HEADER HYDROLASE 05-MAY-06 2DP4 TITLE CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN PROTEINASE K AND A TITLE 2 HUMAN LACTOFERRIN FRAGMENT AT 2.9 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: E; COMPND 4 SYNONYM: TRITIRACHIUM ALKALINE PROTEINASE, ENDOPEPTIDASE K; COMPND 5 EC: 3.4.21.64; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: 8-MER PEPTIDE FROM LACTOTRANSFERRIN; COMPND 8 CHAIN: I SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 6 ORGANISM_COMMON: HUMAN; SOURCE 7 ORGANISM_TAXID: 9606; SOURCE 8 OTHER_DETAILS: THIS PEPTIEDE WAS TRAPPED DURUNG ITS DIGESTION BY SOURCE 9 PROTEINASE K. KEYWDS PROTEINASE K, LACTOFERRIN FRAGMENT, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.K.SINGH,N.SINGH,S.SHARMA,A.BHUSHAN,T.P.SINGH REVDAT 3 25-OCT-23 2DP4 1 REMARK REVDAT 2 24-FEB-09 2DP4 1 VERSN REVDAT 1 16-MAY-06 2DP4 0 JRNL AUTH A.K.SINGH,N.SINGH,S.SHARMA,A.BHUSHAN,T.P.SINGH JRNL TITL CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN PROTEINASE K JRNL TITL 2 AND A HUMAN LACTOFERRIN FRAGMENT AT 2.9 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 11.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 111192.810 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 5570 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) : 0.193 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.600 REMARK 3 FREE R VALUE TEST SET COUNT : 477 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 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) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.08 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 842 REMARK 3 BIN R VALUE (WORKING SET) : 0.2740 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 92 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2089 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 112 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.65000 REMARK 3 B22 (A**2) : -0.65000 REMARK 3 B33 (A**2) : 1.30000 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) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.40 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 2.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.000 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 : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 38.49 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM 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 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2DP4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1000025677. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAR-06 REMARK 200 TEMPERATURE (KELVIN) : 290 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5570 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.0 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) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.2 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1PEK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M AMMONIUM ACTATE, 0.1M SODIUM REMARK 280 ACETATE, 30% PEG 4000, PH 4.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 54.06500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.20000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.20000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 81.09750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.20000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.20000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 27.03250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.20000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.20000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 81.09750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.20000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.20000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 27.03250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 54.06500 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, 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 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 C SER E 170 CD PRO E 171 1.61 REMARK 500 O SER E 170 CD PRO E 171 1.64 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 TYR E 137 C - N - CA ANGL. DEV. = 18.9 DEGREES REMARK 500 TYR E 137 CB - CG - CD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 TYR E 137 CB - CG - CD1 ANGL. DEV. = -4.4 DEGREES REMARK 500 PRO E 171 C - N - CA ANGL. DEV. = 50.5 DEGREES REMARK 500 PRO E 171 