HEADER HYDROLASE (NUCLEIC ACID,RNA) 30-OCT-81 1RN3 OBSLTE 15-OCT-91 1RN3 3RN3 TITLE RIBONUCLEASE-*A. LEAST-*SQUARES REFINEMENT OF THE STRUCTURE TITLE 2 AT 1.45 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE:; COMPND 3 CHAIN: NULL; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1 KEYWDS HYDROLASE (NUCLEIC ACID,RNA) EXPDTA X-RAY DIFFRACTION AUTHOR N.BORKAKOTI,D.S.MOSS,R.A.PALMER REVDAT 8 15-OCT-91 1RN3 3 OBSLTE REVDAT 7 15-OCT-89 1RN3 1 COMPND REVDAT 6 15-JAN-87 1RN3 1 SOURCE REMARK REVDAT 5 06-DEC-83 1RN3 1 REMARK REVDAT 4 27-OCT-83 1RN3 1 REMARK REVDAT 3 30-SEP-83 1RN3 1 REVDAT REVDAT 2 23-SEP-82 1RN3 1 JRNL REVDAT 1 03-FEB-82 1RN3 0 JRNL AUTH N.BORKAKOTI,D.S.MOSS,R.A.PALMER JRNL TITL RIBONUCLEASE-A. LEAST-SQUARES REFINEMENT OF THE JRNL TITL 2 STRUCTURE AT 1.45 ANGSTROMS RESOLUTION JRNL REF ACTA CRYSTALLOGR.,SECT.B V. 38 2210 1982 JRNL REFN ASTM ACBCAR DK ISSN 0567-7408 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.WLODAWER,N.BORKAKOTI,D.S.MOSS,B.HOWLIN REMARK 1 TITL COMPARISON OF TWO INDEPENDENTLY REFINED MODELS OF REMARK 1 TITL 2 RIBONUCLEASE-A REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 42 379 1986 REMARK 1 REFN ASTM ASBSDK DK ISSN 0108-7681 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.BORKAKOTI,R.A.PALMER,I.HANEEF,D.S.MOSS REMARK 1 TITL SPECIFICITY OF PANCREATIC RIBONUCLEASE-A. AN X-RAY REMARK 1 TITL 2 STUDY OF A PROTEIN-NUCLEOTIDE COMPLEX REMARK 1 REF J.MOL.BIOL. V. 169 743 1983 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH N.BORKAKOTI REMARK 1 TITL THE ACTIVE SITE OF RIBONUCLEASE A FROM THE REMARK 1 TITL 2 CRYSTALLOGRAPHIC STUDIES OF REMARK 1 TITL 3 RIBONUCLEASE-A-INHIBITOR COMPLEXES REMARK 1 REF EUR.J.BIOCHEM. V. 132 89 1983 REMARK 1 REFN ASTM EJBCAI IX ISSN 0014-2956 REMARK 1 REFERENCE 4 REMARK 1 AUTH C.H.CARLISLE,R.A.PALMER,S.K.MAZUMDAR,B.A.GORINSKY, REMARK 1 AUTH 2 D.G.R.YEATES REMARK 1 TITL THE STRUCTURE OF RIBONUCLEASE AT 2.5 ANGSTROM REMARK 1 TITL 2 RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 85 1 1974 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 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 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 956 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 78 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1RN3 COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 1RN3 NEW FEATURES OF THE STRUCTURE TO EMERGE ARE 1RN3 1RN3 REMARK 5 1. ALTERNATIVE CONFORMATIONS FOR THE HIS 119 SIDE CHAIN REMARK 5 1RN3 WITH OCCUPANCIES REFINED IN THE ANALYSIS TO VALUES REMARK 5 1RN3 OF 0.8 AND 0.2 RESPECTIVELY 1RN3 2. A NEW SITE FOR LYS REMARK 5 41 (A RESIDUE INVOLVED IN THE 1RN3 CATALYTIC MECHANISM) REMARK 5 1RN3 3. A SOLVENT MOLECULE BONDED TO THE N-TERMINAL AMINO REMARK 5 1RN3 GROUP 1RN3 4. EXTENSIVE DISORDER OF THE SIDE CHAINS IN REMARK 5 THE REGION 1RN3 OF RESIDUES 35 - 39. 1RN3 REMARK 6 REMARK 6 1RN3 THE TEMPERATURE FACTOR APPLIED WAS 1RN3 EXP(-8*(PI**2) REMARK 6 *U*(SIN(THETA)/LAMBDA)**2) 1RN3 WHERE U IS THE VALUE REMARK 6 PRESENTED IN THE TEMPERATURE FACTOR 1RN3 FIELD OF THE ATOM REMARK 6 AND HETATM RECORDS BELOW. 1RN3 REMARK 7 REMARK 7 1RN3 THIS SET OF DATA SHOULD BE TREATED AS PRELIMINARY AND REMARK 7 WILL 1RN3 BE REPLACED UPON COMPLETION OF FURTHER WORK REMARK 7 INVOLVING MORE 1RN3 SOLVENT MOLECULES. 1RN3 REMARK 8 REMARK 8 1RN3 CORRECTION. UPDATE JRNL REFERENCE TO REFLECT REMARK 8 PUBLICATION. 1RN3 23-SEP-82. 1RN3 REMARK 9 REMARK 9 1RN3 CORRECTION. INSERT REVDAT RECORDS. 30-SEP-83. 1RN3 REMARK 10 REMARK 10 1RN3 CORRECTION. INSERT NEW PUBLICATION AS REFERENCE 1 AND REMARK 10 1RN3 RENUMBER THE OTHER. 27-OCT-83. 