HEADER HYDROLASE 24-AUG-05 2C01 TITLE CRYSTAL STRUCTURES OF EOSINOPHIL-DERIVED NEUROTOXIN IN COMPLEX WITH TITLE 2 THE INHIBITORS 5'-ATP, AP3A, AP4A AND AP5A COMPND MOL_ID: 1; COMPND 2 MOLECULE: NONSECRETORY RIBONUCLEASE; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: EOSINOPHIL-DERIVED NEUROTOXIN, RIBONUCLEASE US, RNASE UPI-2, COMPND 5 RIBONUCLEASE 2, RNASE 2; COMPND 6 EC: 3.1.27.5; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: EOSINOPHIL; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ENDONUCLEASE, EOSINOPHIL, HYDROLASE, NUCLEASE, RIBONUCLEASE, RNASE KEYWDS 2 US, RNASE-2, INHIBITOR, 5'-ATP, AP3A, AP4A, AP5A, CHEMOTAXIS, KEYWDS 3 GLYCOPROTEIN, POLYMORPHISM, SENSORY TRANSDUCTION EXPDTA X-RAY DIFFRACTION AUTHOR M.D.BAKER,D.E.HOLLOWAY,G.J.SWAMINATHAN,K.R.ACHARYA REVDAT 4 13-DEC-23 2C01 1 REMARK REVDAT 3 11-MAR-20 2C01 1 LINK REVDAT 2 24-FEB-09 2C01 1 VERSN REVDAT 1 18-JAN-06 2C01 0 JRNL AUTH M.D.BAKER,D.E.HOLLOWAY,G.J.SWAMINATHAN,K.R.ACHARYA JRNL TITL CRYSTAL STRUCTURES OF EOSINOPHIL-DERIVED NEUROTOXIN (EDN) IN JRNL TITL 2 COMPLEX WITH THE INHIBITORS 5'- ATP, AP(3)A, AP(4)A, AND JRNL TITL 3 AP(5)A. JRNL REF BIOCHEMISTRY V. 45 416 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16401072 JRNL DOI 10.1021/BI0518592 REMARK 2 REMARK 2 RESOLUTION. 1.24 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.24 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 366963 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) : 0.188 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.000 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 : 1088 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 238 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) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.360 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: GAMMA PHOSPHATE OF ATP NOT MODELLED DUE REMARK 3 TO POOR DENSITY. ALPHA AND BETA PHOSPHATES MODELLED IN TWO REMARK 3 ALTERNATE CONFROMATIONS. REMARK 4 REMARK 4 2C01 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-AUG-05. REMARK 100 THE DEPOSITION ID IS D_1290025432. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 203.0 REMARK 200 PH : 6.50 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 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36418 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.240 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 10.07 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.24 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.13000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 13.70 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 1GQV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 24.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-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 26.35000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.98500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.35500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 20.98500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.35000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.35500 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 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 CD2 HIS X 129 O HOH X 2222 1.62 REMARK 500 NE2 HIS X 129 O HOH X 2222 1.87 REMARK 500 C5' ATP X 1136 O HOH X 2237 1.89 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 SER X 89 68.48 -175.