C - N - CD ANGL. DEV. = -60.0 DEGREES REMARK 500 PRO E 171 CA - N - CD ANGL. DEV. = -9.5 DEGREES REMARK 500 THR E 211 CA - CB - CG2 ANGL. DEV. = -10.0 DEGREES REMARK 500 GLU I 3 C - N - CA ANGL. DEV. = -15.5 DEGREES REMARK 500 GLN I 4 N - CA - C ANGL. DEV. = 16.2 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 ALA E 29 42.91 37.27 REMARK 500 ASP E 39 -133.57 -147.47 REMARK 500 VAL E 56 -31.68 -132.68 REMARK 500 ASN E 67 -52.26 -134.60 REMARK 500 TYR E 82 -12.27 -143.48 REMARK 500 TYR E 137 172.09 79.08 REMARK 500 SER E 138 104.79 153.29 REMARK 500 PRO E 171 -42.45 121.73 REMARK 500 TYR E 195 -155.57 -119.19 REMARK 500 ASN E 270 78.59 -117.84 REMARK 500 ASP I 2 -100.56 3.46 REMARK 500 GLN I 4 85.95 15.90 REMARK 500 ASN I 7 169.05 155.41 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3PRK RELATED DB: PDB REMARK 900 INHIBITION OF PROTEINASE K BY METHOXYSUCCINYL-ALA-ALA-PRO-ALA- REMARK 900 CHLOROMETHYL KETONE. AN X-RAY STUDY AT 2.2-ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 1BJR RELATED DB: PDB REMARK 900 COMPLEX FORMED BETWEEN PROTEOLYTICALLY GENERATED LACTOFERRIN REMARK 900 FRAGMENT AND PROTEINASE K DBREF 2DP4 E 1 279 UNP P06873 PRTK_TRIAL 106 384 DBREF 2DP4 I 1 8 UNP P02788 TRFL_HUMAN 528 535 SEQRES 1 E 279 ALA ALA GLN THR ASN ALA PRO TRP GLY LEU ALA ARG ILE SEQRES 2 E 279 SER SER THR SER PRO GLY THR SER THR TYR TYR TYR ASP SEQRES 3 E 279 GLU SER ALA GLY GLN GLY SER CYS VAL TYR VAL ILE ASP SEQRES 4 E 279 THR GLY ILE GLU ALA SER HIS PRO GLU PHE GLU GLY ARG SEQRES 5 E 279 ALA GLN MET VAL LYS THR TYR TYR TYR SER SER ARG ASP SEQRES 6 E 279 GLY ASN GLY HIS GLY THR HIS CYS ALA GLY THR VAL GLY SEQRES 7 E 279 SER ARG THR TYR GLY VAL ALA LYS LYS THR GLN LEU PHE SEQRES 8 E 279 GLY VAL LYS VAL LEU ASP ASP ASN GLY SER GLY GLN TYR SEQRES 9 E 279 SER THR ILE ILE ALA GLY MET ASP PHE VAL ALA SER ASP SEQRES 10 E 279 LYS ASN ASN ARG ASN CYS PRO LYS GLY VAL VAL ALA SER SEQRES 11 E 279 LEU SER LEU GLY GLY GLY TYR SER SER SER VAL ASN SER SEQRES 12 E 279 ALA ALA ALA ARG LEU GLN SER SER GLY VAL MET VAL ALA SEQRES 13 E 279 VAL ALA ALA GLY ASN ASN ASN ALA ASP ALA ARG ASN TYR SEQRES 14 E 279 SER PRO ALA SER GLU PRO SER VAL CYS THR VAL GLY ALA SEQRES 15 E 279 SER ASP ARG TYR ASP ARG ARG SER SER PHE SER ASN TYR SEQRES 16 E 279 GLY SER VAL LEU ASP ILE PHE GLY PRO GLY THR SER ILE SEQRES 17 E 279 LEU SER THR TRP ILE GLY GLY SER THR ARG SER ILE SER SEQRES 18 E 279 GLY THR SER MET ALA THR PRO HIS VAL ALA GLY LEU ALA SEQRES 19 E 279 ALA TYR LEU MET THR LEU GLY LYS THR THR ALA ALA SER SEQRES 20 E 279 ALA CYS ARG TYR ILE ALA ASP THR ALA ASN LYS GLY ASP SEQRES 21 E 279 LEU SER ASN ILE PRO PHE GLY THR VAL ASN LEU LEU ALA SEQRES 22 E 279 TYR ASN ASN TYR GLN ALA SEQRES 1 I 8 GLY ASP GLU GLN GLY GLU ASN LYS FORMUL 3 HOH *112(H2 O) HELIX 1 1 PRO E 7 SER E 14 1 8 HELIX 2 2 HIS E 46 GLU E 50 5 5 HELIX 3 3 GLY E 68 SER E 79 1 12 HELIX 4 4 GLN E 103 LYS E 118 1 16 HELIX 5 5 ASN E 119 ARG E 121 5 3 HELIX 6 6 SER E 138 SER E 151 1 14 HELIX 7 7 ASP E 165 TYR E 169 5 5 HELIX 8 8 GLY E 222 LEU E 240 1 19 HELIX 9 9 SER E 247 THR E 255 1 9 SHEET 1 A 2 ALA E 2 THR E 4 0 SHEET 2 A 2 THR E 22 TYR E 24 -1 O TYR E 23 N GLN E 3 SHEET 1 B 7 ALA E 53 LYS E 57 0 SHEET 2 B 7 GLN E 89 LYS E 94 1 O GLY E 92 N GLN E 54 SHEET 3 B 7 CYS E 34 ASP E 39 1 N VAL E 37 O PHE E 91 SHEET 4 B 7 VAL E 127 LEU E 131 1 O VAL E 128 N CYS E 34 SHEET 5 B 7 VAL E 153 ALA E 158 1 O ALA E 156 N LEU E 131 SHEET 6 B 7 CYS E 178 ASP E 184 1 O VAL E 180 N VAL E 157 SHEET 7 B 7 ARG E 188 ARG E 189 -1 O ARG E 188 N ASP E 184 SHEET 1 C 7 ALA E 53 LYS E 57 0 SHEET 2 C 7 GLN E 89 LYS E 94 1 O GLY E 92 N GLN E 54 SHEET 3 C 7 CYS E 34 ASP E 39 1 N VAL E 37 O PHE E 91 SHEET 4 C 7 VAL E 127 LEU E 131 1 O VAL E 128 N CYS E 34 SHEET 5 C 7 VAL E 153 ALA E 158 1 O ALA E 156 N LEU E 131 SHEET 6 C 7 CYS E 178 ASP E 184 1 O VAL E 180 N VAL E 157 SHEET 7 C 7 ILE E 201 PRO E 204 1 O ILE E 201 N GLY E 181 SHEET 1 D 2 ILE E 208 TRP E 212 0 SHEET 2 D 2 SER E 216 ILE E 220 -1 O SER E 216 N TRP E 212 SHEET 1 E 2 ASN E 257 LYS E 258 0 SHEET 2 E 2 LEU E 271 LEU E 272 -1 O LEU E 272 N ASN E 257 SSBOND 1 CYS E 34 CYS E 123 1555 1555 2.03 SSBOND 2 CYS E 178 CYS E 249 1555 1555 2.03 CRYST1 68.400 68.400 108.130 90.00 90.00 90.00 P 43 21 2 8 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 0.014620 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014620 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009248 0.00000