR GLY SER ILE ILE THR THR ILE SEQRES 20 B 307 TYR GLN ALA SER GLY GLY SER ILE ASP TRP SER TYR ASN SEQRES 21 B 307 GLN GLY ILE LYS TYR SER PHE THR PHE GLU LEU ARG ASP SEQRES 22 B 307 THR GLY ARG TYR GLY PHE LEU LEU PRO ALA SER GLN ILE SEQRES 23 B 307 ILE PRO THR ALA GLN GLU THR TRP LEU GLY VAL LEU THR SEQRES 24 B 307 ILE MET GLU HIS THR VAL ASN ASN SEQRES 1 J 38 GLX GLX HIS ALA ASP PRO ILE CYS ASN LYS PRO CYS LYS SEQRES 2 J 38 THR HIS ASP ASP CYS SER GLY ALA TRP PHE CYS GLN ALA SEQRES 3 J 38 CYS TRP ASN SER ALA ARG THR CYS GLY PRO TYR VAL HET GLY A 308 5 HET ZN I 308 1 HET GLY B 308 5 HET ZN J 309 1 HETNAM GLY GLYCINE HETNAM ZN ZINC ION FORMUL 5 GLY 2(C2 H5 N O2) FORMUL 6 ZN 2(ZN 2+) HELIX 1 H1 THR A 14 GLN A 28 1AA 26-28 FORM ALPHA(II) HELIX 15 HELIX 2 H2 GLU A 72 GLU A 88 1 17 HELIX 3 H3 PRO A 94 MET A 103 1AA 100-103 FORM ALPHA(II) HLX 10 HELIX 4 H4 ASN A 112 GLU A 122 1CONTAINS ONLY 1-2 H-BONDS. 11 HELIX 5 H5 GLU A 173 GLY A 187 1 15 HELIX 6 H6 ASP A 215 LYS A 231 1 17 HELIX 7 H7 SER A 254 GLY A 262 1AA 260-262 FORM ALPHA(II) HLX 9 HELIX 8 H8 GLN A 285 ASN A 306 1 22 HELIX 9 H9 THR B 14 GLN B 28 1AA 26-28 FORM ALPHA(II) HELIX 15 HELIX 10 H10 GLU B 72 GLU B 88 1 17 HELIX 11 H11 PRO B 94 MET B 103 1AA 100-103 FORM ALPHA(II) HLX 10 HELIX 12 H12 ASN B 112 GLU B 122 1CONTAINS ONLY 1-2 H-BONDS. 11 HELIX 13 H13 GLU B 173 GLY B 187 1 15 HELIX 14 H14 ASP B 215 LYS B 231 1 17 HELIX 15 H15 SER B 254 GLY B 262 1AA 260-262 FORM ALPHA(II) HLX 9 HELIX 16 H16 GLN B 285 ASN B 306 1 22 SHEET 1 S1 8 LEU A 32 LEU A 36 0 SHEET 2 S1 8 VAL A 49 SER A 53 -1 N LYS A 51 O SER A 34 SHEET 3 S1 8 ASP A 104 ILE A 109 -1 N LEU A 107 O LEU A 50 SHEET 4 S1 8 PRO A 60 LEU A 66 1 N ILE A 64 O PHE A 106 SHEET 5 S1 8 LYS A 190 HIS A 196 1 N LEU A 193 O TRP A 63 SHEET 6 S1 8 TYR A 265 LEU A 271 1 N PHE A 269 O SER A 194 SHEET 7 S1 8 GLN A 200 TYR A 204 -1 N LEU A 203 O THR A 268 SHEET 8 S1 8 LYS A 239 GLY A 241 1 N GLY A 241 O LEU A 202 SHEET 1 S2 8 LEU B 32 LEU B 36 0 SHEET 2 S2 8 VAL B 49 SER B 53 -1 N LYS B 51 O SER B 34 SHEET 3 S2 8 ASP B 104 ILE B 109 -1 N LEU B 107 O LEU B 50 SHEET 4 S2 8 PRO B 60 LEU B 66 1 N ILE B 64 O PHE B 106 SHEET 5 S2 8 LYS B 190 HIS B 196 1 N LEU B 193 O TRP B 63 SHEET 6 S2 8 TYR B 265 LEU B 271 1 N PHE B 269 O SER B 194 SHEET 7 S2 8 GLN B 200 TYR B 204 -1 N LEU B 203 O THR B 268 SHEET 8 S2 8 LYS B 239 GLY B 241 1 N GLY B 241 O LEU B 202 SSBOND 1 CYS A 138 CYS A 161 1555 1555 1.99 SSBOND 2 CYS I 8 CYS I 24 1555 1555 1.97 SSBOND 3 CYS I 12 CYS I 27 1555 1555 1.95 SSBOND 4 CYS I 18 CYS I 34 1555 1555 1.99 SSBOND 5 CYS B 138 CYS B 161 1555 1555 1.99 SSBOND 6 CYS J 8 CYS J 24 1555 1555 1.97 SSBOND 7 CYS J 12 CYS J 27 1555 1555 1.95 SSBOND 8 CYS J 18 CYS J 34 1555 1555 1.99 LINK ND1 HIS A 69 ZN ZN I 308 1555 1555 2.23 LINK OE1 GLU A 72 ZN ZN I 308 1555 1555 2.60 LINK OE2 GLU A 72 ZN ZN I 308 1555 1555 2.00 LINK ND1 HIS A 196 ZN ZN I 308 1555 1555 2.26 LINK O VAL I 38 ZN ZN I 308 1555 1555 1.74 LINK ND1 HIS B 69 ZN ZN J 309 1555 1555 2.23 LINK OE2 GLU B 72 ZN ZN J 309 1555 1555 2.00 LINK OE1 GLU B 72 ZN ZN J 309 1555 1555 2.60 LINK ND1 HIS B 196 ZN ZN J 309 1555 1555 2.25 LINK O VAL J 38 ZN ZN J 309 1555 1555 1.74 CISPEP 1 SER A 197 TYR A 198 0 -1.89 CISPEP 2 PRO A 205 TYR A 206 0 0.15 CISPEP 3 SER B 197 TYR B 198 0 -1.84 CISPEP 4 PRO B 205 TYR B 206 0 0.12 SITE 1 AC1 4 HIS A 69 GLU A 72 HIS A 196 VAL I 38 SITE 1 AC2 4 HIS B 69 GLU B 72 HIS B 196 VAL J 38 SITE 1 AC3 7 HIS A 69 ASN A 144 ARG A 145 ILE A 247 SITE 2 AC3 7 TYR A 248 GLU A 270 VAL I 38 SITE 1 AC4 7 HIS B 69 ASN B 144 ARG B 145 ILE B 247 SITE 2 AC4 7 TYR B 248 GLU B 270 VAL J 38 CRYST1 53.450 53.450 218.500 90.00 90.00 120.00 P 32 6 ORIGX1 0.866017 0.499971 0.000000 0.00000 ORIGX2 -0.499971 0.865999 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.018709 0.010802 0.000000 0.00000 SCALE2 0.000000 0.021603 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004577 0.00000 MTRIX1 1 -0.500272 0.865852 -0.005458 -2.12867 1 MTRIX2 1 0.865888 0.500272 -0.008347 1.21100 1 MTRIX3 1 -0.004438 -0.008913 -0.999500 -0.33400 1