HEADER PROTEINASE INHIBITOR (SUBTILISIN BPN*) 15-APR-80 2SSI OBSLTE 17-AUG-96 2SSI 3SSI TITLE SOLVENT ACCESSIBILITY AND MICROENVIRONMENT IN A BACTERIAL TITLE 2 PROTEIN PROTEINASE INHIBITOR /SSI$ (STREPTOMYCES TITLE 3 SUBTILISIN INHIBITOR) COMPND MOL_ID: 1; COMPND 2 MOLECULE:; COMPND 3 CHAIN: NULL; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1 KEYWDS PROTEINASE INHIBITOR (SUBTILISIN BPN*) EXPDTA X-RAY DIFFRACTION AUTHOR Y.MITSUI,Y.SATOW,Y.WATANABE,Y.IITAKA REVDAT 6 09-APR-85 2SSI 1 REMARK REVDAT 5 31-JAN-84 2SSI 1 REMARK REVDAT 4 30-SEP-83 2SSI 1 REVDAT REVDAT 3 03-DEC-81 2SSI 1 REMARK REVDAT 2 15-SEP-81 2SSI 1 REMARK REVDAT 1 09-JUL-80 2SSI 0 SPRSDE 09-JUL-80 2SSI 1SSI JRNL AUTH Y.SATOW,Y.WATANABE,Y.MITSUI JRNL TITL SOLVENT ACCESSIBILITY AND MICROENVIRONMENT IN A JRNL TITL 2 BACTERIAL PROTEIN PROTEINASE INHIBITOR /SSI JRNL TITL 3 (STREPTOMYCES SUBTILISIN INHIBITOR) JRNL REF J.BIOCHEM.(TOKYO) V. 88 1739 1980 JRNL REFN ASTM JOBIAO JA ISSN 0021-924X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.HIRONO,K.T.NAKAMURA,Y.IITAKA,Y.MITSUI REMARK 1 TITL CRYSTAL STRUCTURE OF THE COMPLEX OF SUBTILISIN REMARK 1 TITL 2 /BPNWITH ITS PROTEIN INHIBITOR STREPTOMYCES REMARK 1 TITL 3 SUBTILISIN INHIBITOR. THE STRUCTURE AT 4.3 REMARK 1 TITL 4 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 131 855 1979 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH Y.MITSUI,Y.SATOW,Y.WATANABE,Y.IITAKA REMARK 1 TITL CRYSTAL STRUCTURE OF A BACTERIAL PROTEIN REMARK 1 TITL 2 PROTEINASE INHIBITOR (STREPTOMYCES SUBTILISIN REMARK 1 TITL 3 INHIBITOR) AT 2.6 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 131 697 1979 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH Y.MITSUI,Y.SATOW,Y.WATANABE,S.HIRONO,Y.IITAKA REMARK 1 TITL CRYSTAL STRUCTURES OF STREPTOMYCES SUBTILISIN REMARK 1 TITL 2 INHIBITOR AND ITS COMPLEX WITH SUBTILISIN /BPN REMARK 1 REF NATURE V. 277 447 1979 REMARK 1 REFN ASTM NATUAS UK ISSN 0028-0836 REMARK 1 REFERENCE 4 REMARK 1 AUTH Y.SATOW,Y.MITSUI,Y.IITAKA REMARK 1 TITL CRYSTAL STRUCTURE OF A PROTEIN PROTEINASE REMARK 1 TITL 2 INHIBITOR, /SSI(STREPTOMYCES SUBTILISIN REMARK 1 TITL 3 INHIBITOR), AT 4 ANGSTROMS RESOLUTION REMARK 1 REF J.BIOCHEM.(TOKYO) V. 84 897 1978 REMARK 1 REFN ASTM JOBIAO JA ISSN 0021-924X REMARK 1 REFERENCE 5 REMARK 1 AUTH Y.MITSUI,Y.SATOW,T.SAKAMAKI,Y.IITAKA REMARK 1 TITL CRYSTAL STRUCTURE OF A PROTEIN PROTEINASE REMARK 1 TITL 2 INHIBITOR, STREPTOMYCES SUBTILISIN INHIBITOR, AT REMARK 1 TITL 3 2.3 ANGSTROMS RESOLUTION REMARK 1 REF J.BIOCHEM.