HEADER GLYCOSIDASE 07-JAN-94 1AHB TITLE THE N-GLYCOSIDASE MECHANISM OF RIBOSOME-INACTIVATING PROTEINS IMPLIED TITLE 2 BY CRYSTAL STRUCTURES OF ALPHA-MOMORCHARIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-MOMORCHARIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.2.22; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MOMORDICA CHARANTIA; SOURCE 3 ORGANISM_COMMON: BALSAM PEAR; SOURCE 4 ORGANISM_TAXID: 3673 KEYWDS GLYCOSIDASE EXPDTA X-RAY DIFFRACTION AUTHOR J.REN,Y.WANG,Y.DONG,D.I.STUART REVDAT 3 07-FEB-24 1AHB 1 REMARK REVDAT 2 24-FEB-09 1AHB 1 VERSN REVDAT 1 22-JUN-94 1AHB 0 JRNL AUTH J.REN,Y.WANG,Y.DONG,D.I.STUART JRNL TITL THE N-GLYCOSIDASE MECHANISM OF RIBOSOME-INACTIVATING JRNL TITL 2 PROTEINS IMPLIED BY CRYSTAL STRUCTURES OF ALPHA-MOMORCHARIN. JRNL REF STRUCTURE V. 2 7 1994 JRNL REFN ISSN 0969-2126 JRNL PMID 8075985 JRNL DOI 10.1016/S0969-2126(00)00004-6 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.REN,Y.WANG,Y.DONG,D.I.STUART REMARK 1 TITL MOLECULAR REPLACEMENT STUDIES OF ALPHA-MOMORCHARIN (IN: REMARK 1 TITL 2 PROCEEDINGS OF THE CCP4 STUDY WEEKEND: MOLECULAR REMARK 1 TITL 3 REPLACEMENT, EDITED BY E.J.DODSON, S.GOVER,W.WOLF) REMARK 1 REF DARESBURY LAB.[REP.]DL/SCI/R V. 33 116 1992 REMARK 1 REFN ISSN 0144-5677 REMARK 1 REFERENCE 2 REMARK 1 AUTH Z.FENG,W.W.LI,H.W.YEUNG,S.CHEN,Y.WANG,X.LIN,Y.DONG,J.WANG REMARK 1 TITL CRYSTALS OF ALPHA-MOMORCHARIN, A NEW RIBOSOME-INACTIVATING REMARK 1 TITL 2 PROTEIN REMARK 1 REF J.MOL.BIOL. V. 214 625 1990 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 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) : 0.175 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 : 1933 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 80 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 2.890 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 1AHB 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_1000170815. 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 65.70000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 37.93191 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 16.60000 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 65.70000 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 37.93191 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 16.60000 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 65.70000 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 37.93191 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 16.60000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 75.86383 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 33.20000 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 75.86383 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 33.20000 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 75.86383 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 33.20000 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 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 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 O ARG A 97 O GLY A 204 8655 2.16 REMARK 500 REMARK 500 REMARK: NULL 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 HIS A 51 NE2 HIS A 51 CD2 -0.071 REMARK 500 HIS A 141 NE2 HIS A 141 CD2 -0.072 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 ARG A 46 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 TYR A 94 CB - CG - CD2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 97 NE - CZ - NH1 