1RN3 REMARK 11 REMARK 11 1RN3 CORRECTION. ADD ADDITIONAL PUBLICATION AS REFERENCE 2 REMARK 11 AND 1RN3 RENUMBER THE OTHERS. 06-DEC-83. 1RN3 REMARK 12 REMARK 12 1RN3 CORRECTION. ADD NEW PUBLICATION AS REFERENCE 1 AND REMARK 12 RENUMBER 1RN3 THE OTHERS. CORRECT TYPOGRAPHICAL ERROR ON REMARK 12 SOURCE RECORD. 1RN3 15-JAN-87. 1RN3 REMARK 13 REMARK 13 1RN3 CORRECTION. REVISE E.C. CODE ON COMPND RECORD. 15-OCT- REMARK 13 89. 1RN3 REMARK 14 REMARK 14 1RN3 CORRECTION. THIS ENTRY IS OBSOLETE. 15-OCT-91. 1RN3 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 (%): 43.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 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,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 19.18450 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 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 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 REMARK 500 CG HIS 119 O HOH 232 0.56 REMARK 500 ND1 HIS 119 O HOH 232 0.91 REMARK 500 O HOH 228 O HOH 229 1.42 REMARK 500 CD2 HIS 119 O HOH 232 1.45 REMARK 500 CE1 HIS 119 O HOH 232 1.70 REMARK 500 O HOH 229 O HOH 230 1.77 REMARK 500 NE2 HIS 119 O HOH 232 1.93 REMARK 500 N LYS 1 O HOH 283 1.99 REMARK 500 CG2 THR 100 O HOH 264 1.99 REMARK 500 CB HIS 119 O HOH 232 2.05 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NZ LYS 37 O HOH 262 1455 0.66 REMARK 500 O HOH 205 O HOH 231 1455 1.28 REMARK 500 CE LYS 37 O HOH 262 1455 1.94 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 PRO 93 CG PRO 93 CD -0.222 REMARK 500 THR 99 CA THR 99 CB -0.246 REMARK 500 PRO 114 CG PRO 114 CD -0.221 REMARK 500 ASN 113 C PRO 114 N 0.354 REMARK 500 PRO 114 C TYR 115 N 0.180 REMARK 500 TYR 115 C VAL 116 N -0.172 REMARK 500 HIS 119 C HIS 119 O -0.302 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 THR 99 N - CA - CB ANGL. DEV. = 22.0 DEGREES REMARK 500 LYS 104 CD - CE - NZ ANGL. DEV. = 52.0 DEGREES REMARK 500 HIS 119 N - CA - C ANGL. DEV. =-27.2 DEGREES REMARK 500 HIS 119 CA - C - O ANGL. DEV. = 41.4 DEGREES REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH 247 DISTANCE = 5.75 ANGSTROMS REMARK 525 HOH 248 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH 254 DISTANCE = 5.22 ANGSTROMS REMARK 525 HOH 256 DISTANCE = 5.30 ANGSTROMS SEQRES 1 124 LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET SEQRES 2 124 ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS SEQRES 3 124 ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG SEQRES 4 124 CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA SEQRES 5 124 ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS SEQRES 6 124 LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR SEQRES 7 124 MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS SEQRES 8 124 TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS SEQRES 9 124 HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO SEQRES 10 124 VAL HIS PHE ASP ALA SER VAL FTNOTE 1 RESIDUES 93 AND 114 ARE CIS-PROLINES. FTNOTE 2 SEE REMARK 5. HET SUL 1 5 HETNAM SUL SULFATE ANION FORMUL 2 SUL O4 S 2- FORMUL 3 HOH *78(H2 O1) HELIX 1 H1 THR 3 MET 13 1 11 HELIX 2 H2 ASN 24 ASN 34 1 11 HELIX 3 H3 SER 50 GLN 60 1 11 SHEET 1 S1 3 PRO 42 HIS 48 0 SHEET 2 S1 3 ASN 71 TYR 92 -1 N THR 82 O PHE 46 SHEET 3 S1 3 ASN 94 CYS 110 -1 N ALA 102 O ILE 81 SSBOND 1 CYS 26 CYS 84 SSBOND 2 CYS 40 CYS 95 SSBOND 3 CYS 58 CYS 110 SSBOND 4 CYS 65 CYS 72 CISPEP 1 TYR 92 PRO 93 0 19.86 CISPEP 2 ASN 113 PRO 114 0 7.76 CRYST1 30.450 38.369 53.215 90.00 105.96 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 0.032841 0.000000 0.009392 0.00000 SCALE2 0.000000 0.026063 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019545 0.00000