(TOKYO) V. 82 295 1977 REMARK 1 REFN ASTM JOBIAO JA ISSN 0021-924X REMARK 1 REFERENCE 6 REMARK 1 AUTH Y.SATOW,Y.MITSUI,Y.IITAKA,S.MURAO,S.SATO REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY REMARK 1 TITL 2 INVESTIGATION OF A NEW ALKALINE PROTEASE INHIBITOR REMARK 1 TITL 3 AND ITS COMPLEX WITH SUBTILISIN /BPN REMARK 1 REF J.MOL.BIOL. V. 75 745 1973 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. NULL 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) : NULL 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 : 764 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 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 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 2SSI COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 2SSI THE SSI MOLECULE IS A DIMER. THE SUBUNIT-SUBUNIT 2SSI REMARK 5 INTERFACE IS FORMED BY STACKING THE BETA SHEET OF ONE 2SSI REMARK 5 SUBUNIT ON TOP OF THE BETA SHEET OF THE OTHER SUBUNIT 2SSI REMARK 5 RELATED BY A CRYSTALLOGRAPHIC DIAD. THE PLANES OF THE TWO REMARK 5 2SSI BETA SHEETS ARE ROUGHLY PARALLEL, WHILE THE BETA REMARK 5 STRANDS 2SSI IN THE OPPOSITE SHEETS ARE INCLINED AT ABOUT REMARK 5 30 DEGREES TO 2SSI EACH OTHER. THE COORDINATES STORED BELOW REMARK 5 ARE PRESENTED IN 2SSI A NON-STANDARD ORTHOGONAL FRAME. THE REMARK 5 COORDINATES FOR THE 2SSI OTHER SUBUNIT IN THE SSI MOLECULE REMARK 5 ARE GIVEN BY (-X,-Y,Z) 2SSI BECAUSE THE Z-AXIS OF THE REMARK 5 COORDINATES BELOW CORRESPONDS TO 2SSI A CRYSTALLOGRAPHIC REMARK 5 DIAD (X,X,0) IN THE SPACE GROUP 2SSI P 31 2 1. 2SSI REMARK 6 REMARK 6 2SSI IN THE COMPLEX OF SSI WITH SUBTILISIN BPN*, BOTH THE REMARK 6 2SSI PRIMARY CONTACT REGION (PCR) AND THE SECONDARY CONTACT REMARK 6 2SSI REGION (SCR) OF SSI ARE IN CONTACT WITH THE ACTIVE REMARK 6 SITE OF 2SSI THE ENZYME. THE PEPTIDE BOND BETWEEN MET 73 REMARK 6 AND VAL 74 IS 2SSI ATTACKED BY THE *ACTIVE* SER 221 OF REMARK 6 SUBTILISIN BPN*. 2SSI REMARK 7 REMARK 7 2SSI CORRECTION. CORRECT ASTM CODE FOR REFERENCE 5. 15-SEP- REMARK 7 81. 2SSI REMARK 8 REMARK 8 2SSI CORRECTION. CORRECT ISSN CODE FOR REFERENCE 5. 03-DEC- REMARK 8 81. 2SSI REMARK 9 REMARK 9 2SSI CORRECTION. INSERT REVDAT RECORDS. 30-SEP-83. 2SSI REMARK 10 REMARK 10 2SSI CORRECTION. CORRECT JOURNAL NAME FOR REFERENCES 5 AND REMARK 10 6. 2SSI 31-JAN-84. 2SSI REMARK 11 REMARK 11 2SSI CORRECTION. UPDATE REFERENCE 1 TO REFLECT PUBLICATION. REMARK 11 2SSI 09-APR-85. 2SSI 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 (%): 48.