ANGL. DEV. = 7.5 DEGREES REMARK 500 ARG A 97 NE - CZ - NH2 ANGL. DEV. = -5.1 DEGREES REMARK 500 ASP A 98 N - CA - CB ANGL. DEV. = -11.0 DEGREES REMARK 500 ARG A 122 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 TRP A 192 CD1 - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 TRP A 192 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG A 210 NE - CZ - NH2 ANGL. DEV. = -5.2 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 ASP A 77 -105.42 66.05 REMARK 500 THR A 158 -70.97 -117.17 REMARK 500 ASP A 217 -162.28 -102.94 REMARK 500 ARG A 222 101.84 41.85 REMARK 500 ASN A 236 -65.36 -99.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMP A 339 DBREF 1AHB A 1 246 UNP P16094 RIP1_MOMCH 24 269 SEQRES 1 A 246 ASP VAL SER PHE ARG LEU SER GLY ALA ASP PRO ARG SER SEQRES 2 A 246 TYR GLY MET PHE ILE LYS ASP LEU ARG ASN ALA LEU PRO SEQRES 3 A 246 PHE ARG GLU LYS VAL TYR ASN ILE PRO LEU LEU LEU PRO SEQRES 4 A 246 SER VAL SER GLY ALA GLY ARG TYR LEU LEU MET HIS LEU SEQRES 5 A 246 PHE ASN TYR ASP GLY LYS THR ILE THR VAL ALA VAL ASP SEQRES 6 A 246 VAL THR ASN VAL TYR ILE MET GLY TYR LEU ALA ASP THR SEQRES 7 A 246 THR SER TYR PHE PHE ASN GLU PRO ALA ALA GLU LEU ALA SEQRES 8 A 246 SER GLN TYR VAL PHE ARG ASP ALA ARG ARG LYS ILE THR SEQRES 9 A 246 LEU PRO TYR SER GLY ASN TYR GLU ARG LEU GLN ILE ALA SEQRES 10 A 246 ALA GLY LYS PRO ARG GLU LYS ILE PRO ILE GLY LEU PRO SEQRES 11 A 246 ALA LEU ASP SER ALA ILE SER THR LEU LEU HIS TYR ASP SEQRES 12 A 246 SER THR ALA ALA ALA GLY ALA LEU LEU VAL LEU ILE GLN SEQRES 13 A 246 THR THR ALA GLU ALA ALA ARG PHE LYS TYR ILE GLU GLN SEQRES 14 A 246 GLN ILE GLN GLU ARG ALA TYR ARG ASP GLU VAL PRO SER SEQRES 15 A 246 LEU ALA THR ILE SER LEU GLU ASN SER TRP SER GLY LEU SEQRES 16 A 246 SER LYS GLN ILE GLN LEU ALA GLN GLY ASN ASN GLY ILE SEQRES 17 A 246 PHE ARG THR PRO ILE VAL LEU VAL ASP ASN LYS GLY ASN SEQRES 18 A 246 ARG VAL GLN ILE THR ASN VAL THR SER LYS VAL VAL THR SEQRES 19 A 246 SER ASN ILE GLN LEU LEU LEU ASN THR ARG ASN ILE HET FMP A 339 23 HETNAM FMP FORMYCIN-5'-MONOPHOSPHATE FORMUL 2 FMP C10 H14 N5 O7 P FORMUL 3 HOH *80(H2 O) HELIX 1 1 ASP A 10 ALA A 24 1 15 HELIX 2 2 GLY A 43 GLY A 45 5 3 HELIX 3 3 GLU A 85 GLN A 93 1 9 HELIX 4 4 ASN A 110 GLY A 119 1 10 HELIX 5 5 PRO A 121 ILE A 125 5 5 HELIX 6 6 GLY A 128 LEU A 140 1 13 HELIX 7 7 ASP A 143 THR A 158 1 16 HELIX 8 8 THR A 158 PHE A 164 1 7 HELIX 9 9 PHE A 164 ARG A 174 1 11 HELIX 10 10 SER A 182 GLN A 203 1 22 HELIX 11 11 SER A 230 ASN A 236 1 7 HELIX 12 12 ASN A 242 ILE A 246 5 5 SHEET 1 A 6 VAL A 2 ARG A 5 0 SHEET 2 A 6 TYR A 47 PHE A 53 1 O LEU A 49 N VAL A 2 SHEET 3 A 6 THR A 59 ASP A 65 -1 O ILE A 60 N LEU A 52 SHEET 4 A 6 ILE A 71 ALA A 76 -1 N MET A 72 O ALA A 63 SHEET 5 A 6 THR A 79 PHE A 82 -1 O THR A 79 N ALA A 76 SHEET 6 A 6 ARG A 101 THR A 104 1 O ARG A 101 N SER A 80 SHEET 1 B 2 PHE A 27 VAL A 31 0 SHEET 2 B 2 ILE A 34 LEU A 37 -1 N ILE A 34 O VAL A 31 SHEET 1 C 2 ILE A 208 LEU A 215 0 SHEET 2 C 2 VAL A 223 ASN A 227 -1 N VAL A 223 O LEU A 215 SITE 1 CAT 3 TYR A 70 GLU A 160 ARG A 163 SITE 1 AC1 12 VAL A 69 TYR A 70 ILE A 71 GLY A 109 SITE 2 AC1 12 TYR A 111 ILE A 155 ARG A 163 GLU A 189 SITE 3 AC1 12 HOH A 340 HOH A 341 HOH A 342 HOH A 343 CRYST1 131.400 131.400 49.800 90.00 90.00 120.00 H 3 9 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 0.007610 0.004394 0.000000 0.00000 SCALE2 0.000000 0.008788 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020080 0.00000