HEADER HYDROLASE/HYDROLASE INHIBITOR 05-NOV-12 4HV7 TITLE STRUCTURE OF RICIN A CHAIN BOUND WITH N-(N-(PTERIN-7-YL) TITLE 2 CARBONYLGLYCYL)GLYCINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: RICIN; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: RICIN A CHAIN, RRNA N-GLYCOSIDASE, LINKER PEPTIDE, RICIN B COMPND 5 CHAIN; COMPND 6 EC: 3.2.2.22; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RICINUS COMMUNIS; SOURCE 3 ORGANISM_COMMON: CASTOR BEAN; SOURCE 4 ORGANISM_TAXID: 3988; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM101; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PUTA KEYWDS RICIN, PROTEIN-LIGAND COMPLEX, PTERIN, HYDROLASE-HYDROLASE INHIBITOR KEYWDS 2 COMPLEX, TOXIN, HYDROLASE, RIBOSOME-INACTIVATING PROTEIN, N- KEYWDS 3 GLYCOSIDASE EXPDTA X-RAY DIFFRACTION AUTHOR K.R.JASHEWAY,A.F.MONZINGO,R.SAITO,J.M.PRUET,L.A.MANZANO,P.A.WIGET, AUTHOR 2 E.V.ANSLYN,J.D.ROBERTUS REVDAT 5 20-SEP-23 4HV7 1 REMARK REVDAT 4 14-DEC-16 4HV7 1 TITLE REVDAT 3 29-APR-15 4HV7 1 HETSYN REVDAT 2 06-MAR-13 4HV7 1 JRNL REVDAT 1 26-DEC-12 4HV7 0 JRNL AUTH R.SAITO,J.M.PRUET,L.A.MANZANO,K.JASHEWAY,A.F.MONZINGO, JRNL AUTH 2 P.A.WIGET,I.KAMAT,E.V.ANSLYN,J.D.ROBERTUS JRNL TITL PEPTIDE-CONJUGATED PTERINS AS INHIBITORS OF RICIN TOXIN A. JRNL REF J.MED.CHEM. V. 56 320 2013 JRNL REFN ISSN 0022-2623 JRNL PMID 23214944 JRNL DOI 10.1021/JM3016393 REMARK 2 REMARK 2 RESOLUTION. 1.87 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.6.4_486 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.87 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.99 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 27514 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.204 REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 1393 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 49.0067 - 4.0254 1.00 2910 145 0.1806 0.2012 REMARK 3 2 4.0254 - 3.1952 1.00 2751 146 0.1822 0.2096 REMARK 3 3 3.1952 - 2.7914 1.00 2718 144 0.2111 0.2497 REMARK 3 4 2.7914 - 2.5362 1.00 2670 134 0.2144 0.2393 REMARK 3 5 2.5362 - 2.3544 1.00 2665 154 0.2131 0.2636 REMARK 3 6 2.3544 - 2.2156 0.98 2601 150 0.2208 0.2909 REMARK 3 7 2.2156 - 2.1046 1.00 2670 128 0.2078 0.2491 REMARK 3 8 2.1046 - 2.0130 1.00 2614 134 0.2033 0.2678 REMARK 3 9 2.0130 - 1.9355 0.99 2635 153 0.2396 0.2790 REMARK 3 10 1.9355 - 1.8690 0.72 1887 105 0.3564 0.3858 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 27.99 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.240 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.060 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.79 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.74080 REMARK 3 B22 (A**2) : 4.74080 REMARK 3 B33 (A**2) : -9.48160 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2180 REMARK 3 ANGLE : 0.951 2971 REMARK 3 CHIRALITY : 0.065 325 REMARK 3 PLANARITY : 0.005 394 REMARK 3 DIHEDRAL : 13.906 793 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4HV7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-NOV-12. REMARK 100 THE DEPOSITION ID IS D_1000075961. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL, SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27776 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.869 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.80 REMARK 200 R MERGE (I) : 0.13100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.63000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1RTC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.3 M AMMONIUM SULFATE, 0.1 M SODIUM REMARK 280 MALONATE, PH 5.