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH X2016 DISTANCE = 6.12 ANGSTROMS REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 ATP X 1136 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ATP X1136 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY X1135 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1GQV RELATED DB: PDB REMARK 900 ATOMIC RESOLUTION (0.98A) STRUCTURE OF EOSINOPHIL-DERIVED NEUROTOXIN REMARK 900 RELATED ID: 1HI2 RELATED DB: PDB REMARK 900 EOSINOPHIL-DERIVED NEUROTOXIN (EDN) - SULPHATE COMPLEX REMARK 900 RELATED ID: 1HI3 RELATED DB: PDB REMARK 900 EOSINOPHIL-DERIVED NEUROTOXIN (EDN) - ADENOSINE -2'-5'-DIPHOSPHATE REMARK 900 COMPLEX REMARK 900 RELATED ID: 1HI4 RELATED DB: PDB REMARK 900 EOSINOPHIL-DERIVED NEUROTOXIN (EDN) - ADENOSINE -3'-5'-DIPHOSPHATE REMARK 900 COMPLEX REMARK 900 RELATED ID: 1HI5 RELATED DB: PDB REMARK 900 EOSINOPHIL-DERIVED NEUROTOXIN (EDN) - ADENOSINE -5'-DIPHOSPHATE REMARK 900 COMPLEX REMARK 900 RELATED ID: 1K2A RELATED DB: PDB REMARK 900 MODIFIED FORM OF EOSINOPHIL-DERIVED NEUROTOXIN REMARK 900 RELATED ID: 2BEX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PLACENTAL RIBONUCLEASE INHIBITOR IN COMPLEX REMARK 900 WITH HUMAN EOSINOPHIL DERIVED NEUROTOXIN AT 2A RESOLUTION. REMARK 900 RELATED ID: 2BZZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF EOSINOPHIL-DERIVED NEUROTOXIN IN COMPLEX WITH REMARK 900 THE INHIBITORS 5'-ATP, AP3A, AP4A AND AP5A REMARK 900 RELATED ID: 2C02 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF EOSINOPHIL-DERIVED NEUROTOXIN IN COMPLEX WITH REMARK 900 THE INHIBITORS 5'-ATP, AP3A, AP4A AND AP5A REMARK 900 RELATED ID: 2C05 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF EOSINOPHIL-DERIVED NEUROTOXIN IN COMPLEX WITH REMARK 900 THE INHIBITORS 5'-ATP, AP3A, AP4A AND AP5A DBREF 2C01 X 0 0 PDB 2C01 2C01 0 0 DBREF 2C01 X 1 134 UNP P10153 RNAS2_HUMAN 28 161 SEQRES 1 X 135 MET LYS PRO PRO GLN PHE THR TRP ALA GLN TRP PHE GLU SEQRES 2 X 135 THR GLN HIS ILE ASN MET THR SER GLN GLN CYS THR ASN SEQRES 3 X 135 ALA MET GLN VAL ILE ASN ASN TYR GLN ARG ARG CYS LYS SEQRES 4 X 135 ASN GLN ASN THR PHE LEU LEU THR THR PHE ALA ASN VAL SEQRES 5 X 135 VAL ASN VAL CYS GLY ASN PRO ASN MET THR CYS PRO SER SEQRES 6 X 135 ASN LYS THR ARG LYS ASN CYS HIS HIS SER GLY SER GLN SEQRES 7 X 135 VAL PRO LEU ILE HIS CYS ASN LEU THR THR PRO SER PRO SEQRES 8 X 135 GLN ASN ILE SER ASN CYS ARG TYR ALA GLN THR PRO ALA SEQRES 9 X 135 ASN MET PHE TYR ILE VAL ALA CYS ASP ASN ARG ASP GLN SEQRES 10 X 135 ARG ARG ASP PRO PRO GLN TYR PRO VAL VAL PRO VAL HIS SEQRES 11 X 135 LEU ASP ARG ILE ILE HET ACY X1135 4 HET ATP X1136 36 HETNAM ACY ACETIC ACID HETNAM ATP ADENOSINE-5'-TRIPHOSPHATE FORMUL 2 ACY C2 H4 O2 FORMUL 3 ATP C10 H16 N5 O13 P3 FORMUL 4 HOH *238(H2 O) HELIX 1 1 THR X 6 ILE X 16 1 11 HELIX 2 2 GLN X 22 ARG X 35 1 14 HELIX 3 3 THR X 47 CYS X 55 1 9 HELIX 4 4 ASN X 92 CYS X 96 5 5 SHEET 1 XA 5 GLN X 40 LEU X 44 0 SHEET 2 XA 5 VAL X 78 THR X 87 -1 O ILE X 81 N PHE X 43 SHEET 3 XA 5 ARG X 97 ASN X 113 -1 O ARG X 97 N THR X 86 SHEET 4 XA 5 CYS X 71 HIS X 73 -1 O HIS X 72 N VAL X 109 SHEET 5 XA 5 ASN X 59 MET X 60 -1 O MET X 60 N CYS X 71 SHEET 1 XB 4 GLN X 40 LEU X 44 0 SHEET 2 XB 4 VAL X 78 THR X 87 -1 O ILE X 81 N PHE X 43 SHEET 3 XB 4 ARG X 97 ASN X 113 -1 O ARG X 97 N THR X 86 SHEET 4 XB 4 VAL X 125 ILE X 134 -1 O VAL X 126 N ASP X 112 SSBOND 1 CYS X 23 CYS X 83 1555 1555 2.03 SSBOND 2 CYS X 37 CYS X 96 1555 1555 2.03 SSBOND 3 CYS X 55 CYS X 111 1555 1555 2.03 SSBOND 4 CYS X 62 CYS X 71 1555 1555 2.03 SITE 1 AC1 20 GLN X 14 HIS X 15 LYS X 38 CYS X 62 SITE 2 AC1 20 ARG X 68 ASN X 70 ALA X 110 ASP X 112 SITE 3 AC1 20 VAL X 128 HIS X 129 LEU X 130 HOH X2107 SITE 4 AC1 20 HOH X2187 HOH X2222 HOH X2232 HOH X2233 SITE 5 AC1 20 HOH X2234 HOH X2235 HOH X2236 HOH X2237 SITE 1 AC2 7 THR X 46 ASN X 50 VAL X 54 VAL X 78 SITE 2 AC2 7 TYR X 107 HOH X2230 HOH X2231 CRYST1 52.700 56.710 41.970 90.00 90.00 90.00 P 21 21 21 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 0.018975 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017634 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023827 0.00000