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,1/3+Z REMARK 290 3555 -X+Y,-X,2/3+Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,2/3-Z REMARK 290 6555 -X,-X+Y,1/3-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 -0.500000 0.000000 0.866069 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 38.39803 REMARK 290 SMTRY3 2 -0.865982 0.000000 -0.500000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.000000 -0.866069 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 76.79607 REMARK 290 SMTRY3 3 0.865982 0.000000 -0.500000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.000000 -0.866069 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 76.79607 REMARK 290 SMTRY3 5 -0.865982 0.000000 -0.500000 0.00000 REMARK 290 SMTRY1 6 0.500000 0.000000 0.866069 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.39803 REMARK 290 SMTRY3 6 0.865982 0.000000 -0.500000 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 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 ASP 1 REMARK 465 ALA 2 REMARK 465 PRO 3 REMARK 465 SER 4 REMARK 465 ALA 5 REMARK 465 LEU 6 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 O LEU 79 O ARG 95 2.14 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 CA MET 70 CE MET 70 6766 0.70 REMARK 500 CB MET 70 CE MET 70 6766 1.30 REMARK 500 N MET 70 CE MET 70 6766 1.34 REMARK 500 CB MET 70 SD MET 70 6766 1.59 REMARK 500 CG MET 70 SD MET 70 6766 1.61 REMARK 500 CB MET 70 CG MET 70 6766 1.82 REMARK 500 CG MET 70 CG MET 70 6766 1.89 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 TYR 7 N - CA - CB ANGL. DEV. = 17.1 DEGREES SEQRES 1 113 ASP ALA PRO SER ALA LEU TYR ALA PRO SER ALA LEU VAL SEQRES 2 113 LEU THR VAL GLY LYS GLY VAL SER ALA THR THR ALA ALA SEQRES 3 113 PRO GLU ARG ALA VAL THR LEU THR CYS ALA PRO GLY PRO SEQRES 4 113 SER GLY THR HIS PRO ALA ALA GLY SER ALA CYS ALA ASP SEQRES 5 113 LEU ALA ALA VAL GLY GLY ASP LEU ASN ALA LEU THR ARG SEQRES 6 113 GLY GLU ASP VAL MET CYS PRO MET VAL TYR ASP PRO VAL SEQRES 7 113 LEU LEU THR VAL ASP GLY VAL TRP GLN GLY LYS ARG VAL SEQRES 8 113 SER TYR GLU ARG VAL PHE SER ASN GLU CYS GLU MET ASN SEQRES 9 113 ALA HIS GLY SER SER VAL PHE ALA PHE FTNOTE 1 WEAK DENSITY IN MAP, SEE REMARK 4. HELIX 1 A1 ALA 46 GLY 57 1 12 HELIX 2 A2 GLU 100 GLY 107 1MAY BE ALPHA OR 3/10 HELIX 8 SHEET 1 BET 5 SER 40 THR 42 0 SHEET 2 BET 5 ARG 29 CYS 35 -1 SHEET 3 BET 5 SER 10 GLY 19 -1 SHEET 4 BET 5 PRO 77 GLN 87 -1 SHEET 5 BET 5 LYS 89 PHE 97 -1 TURN 1 T1 SER 21 THR 24 WITH 1-4 HYDROGEN BOND TURN 2 T2 CYS 35 GLY 38 PRO 37 IN CIS FORM TURN 3 T3 ASP 59 ALA 62 WITH 1-4 HYDROGEN BOND TURN 4 T4 TRP 86 LYS 89 WITH 1-4 HYDROGEN BOND SSBOND 1 CYS 35 CYS 50 SSBOND 2 CYS 71 CYS 101 CISPEP 1 ALA 36 PRO 37 0 8.13 SITE 1 PCR 9 GLU 67 ASP 68 VAL 69 MET 70 SITE 2 PCR 9 CYS 71 PRO 72 MET 73 VAL 74 SITE 3 PCR 9 TYR 75 SITE 1 SCR 2 SER 98 GLU 102 CRYST1 40.600 40.600 115.200 90.00 90.00 120.00 P 31 2 1 6 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 0.014220 0.000000 -0.024631 1.00000 SCALE2 -0.014220 0.000000 -0.024631 1.00000 SCALE3 0.000000 0.008681 0.000000 0.50000