HEADER TRANSFERASE 07-JUN-00 1F4F TITLE CRYSTAL STRUCTURE OF E. COLI THYMIDYLATE SYNTHASE COMPLEXED WITH SP- TITLE 2 722 COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.1.1.45; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: C2913; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PTHYAWT KEYWDS CRYSTAL STRUCTURE OF E. COLI THYMIDYLATE SYNTHASE COMPLEXED WITH SP- KEYWDS 2 722, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.A.ERLANSON,A.C.BRAISTED,D.R.RAPHAEL,M.RANDAL,R.M.STROUD,E.GORDON, AUTHOR 2 J.A.WELLS REVDAT 9 03-NOV-21 1F4F 1 REMARK SEQADV LINK REVDAT 8 28-FEB-18 1F4F 1 REMARK REVDAT 7 31-JAN-18 1F4F 1 REMARK REVDAT 6 04-OCT-17 1F4F 1 REMARK REVDAT 5 13-JUL-11 1F4F 1 VERSN REVDAT 4 24-FEB-09 1F4F 1 VERSN REVDAT 3 01-APR-03 1F4F 1 JRNL REVDAT 2 29-NOV-00 1F4F 1 JRNL REVDAT 1 22-JUN-00 1F4F 0 JRNL AUTH D.A.ERLANSON,A.C.BRAISTED,D.R.RAPHAEL,M.RANDAL,R.M.STROUD, JRNL AUTH 2 E.M.GORDON,J.A.WELLS JRNL TITL SITE-DIRECTED LIGAND DISCOVERY. JRNL REF PROC.NATL.ACAD.SCI.USA V. 97 9367 2000 JRNL REFN ISSN 0027-8424 JRNL PMID 10944209 JRNL DOI 10.1073/PNAS.97.17.9367 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 40497 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 + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4271 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 83 REMARK 3 SOLVENT ATOMS : 473 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.17 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.20 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.200 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.180 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.160 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.000 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.007 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.027 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.032 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.098 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.178 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.235 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.124 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 15.000 REMARK 3 PLANAR (DEGREES) : 3.800 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 14.500; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 25.700; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.100 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.900 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.100 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.900 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1F4F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JUN-00. REMARK 100 THE DEPOSITION ID IS D_1000011229. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40497 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.25 REMARK 200 R MERGE FOR SHELL (I) : 0.31900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M AMMONIUM SULPHATE, 20 MM REMARK 280 POTASSIUM PHOSPHATE, 0.2 M EDTA, PH 7.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 20.0K, TEMPERATURE 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 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,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-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 -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 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.40600 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 33.40600 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 33.40600 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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS THE BIOLOGICALLY RELEVANT REMARK 300 HOMODIMER 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -94.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 ALA A 263 REMARK 465 ILE A 264 REMARK 465 VAL B 262 REMARK 465 ALA B 263 REMARK 465 ILE B 264 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 LYS A 18 CA - CB - CG ANGL. DEV. = 15.2 DEGREES REMARK 500 ARG A 225 CG - CD - NE ANGL. DEV. = 13.0 DEGREES REMARK 500 ARG A 225 CD - NE - CZ ANGL. DEV. = 12.4 DEGREES REMARK 500 ARG B 35 CD - NE - CZ ANGL. DEV. = 9.3 DEGREES REMARK 500 ARG B 35 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG B 35 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG B 126 NE - CZ - NH2 ANGL. DEV. = -4.3 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 20 -178.87 -64.29 REMARK 500 THR A 24 115.46 -36.37 REMARK 500 TYR A 94 -77.94 -7.17 REMARK 500 ALA A 100 67.38 -153.83 REMARK 500 TYR B 94 -79.11 -7.61 REMARK 500 ALA B 100 52.88 -150.48 REMARK 500 ASP B 122 59.91 -147.