HEADER HYDROLASE 19-JUN-02 1H0E OBSLTE 06-FEB-04 1H0E 1UN4 TITLE STRUCTURE OF T80A HANG MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANGIOGENIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RIBONUCLEASE 5, RNASE 5; COMPND 5 EC: 3.1.27.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI KEYWDS ANGIOGENIN, RIBONUCLEASE, HYDROLASE, NUCLEASE, ENDONUCLEASE, KEYWDS 2 ANGIOGENESIS, PROTEIN SYNTHESIS INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR G.B.CHAVALI,K.R.ACHARYA REVDAT 2 06-FEB-04 1H0E 1 OBSLTE REVDAT 1 26-JUN-03 1H0E 0 JRNL AUTH G.B.CHAVALI,K.R.ACHARYA JRNL TITL STRUCTURAL ANALYSIS OF PYRIMIDINE BINDING SITE OF JRNL TITL 2 MAMMALIAN RIBONUCLEASES WITH AID OF T44D AND T80A JRNL TITL 3 HANG MUTANTS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.D.LEONIDAS,R.SHAPIRO,S.C.ALLEN,G.V.SUBBARAO, REMARK 1 AUTH 2 K.VELOURAJA,K.R.ACHARYA REMARK 1 TITL REFINED CRYSTAL STRUCTURES OF NATIVE HUMAN REMARK 1 TITL 2 ANGIOGENIN AND TWO ACTIVE SITE VARIANTS: REMARK 1 TITL 3 IMPLICATIONS FOR THE UNIQUE FUNCTIONAL PROPERTIES REMARK 1 TITL 4 OF AN ENZYME INVOLVED IN NEOVASCULARISATION DURING REMARK 1 TITL 5 TUMOUR GROWTH REMARK 1 REF J.MOL.BIOL. V. 285 1209 1999 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 7918 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) : 0.211 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.300 REMARK 3 FREE R VALUE TEST SET COUNT : 497 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1195 REMARK 3 BIN R VALUE (WORKING SET) : 0.2290 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 74 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 : 975 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 53 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.59000 REMARK 3 B22 (A**2) : -3.22000 REMARK 3 B33 (A**2) : 6.81000 REMARK 3 B12 (A**2) : 0.00000 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : 0.33 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.11 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.94 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : CITRATE.PAR 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 : CITRATE.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED. RESIDUES 1 REMARK 3 AND 123 WERE DISORDERED AND WERE NOT ADDED TO THE FILE. CHAIN REMARK 3 A CONTAINS AN ENGINEERED MUTATION: THR-A80-ALA REMARK 4 REMARK 4 1H0E COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY EBI ON 19-JUN-2002. REMARK 100 THE EBI ID CODE IS EBI-11010. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-JAN-2001 REMARK 200 TEMPERATURE (KELVIN) : 287.0 REMARK 200 PH : 5.20 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 BEAMLINE PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.87 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7942 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 0.1360 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.23300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1B1I REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.2 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 1/2-X,1/2+Y,-Z REMARK 290 4555 1/2+X,1/2-Y,-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 43.27450 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.14850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 43.27450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 19.14850 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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 APPLY THE FOLLOWING TO CHAINS: A, Z 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 TRNA-SPECIFIC RIBONUCLEASE THAT BINDS TO ACTIN ON THE REMARK 400 SURFACE OF ENDOTHELIAL CELLS. REMARK 400 REMARK 400 ENGINEERED MUTATION THR 104 ALA 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 PCA 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 PRO A 123 CA C O CB CG CD 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),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 30 SD MET A 30 CE 0.049 REMARK 500 ARG A 122 C PRO A 123 N -0.087 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 HIS A 13 N - CA - C ANGL. DEV. = 9.4 DEGREES REMARK 500 THR A 36 N - CA - C ANGL. DEV. = 8.2 DEGREES REMARK 500 GLN A 77 N - CA - C ANGL. DEV. = -8.5 DEGREES REMARK 500 ALA A 106 N - CA - C ANGL. DEV. = -9.4 DEGREES REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CIT REMARK 800 SITE_DESCRIPTION: CIT BINDING SITE FOR CHAIN A REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1A4Y RELATED DB: PDB REMARK 900 RIBONUCLEASE INHIBITOR-ANGIOGENIN COMPLEX REMARK 900 RELATED ID: 1ANG RELATED DB: PDB REMARK 900 ANGIOGENIN REMARK 900 RELATED ID: 1AWZ RELATED DB: PDB REMARK 900 3D SOLUTION STRUCTURE OF HUMAN ANGIOGENIN REMARK 900 DETERMINED BY 1H, 15N NMR SPECTROSCOPY, 30 REMARK 900 STRUCTURES REMARK 900 RELATED ID: 1B1E RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN VARIANT REMARK 900 K40Q REMARK 900 RELATED ID: 1B1I RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN REMARK 900 RELATED ID: 1B1J RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN VARIANT REMARK 900 H13A. REMARK 900 RELATED ID: 1GV7 RELATED DB: PDB REMARK 900 GUEST-HOST CROSSTALK IN AN ANGIOGENIN/RNASE REMARK 900 A CHIMERIC PROTEIN REMARK 900 RELATED ID: 1H0D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN IN COMPLEX REMARK 900 WITH FAB FRAGMENT OF ITS MONOCLONAL ANTIBODY REMARK 900 MAB 26-2F REMARK 900 RELATED ID: 1H0F RELATED DB: PDB REMARK 900 STRUCTURAL ANALYSIS OF PYRIMIDINE BINDING SITE IN REMARK 900 MAMMALIAN RIBONUCLEASES WITH AID OF T44D AND T80A REMARK 900 HANG MUTANTS REMARK 900 RELATED ID: 1H52 RELATED DB: PDB REMARK 900 BINDING OF PHOSPHATE AND PYROPHOSPHATE IONS REMARK 900 AT THE ACTIVE SITE OF HUMAN ANGIOGENIN AS REMARK 900 REVEALED BY X-RAY CRYSTALLOGRAPHY REMARK 900 RELATED ID: 1H53 RELATED DB: PDB REMARK 900 BINDING OF PHOSPHATE AND PYROPHOSPHATE IONS REMARK 900 AT THE ACTIVE SITE OF HUMAN ANGIOGENIN AS REMARK 900 REVEALED BY X-RAY CRYSTALLOGRAPHY REMARK 900 RELATED ID: 1HBY RELATED DB: PDB REMARK 900 BINDING OF PHOSPHATE AND PYROPHOSPHATE IONS REMARK 900 AT THE ACTIVE SITE OF HUMAN ANGIOGENIN AS REMARK 900 REVEALED BY X-RAY CRYSTALLOGRAPHY REMARK 900 RELATED ID: 1K58 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN VARIANT REMARK 900 D116H REMARK 900 RELATED ID: 1K59 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN VARIANT REMARK 900 Q117G REMARK 900 RELATED ID: 1K5A RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN DOUBLE REMARK 900 VARIANTI119A/F120A REMARK 900 RELATED ID: 1K5B RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN VARIANT REMARK 900 DES(121-123) REMARK 900 RELATED ID: 2ANG RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN OF THE REMARK 900 MET(-1) FORM REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE N-TERMINAL RESIDUE (PCA 1) IS A PYROGLUTAMYL RESIDUE. DBREF 1H0E A 1 123 UNP P03950 ANGI_HUMAN 25 147 SEQADV 1H0E ALA A 80 UNP P03950 THR 104 ENGINEERED MUTATION SEQRES 1 A 123 PCA ASP ASN SER ARG TYR THR HIS PHE LEU THR GLN HIS SEQRES 2 A 123 TYR ASP ALA LYS PRO GLN GLY ARG ASP ASP ARG TYR CYS SEQRES 3 A 123 GLU SER ILE MET ARG ARG ARG GLY LEU THR SER PRO CYS SEQRES 4 A 123 LYS ASP ILE ASN THR PHE ILE HIS GLY ASN LYS ARG SER SEQRES 5 A 123 ILE LYS ALA ILE CYS GLU ASN LYS ASN GLY ASN PRO HIS SEQRES 6 A 123 ARG GLU ASN LEU ARG ILE SER LYS SER SER PHE GLN VAL SEQRES 7 A 123 THR ALA CYS LYS LEU HIS GLY GLY SER PRO TRP PRO PRO SEQRES 8 A 123 CYS GLN TYR ARG ALA THR ALA GLY PHE ARG ASN VAL VAL SEQRES 9 A 123 VAL ALA CYS GLU ASN GLY LEU PRO VAL HIS LEU ASP GLN SEQRES 10 A 123 SER ILE PHE ARG ARG PRO HET CIT A1123 13 HETNAM CIT CITRIC ACID FORMUL 2 CIT C6 H8 O7 FORMUL 3 HOH *53(H2 O1) HELIX 1 1 ASN A 3 TYR A 14 1 12 HELIX 2 2 ASP A 22 ARG A 33 1 12 HELIX 3 3 ASN A 49 ALA A 55 1 7 HELIX 4 4 ILE A 56 GLU A 58 5 3 HELIX 5 5 GLN A 117 ARG A 121 5 5 SHEET 1 AA 3 ILE A 42 ILE A 46 0 SHEET 2 AA 3 PHE A 76 HIS A 84 -1 O THR A 79 N PHE A 45 SHEET 3 AA 3 GLN A 93 ARG A 101 -1 O GLN A 93 N HIS A 84 SHEET 1 AB 4 GLY A 62 HIS A 65 0 SHEET 2 AB 4 LEU A 69 SER A 72 -1 O LEU A 69 N HIS A 65 SHEET 3 AB 4 VAL A 104 GLU A 108 -1 O VAL A 105 N ARG A 70 SHEET 4 AB 4 LEU A 111 LEU A 115 -1 O LEU A 111 N GLU A 108 SSBOND 1 CYS A 26 CYS A 81 SSBOND 2 CYS A 39 CYS A 92 SSBOND 3 CYS A 57 CYS A 107 CISPEP 1 SER A 37 PRO A 38 0 -0.12 CISPEP 2 PRO A 90 PRO A 91 0 0.06 SITE 1 CIT 7 ILE A 71 ALA A 98 GLY A 99 PHE A 100 SITE 2 CIT 7 ARG A 101 ARG A 122 HOH Z 52 CRYST1 86.549 38.297 39.043 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 0.011554 0.000000 0.000000 0.00000 SCALE2 0.000000 0.026112 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025613 0.00000