HEADER HYDROLASE/HYDROLASE INHIBITOR 19-JAN-93 1PEK TITLE STRUCTURE OF THE COMPLEX OF PROTEINASE K WITH A SUBSTRATE-ANALOGUE TITLE 2 HEXA-PEPTIDE INHIBITOR AT 2.2 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: E; COMPND 4 EC: 3.4.21.64; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PEPTIDE PRO-ALA-PRO-PHE; COMPND 7 CHAIN: C; COMPND 8 ENGINEERED: YES; COMPND 9 OTHER_DETAILS: THE COMPLETE PEPTIDE IS N-AC-PRO-ALA-PRO-PHE-D-ALA- COMPND 10 ALA-NH2 AND IS HYDROLYSED AND REPRESENTED AS CHAINS C AND D; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: D-DAL-ALA-NH2; COMPND 13 CHAIN: D; COMPND 14 ENGINEERED: YES; COMPND 15 OTHER_DETAILS: THE COMPLETE PEPTIDE IS N-AC-PRO-ALA-PRO-PHE-D-ALA- COMPND 16 ALA-NH2 AND IS HYDROLYSED AND REPRESENTED AS CHAINS C AND D SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRITIRACHIUM ALBUM; SOURCE 3 ORGANISM_COMMON: ENGYODONTIUM ALBUM; SOURCE 4 ORGANISM_TAXID: 37998; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 MOL_ID: 3; SOURCE 8 SYNTHETIC: YES KEYWDS HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.BETZEL,T.P.SINGH,M.VISANJI,K.PETERS,S.FITTKAU,W.SAENGER,K.S.WILSON REVDAT 6 29-NOV-17 1PEK 1 REMARK HELIX REVDAT 5 13-JUL-11 1PEK 1 VERSN REVDAT 4 24-MAR-09 1PEK 1 SOURCE REVDAT 3 24-FEB-09 1PEK 1 VERSN REVDAT 2 01-APR-03 1PEK 1 JRNL REVDAT 1 31-JAN-94 1PEK 0 JRNL AUTH C.BETZEL,T.P.SINGH,M.VISANJI,K.PETERS,S.FITTKAU,W.SAENGER, JRNL AUTH 2 K.S.WILSON JRNL TITL STRUCTURE OF THE COMPLEX OF PROTEINASE K WITH A SUBSTRATE JRNL TITL 2 ANALOGUE HEXAPEPTIDE INHIBITOR AT 2.2-A RESOLUTION. JRNL REF J.BIOL.CHEM. V. 268 15854 1993 JRNL REFN ISSN 0021-9258 JRNL PMID 8340410 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.BETZEL,G.P.PAL,W.SAENGER REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF PROTEINASE K AT 0.15-NM REMARK 1 TITL 2 RESOLUTION REMARK 1 REF EUR.J.BIOCHEM. V. 178 155 1988 REMARK 1 REFN ISSN 0014-2956 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 12725 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) : 0.165 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 : 2058 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 188 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) : 0.020 ; 0.012 REMARK 3 ANGLE DISTANCE (A) : 0.063 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.026 ; 0.040 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.121 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.340 ; 0.120 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.212 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.333 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.270 ; 0.500 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 4.100 ; 1.000 REMARK 3 STAGGERED (DEGREES) : 19.900; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.200 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.760 ; 1.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.630 ; 1.300 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.440 ; 1.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PEK 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_1000175629. 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 (%): 42.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 53.93500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.14000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 80.90250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.14000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 26.96750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.14000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 80.90250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.14000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.96750 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 53.93500 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1150 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, C, D 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 THE HEXAPEPTIDE IS HYDROLYSED BETWEEN PHE C 4 AND REMARK 400 D-ALA D 5. BOTH FRAGMENTS REMAIN BOUND TO THE PROTEIN. 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 NH2 D 7 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 GLN E 103 CG CD OE1 NE2 REMARK 470 ARG E 167 CD NE CZ NH1 NH2 REMARK 470 GLN E 278 CG CD OE1 NE2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 PHE C 4 O REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN C OF PEPTIDE PRO-ALA-PRO REMARK 800 -PHE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN D OF D-DAL-ALA-NH2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 SEQUENCE ADVISORY NOTICE: REMARK 999 DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE. REMARK 999 REMARK 999 SWISS-PROT ENTRY NAME: PRTK_TRIAL REMARK 999 REMARK 999 SWISS-PROT RESIDUE PDB SEQRES REMARK 999 NAME NUMBER NAME CHAIN SEQ/INSERT CODE REMARK 999 ALA 85 VAL 85 DBREF 1PEK E 1 279 UNP P06873 PRTK_TRIAL 106 384 DBREF 1PEK C 1 4 PDB 1PEK 1PEK 1 4 DBREF 1PEK D 5 7 PDB 1PEK 1PEK 5 7 SEQADV 1PEK VAL E 85 UNP P06873 ALA 190 CONFLICT 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 VAL 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 C 4 PRO ALA PRO PHE SEQRES 1 D 3 DAL ALA NH2 HET DAL D 5 5 HETNAM DAL D-ALANINE FORMUL 3 DAL C3 H7 N O2 FORMUL 4 HOH *188(H2 O) HELIX 1 1 PRO E 7 SER E 15 1 9 HELIX 2 2 GLY E 68 SER E 79 1 12 HELIX 3 3 GLN E 103 ARG E 121 1 19 HELIX 4 4 SER E 138 VAL E 153 1 16 HELIX 5 5 GLY E 222 LYS E 242 1 21 HELIX 6 6 THR E 244 ALA E 256 1 13 SHEET 1 1 2 ALA E 1 ALA E 6 0 SHEET 2 1 2 SER E 21 TYR E 25 -1 SHEET 1 2 9 ARG E 52 TYR E 59 0 SHEET 2 2 9 GLN E 89 VAL E 95 1 SHEET 3 2 9 SER E 33 ASP E 39 1 SHEET 4 2 9 VAL E 127 LEU E 131 1 SHEET 5 2 9 VAL E 153 ALA E 159 1 SHEET 6 2 9 CYS E 178 ASP E 184 1 SHEET 7 2 9 ILE E 201 GLY E 205 1 SHEET 8 2 9 ALA E 256 GLY E 259 -1 SHEET 9 2 9 ASN E 270 ALA E 273 1 SSBOND 1 CYS E 34 CYS E 123 1555 1555 1.88 SSBOND 2 CYS E 178 CYS E 249 1555 1555 1.94 LINK C DAL D 5 N ALA D 6 1555 1555 1.47 CISPEP 1 ASN E 168 TYR E 169 0 -0.57 CISPEP 2 PRO C 3 PHE C 4 0 -0.55 SITE 1 ACT 3 ASP E 39 HIS E 69 SER E 224 SITE 1 AC1 13 HOH C 515 DAL D 5 HIS E 69 LEU E 96 SITE 2 AC1 13 GLY E 100 SER E 132 LEU E 133 GLY E 134 SITE 3 AC1 13 GLY E 135 ALA E 158 GLY E 160 ASN E 161 SITE 4 AC1 13 SER E 224 SITE 1 AC2 10 PRO C 3 PHE C 4 HOH D 483 HIS E 69 SITE 2 AC2 10 ASN E 161 ILE E 220 SER E 221 GLY E 222 SITE 3 AC2 10 THR E 223 SER E 224 CRYST1 68.280 68.280 107.870 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 0.014646 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014646 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009270 0.00000