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 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 70.42200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.09800 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.09800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 35.21100 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.09800 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.09800 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 105.63300 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.09800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.09800 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 35.21100 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.09800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.09800 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 105.63300 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 70.42200 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2390 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 KCAL/MOL 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -70.42200 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH X 430 LIES ON A SPECIAL POSITION. 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 ILE X 1 REMARK 465 PHE X 2 REMARK 465 PRO X 3 REMARK 465 LYS X 4 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 O HOH X 588 O HOH X 640 1.99 REMARK 500 O HOH X 423 O HOH X 549 2.04 REMARK 500 O HOH X 495 O HOH X 660 2.13 REMARK 500 O HOH X 494 O HOH X 554 2.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: 2-[2-[(2-AZANYL-4-OXIDANYLIDENE-1H-PTERIDIN-7-YL) REMARK 630 CARBONYLAMINO]ETHANOYLAMINO]ETHANOIC ACID REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 19J X 301 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: JP2 GLY GLY REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 19J X 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 X 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MLA X 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RTC RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN (RECOMBINANT) REMARK 900 RELATED ID: 1IFT RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN (RECOMBINANT) REMARK 900 RELATED ID: 1BR6 RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH PTEROIC ACID REMARK 900 RELATED ID: 1PX8 RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH 7-CARBOXY-PTERIN REMARK 900 RELATED ID: 1PX9 RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH N-(FURANYLMETHYL)-7-CARBAMOYL- REMARK 900 PTERIN REMARK 900 RELATED ID: 4ESI RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH N-((1H-1,2,3-TRIAZOL-4-YL) REMARK 900 METHYL-2-AMINO-4-OXO-3,4-DIHYDROPTERIDINE-7-CARBOXAMIDE REMARK 900 RELATED ID: 4HUO RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH N-(N-(PTERIN-7-YL) REMARK 900 CARBONYLGLYCYL)-L-PHENYLALANINE REMARK 900 RELATED ID: 4HUP RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH N-(N-(N-(PTERIN-7-YL) REMARK 900 CARBONYLGLYCYL)-L-PHENYLALANYL)-L-PHENYLALANINE REMARK 900 RELATED ID: 4HV3 RELATED DB: PDB REMARK 900 STRUCTURE OF RICIN A CHAIN BOUND WITH