HEADER HYDROLASE 24-AUG-05 2BZZ 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: A; 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 5 13-DEC-23 2BZZ 1 REMARK REVDAT 4 16-OCT-19 2BZZ 1 REMARK REVDAT 3 24-FEB-09 2BZZ 1 VERSN REVDAT 2 19-SEP-06 2BZZ 1 SEQRES REVDAT 1 18-JAN-06 2BZZ 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. 0.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). 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 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 64071 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1089 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 61 REMARK 3 SOLVENT ATOMS : 181 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 11 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.180 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ALTERNATE CONFORMATIONS WERE ASSIGNED REMARK 3 TO PHE-5, ASN-25, GLN-34, VAL-51, ASN-53, THR-67, SER -76, ILE- REMARK 3 81, GLN-100, VAL-109 AND ASN-113. REMARK 4 REMARK 4 2BZZ 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_1290025431. 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 : PX14.2 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 74196 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.980 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 (%) : 94.4 REMARK 200 DATA REDUNDANCY : 8.100 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.13600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 11.10 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 (%): 24.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.50, VAPOR DIFFUSION, HANGING DROP 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 26.51800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 21.12950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.48250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 21.12950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.51800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.48250 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: A 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 A NON-SECRETORY RIBONUCLEASE AND A PYRIMIDINE SPECIFIC REMARK 400 NUCLEASE WITH A SLIGHT PREFERENCE FOR U. CYTOTOXIN AND REMARK 400 HELMINTHOTOXIN. 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 VAL A 1051 CG1 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),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 VAL A1051 CB VAL A1051 CG2 0.127 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 VAL A1051 CG1 - CB - CG2 ANGL. DEV. = -95.1 DEGREES REMARK 500 VAL A1051 CG1 - CB - CG2 ANGL. DEV. = -21.3 DEGREES REMARK 500 VAL A1051 CA - CB - CG1 ANGL. DEV. = 11.4 DEGREES REMARK 500 PRO A1088 N - CA - C ANGL. DEV. = 16.2 DEGREES REMARK 500 ARG A1097 NE - CZ - NH1 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG A1097 NE - CZ - NH2 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A1114 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A1132 NE - CZ - NH2 ANGL. DEV. = -3.4 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 SER A1089 72.45 5.08 REMARK 500 ASN A1092 84.87 174.46 REMARK 500 REMARK 500 REMARK: NULL 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 AP5 A2135 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A2136 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: 2C01 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 2BZZ A 1000 1000 PDB 2BZZ 2BZZ 1000 1000 DBREF 2BZZ A 1001 1134 UNP P10153 RNAS2_HUMAN 28 161 SEQRES 1 A 135 MET LYS PRO PRO GLN PHE THR TRP ALA GLN TRP PHE GLU SEQRES 2 A 135 THR GLN HIS ILE ASN MET THR SER GLN GLN CYS THR ASN SEQRES 3 A 135 ALA MET GLN VAL ILE ASN ASN TYR GLN ARG ARG CYS LYS SEQRES 4 A 135 ASN GLN ASN THR PHE LEU LEU THR THR PHE ALA ASN VAL SEQRES 5 A 135 VAL ASN VAL CYS GLY ASN PRO ASN MET THR CYS PRO SER SEQRES 6 A 135 ASN LYS THR ARG LYS ASN CYS HIS HIS SER GLY SER GLN SEQRES 7 A 135 VAL PRO LEU ILE HIS CYS ASN LEU THR THR PRO SER PRO SEQRES 8 A 135 GLN ASN ILE SER ASN CYS ARG TYR ALA GLN THR PRO ALA SEQRES 9 A 135 ASN MET PHE TYR ILE VAL ALA CYS ASP ASN ARG ASP GLN SEQRES 10 A 135 ARG ARG ASP PRO PRO GLN TYR PRO VAL VAL PRO VAL HIS SEQRES 11 A 135 LEU ASP ARG ILE ILE HET AP5 A2135 57 HET ACY A2136 4 HETNAM AP5 BIS(ADENOSINE)-5'-PENTAPHOSPHATE HETNAM ACY ACETIC ACID FORMUL 2 AP5 C20 H29 N10 O22 P5 FORMUL 3 ACY C2 H4 O2 FORMUL 4 HOH *181(H2 O) HELIX 1 1 THR A 1006 ILE A 1016 1 11 HELIX 2 2 GLN A 1022 ARG A 1035 1 14 HELIX 3 3 THR A 1047 CYS A 1055 1 9 HELIX 4 4 ASN A 1092 CYS A 1096 5 5 SHEET 1 AA 5 GLN A1040 LEU A1044 0 SHEET 2 AA 5 VAL A1078 THR A1087 -1 O ILE A1081 N PHE A1043 SHEET 3 AA 5 ARG A1097 ASN A1113 -1 O ARG A1097 N THR A1086 SHEET 4 AA 5 CYS A1071 HIS A1073 -1 O HIS A1072 N VAL A1109 SHEET 5 AA 5 ASN A1059 MET A1060 -1 O MET A1060 N CYS A1071 SHEET 1 AB 4 GLN A1040 LEU A1044 0 SHEET 2 AB 4 VAL A1078 THR A1087 -1 O ILE A1081 N PHE A1043 SHEET 3 AB 4 ARG A1097 ASN A1113 -1 O ARG A1097 N THR A1086 SHEET 4 AB 4 VAL A1125 ILE A1134 -1 O VAL A1126 N ASP A1112 SSBOND 1 CYS A 1023 CYS A 1083 1555 1555 2.06 SSBOND 2 CYS A 1037 CYS A 1096 1555 1555 2.02 SSBOND 3 CYS A 1055 CYS A 1111 1555 1555 2.05 SSBOND 4 CYS A 1062 CYS A 1071 1555 1555 2.05 SITE 1 AC1 25 GLN A1014 HIS A1015 ARG A1036 LYS A1038 SITE 2 AC1 25 GLN A1040 CYS A1062 ARG A1068 ASN A1070 SITE 3 AC1 25 HIS A1082 ALA A1110 ASP A1112 VAL A1128 SITE 4 AC1 25 HIS A1129 LEU A1130 HOH A2058 HOH A2065 SITE 5 AC1 25 HOH A2066 HOH A2165 HOH A2172 HOH A2173 SITE 6 AC1 25 HOH A2174 HOH A2175 HOH A2176 HOH A2177 SITE 7 AC1 25 HOH A2178 SITE 1 AC2 8 THR A1046 ASN A1050 SER A1074 SER A1076 SITE 2 AC2 8 VAL A1078 TYR A1107 HOH A2180 HOH A2181 CRYST1 53.036 56.965 42.259 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 0.018855 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017555 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023664 0.00000