N-(N-(PTERIN-7-YL)CARBONYL-L- REMARK 900 SERINYL)-L-TRYPTOPHAN DBREF 4HV7 X 1 267 UNP P02879 RICI_RICCO 36 302 SEQRES 1 X 267 ILE PHE PRO LYS GLN TYR PRO ILE ILE ASN PHE THR THR SEQRES 2 X 267 ALA GLY ALA THR VAL GLN SER TYR THR ASN PHE ILE ARG SEQRES 3 X 267 ALA VAL ARG GLY ARG LEU THR THR GLY ALA ASP VAL ARG SEQRES 4 X 267 HIS GLU ILE PRO VAL LEU PRO ASN ARG VAL GLY LEU PRO SEQRES 5 X 267 ILE ASN GLN ARG PHE ILE LEU VAL GLU LEU SER ASN HIS SEQRES 6 X 267 ALA GLU LEU SER VAL THR LEU ALA LEU ASP VAL THR ASN SEQRES 7 X 267 ALA TYR VAL VAL GLY TYR ARG ALA GLY ASN SER ALA TYR SEQRES 8 X 267 PHE PHE HIS PRO ASP ASN GLN GLU ASP ALA GLU ALA ILE SEQRES 9 X 267 THR HIS LEU PHE THR ASP VAL GLN ASN ARG TYR THR PHE SEQRES 10 X 267 ALA PHE GLY GLY ASN TYR ASP ARG LEU GLU GLN LEU ALA SEQRES 11 X 267 GLY ASN LEU ARG GLU ASN ILE GLU LEU GLY ASN GLY PRO SEQRES 12 X 267 LEU GLU GLU ALA ILE SER ALA LEU TYR TYR TYR SER THR SEQRES 13 X 267 GLY GLY THR GLN LEU PRO THR LEU ALA ARG SER PHE ILE SEQRES 14 X 267 ILE CYS ILE GLN MET ILE SER GLU ALA ALA ARG PHE GLN SEQRES 15 X 267 TYR ILE GLU GLY GLU MET ARG THR ARG ILE ARG TYR ASN SEQRES 16 X 267 ARG ARG SER ALA PRO ASP PRO SER VAL ILE THR LEU GLU SEQRES 17 X 267 ASN SER TRP GLY ARG LEU SER THR ALA ILE GLN GLU SER SEQRES 18 X 267 ASN GLN GLY ALA PHE ALA SER PRO ILE GLN LEU GLN ARG SEQRES 19 X 267 ARG ASN GLY SER LYS PHE SER VAL TYR ASP VAL SER ILE SEQRES 20 X 267 LEU ILE PRO ILE ILE ALA LEU MET VAL TYR ARG CYS ALA SEQRES 21 X 267 PRO PRO PRO SER SER GLN PHE HET 19J X 301 23 HET SO4 X 302 5 HET MLA X 303 11 HETNAM 19J 2-[2-[(2-AZANYL-4-OXIDANYLIDENE-1H-PTERIDIN-7-YL) HETNAM 2 19J CARBONYLAMINO]ETHANOYLAMINO]ETHANOIC ACID HETNAM SO4 SULFATE ION HETNAM MLA MALONIC ACID HETSYN MLA DICARBOXYLIC ACID C3; PROPANEDIOLIC ACID; HETSYN 2 MLA METHANEDICARBOXYLIC ACID FORMUL 2 19J C11 H11 N7 O5 FORMUL 3 SO4 O4 S 2- FORMUL 4 MLA C3 H4 O4 FORMUL 5 HOH *283(H2 O) HELIX 1 1 THR X 17 THR X 33 1 17 HELIX 2 2 PRO X 52 GLN X 55 5 4 HELIX 3 3 ASN X 97 THR X 105 1 9 HELIX 4 4 ASN X 122 GLY X 131 1 10 HELIX 5 5 LEU X 133 ILE X 137 5 5 HELIX 6 6 GLY X 140 TYR X 153 1 14 HELIX 7 7 TYR X 154 GLY X 157 5 4 HELIX 8 8 GLN X 160 PHE X 181 1 22 HELIX 9 9 PHE X 181 ASN X 195 1 15 HELIX 10 10 ASP X 201 SER X 221 1 21 HELIX 11 11 SER X 246 ILE X 249 5 4 SHEET 1 A 6 ILE X 8 THR X 12 0 SHEET 2 A 6 PHE X 57 SER X 63 1 O LEU X 59 N ILE X 9 SHEET 3 A 6 SER X 69 ASP X 75 -1 O VAL X 70 N LEU X 62 SHEET 4 A 6 VAL X 81 ALA X 86 -1 O VAL X 82 N ALA X 73 SHEET 5 A 6 SER X 89 PHE X 92 -1 O SER X 89 N ALA X 86 SHEET 6 A 6 ASN X 113 THR X 116 1 O ASN X 113 N ALA X 90 SHEET 1 B 2 VAL X 38 ARG X 39 0 SHEET 2 B 2 ILE X 42 PRO X 43 -1 O ILE X 42 N ARG X 39 SHEET 1 C 2 ALA X 225 GLN X 233 0 SHEET 2 C 2 LYS X 239 ASP X 244 -1 O PHE X 240 N LEU X 232 SITE 1 AC1 13 ALA X 79 TYR X 80 VAL X 81 PHE X 93 SITE 2 AC1 13 GLY X 121 ASN X 122 TYR X 123 ILE X 172 SITE 3 AC1 13 SER X 176 ARG X 180 HOH X 433 HOH X 447 SITE 4 AC1 13 HOH X 587 SITE 1 AC2 5 THR X 17 GLN X 19 HIS X 65 HOH X 439 SITE 2 AC2 5 HOH X 545 SITE 1 AC3 5 ASN X 195 ARG X 197 HOH X 413 HOH X 622 SITE 2 AC3 5 HOH X 653 CRYST1 68.196 68.196 140.844 90.00 90.00 90.00 P 41 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 0.014664 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014664 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007100 0.00000