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH B 956 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 811 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 812 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 814 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TP3 A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TP3 B 702 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1F4B RELATED DB: PDB REMARK 900 1F4B CONTAINS THE SAME PROTEIN REMARK 900 RELATED ID: 1F4C RELATED DB: PDB REMARK 900 1F4C CONTAINS THE SAME PROTEIN COVALENTLY MODIFIED AT C146 WITH N- REMARK 900 [TOSYL-D-PROLINYL]AMINO-ETHANETHIOL REMARK 900 RELATED ID: 1F4D RELATED DB: PDB REMARK 900 1F4D CONTAINS A MUTANT FORM OF THE SAME PROTEIN COVALENTLY MODIFIED REMARK 900 AT C143 WITH N-[TOSYL-D-PROLINYL]AMINO-ETHANETHIOL REMARK 900 RELATED ID: 1F4E RELATED DB: PDB REMARK 900 1F4E CONTAINS THE SAME PROTEIN COMPLEXED WITH TOSYL-D-PROLINE REMARK 900 RELATED ID: 1F4G RELATED DB: PDB REMARK 900 1F4G CONTAINS THE SAME PROTEIN COMPLEXED WITH SP-876 DBREF 1F4F A 1 264 UNP P0A884 TYSY_ECOLI 1 264 DBREF 1F4F B 1 264 UNP P0A884 TYSY_ECOLI 1 264 SEQADV 1F4F CXM A 1 UNP P0A884 MET 1 ENGINEERED MUTATION SEQADV 1F4F CXM B 1 UNP P0A884 MET 1 ENGINEERED MUTATION SEQRES 1 A 264 CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP SEQRES 2 A 264 GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR SEQRES 3 A 264 LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN SEQRES 4 A 264 ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU SEQRES 5 A 264 ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY SEQRES 6 A 264 ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR SEQRES 7 A 264 ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY SEQRES 8 A 264 PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO SEQRES 9 A 264 ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN SEQRES 10 A 264 GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL SEQRES 11 A 264 SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU SEQRES 12 A 264 ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP SEQRES 13 A 264 GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP SEQRES 14 A 264 VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA SEQRES 15 A 264 LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU SEQRES 16 A 264 VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU SEQRES 17 A 264 TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER SEQRES 18 A 264 ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG SEQRES 19 A 264 LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE SEQRES 20 A 264 GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA SEQRES 21 A 264 PRO VAL ALA ILE SEQRES 1 B 264 CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP SEQRES 2 B 264 GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR SEQRES 3 B 264 LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN SEQRES 4 B 264 ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU SEQRES 5 B 264 ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY SEQRES 6 B 264 ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR SEQRES 7 B 264 ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY SEQRES 8 B 264 PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO SEQRES 9 B 264 ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN SEQRES 10 B 264 GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL SEQRES 11 B 264 SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU SEQRES 12 B 264 ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP SEQRES 13 B 264 GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP SEQRES 14 B 264 VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA SEQRES 15 B 264 LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU SEQRES 16 B 264 VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU SEQRES 17 B 264 TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER SEQRES 18 B 264 ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG SEQRES 19 B 264 LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE SEQRES 20 B 264 GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA SEQRES 21 B 264 PRO VAL ALA ILE MODRES 1F4F CXM A 1 MET N-CARBOXYMETHIONINE MODRES 1F4F CXM B 1 MET N-CARBOXYMETHIONINE HET CXM A 1 11 HET CXM B 1 11 HET SO4 A 801 5 HET SO4 A 811 5 HET SO4 A 812 5 HET TP3 A 701 29 HET SO4 B 802 5 HET SO4 B 814 5 HET TP3 B 702 33 HETNAM CXM N-CARBOXYMETHIONINE HETNAM SO4 SULFATE ION HETNAM TP3 4-[[GLUTAMIC ACID]-CARBONYL]-BENZENE-SULFONYL-D-PROLINE HETSYN TP3 SP-722 FORMUL 1 CXM 2(C6 H11 N O4 S) FORMUL 3 SO4 5(O4 S 2-) FORMUL 6 TP3 2(C17 H20 N2 O9 S) FORMUL 10 HOH *473(H2 O) HELIX 1 1 LYS A 2 GLY A 15 1 14 HELIX 2 2 GLN A 39 GLY A 41 5 3 HELIX 3 3 HIS A 51 GLY A 65 1 15 HELIX 4 4 ILE A 69 ASN A 75 1 7 HELIX 5 5 TRP A 80 ALA A 84 5 5 HELIX 6 6 VAL A 93 ALA A 100 1 8 HELIX 7 7 ASP A 110 ASP A 122 1 13 HELIX 8 8 GLU A 137 MET A 141 5 5 HELIX 9 9 GLY A 173 CYS A 192 1 20 HELIX 10 10 HIS A 212 SER A 221 1 10 HELIX 11 11 SER A 238 TYR A 242 5 5 HELIX 12 12 ARG A 243 GLU A 245 5 3 HELIX 13 13 LYS B 2 GLY B 15 1 14 HELIX 14 14 GLN B 39 GLY B 41 5 3 HELIX 15 15 HIS B 51 GLN B 64 1 14 HELIX 16 16 ILE B 69 GLU B 74 1 6 HELIX 17 17 VAL B 93 ALA B 100 1 8 HELIX 18 18 ASP B 110 ASP B 122 1 13 HELIX 19 19 ASN B 134 MET B 141 5 8 HELIX 20 20 LEU B 172 CYS B 192 1 21 HELIX 21 21 HIS B 212 SER B 221 1 10 HELIX 22 22 ARG B 243 GLU B 245 5 3 SHEET 1 A 6 THR A 16 ASN A 19 0 SHEET 2 A 6 GLY A 25 ASN A 37 -1 O THR A 26 N LYS A 18 SHEET 3 A 6 GLU A 195 TYR A 209 -1 N PHE A 199 O PHE A 36 SHEET 4 A 6 LYS A 158 ASP A 169 1 N LEU A 159 O GLU A 195 SHEET 5 A 6 HIS A 147 ALA A 155 -1 N ALA A 148 O TYR A 164 SHEET 6 A 6 ILE A 129 SER A 131 -1 O VAL A 130 N PHE A 150 SHEET 1 B 2 TRP A 101 PRO A 102 0 SHEET 2 B 2 HIS A 108 ILE A 109 -1 N ILE A 109 O TRP A 101 SHEET 1 C 2 LYS A 229 ILE A 232 0 SHEET 2 C 2 PHE A 247 GLU A 250 -1 O GLU A 248 N ILE A 231 SHEET 1 D 6 THR B 16 ASN B 19 0 SHEET 2 D 6 GLY B 25 ASN B 37 -1 O THR B 26 N LYS B 18 SHEET 3 D 6 GLU B 195 TYR B 209 -1 N PHE B 199 O PHE B 36 SHEET 4 D 6 LYS B 158 ASP B 169 1 N LEU B 159 O GLU B 195 SHEET 5 D 6 HIS B 147 ALA B 155 -1 N ALA B 148 O TYR B 164 SHEET 6 D 6 ILE B 129 SER B 131 -1 O VAL B 130 N PHE B 150 SHEET 1 E 2 TRP B 101 PRO B 102 0 SHEET 2 E 2 HIS B 108 ILE B 109 -1 N ILE B 109 O TRP B 101 SHEET 1 F 2 LYS B 229 ILE B 232 0 SHEET 2 F 2 PHE B 247 GLU B 250 -1 O GLU B 248 N ILE B 231 LINK C CXM A 1 N LYS A 2 1555 1555 1.33 LINK C CXM B 1 N LYS B 2 1555 1555 1.31 SITE 1 AC1 7 ARG A 21 ARG A 166 HOH A 869 HOH A1001 SITE 2 AC1 7 HOH A1012 ARG B 126 HOH B 953 SITE 1 AC2 5 ARG A 126 ARG B 21 ARG B 166 HOH B 936 SITE 2 AC2 5 HOH B1020 SITE 1 AC3 5 HIS A 51 LEU A 52 ARG A 53 HOH A 929 SITE 2 AC3 5 HOH A 934 SITE 1 AC4 5 GLU A 223 ARG A 225 HIS A 255 HOH A 840 SITE 2 AC4 5 HOH A 928 SITE 1 AC5 5 ARG A 243 GLY B 106 ARG B 107 HIS B 108 SITE 2 AC5 5 HOH B 868 SITE 1 AC6 16 THR A 78 ILE A 79 TRP A 80 TRP A 83 SITE 2 AC6 16 LEU A 143 CYS A 146 LEU A 172 PHE A 176 SITE 3 AC6 16 ASN A 177 HOH A 818 HOH A 851 HOH A 885 SITE 4 AC6 16 HOH A 961 HOH A 999 HOH A1042 HOH A1076 SITE 1 AC7 15 SER B 54 GLU B 58 THR B 78 ILE B 79 SITE 2 AC7 15 TRP B 80 TYR B 94 LEU B 143 CYS B 146 SITE 3 AC7 15 LEU B 172 PHE B 176 ASN B 177 HOH B 825 SITE 4 AC7 15 HOH B 910 HOH B 952 HOH B 989 CRYST1 126.140 126.140 66.812 90.00 90.00 120.00 P 63 12 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 0.007930 0.004580 0.000000 0.00000 SCALE2 0.000000 0.009150 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014970 0.00000 HETATM 1 N CXM A 1 21.911 20.518 49.228 1.00 25.90 N HETATM 2 CA CXM A 1 23.205 20.835 49.615 1.00 26.89 C HETATM 3 CB CXM A 1 24.340 20.511 48.629 1.00 25.69 C HETATM 4 CG CXM A 1 24.631 19.041 48.376 1.00 26.39 C HETATM 5 SD CXM A 1 25.678 18.729 46.940 1.00 24.81 S HETATM 6 CE CXM A 1 24.535 18.864 45.577 1.00 24.42 C HETATM 7 C CXM A 1 23.223 22.375 49.776 1.00 27.61 C HETATM 8 O CXM A 1 22.462 23.124 49.094 1.00 26.81 O HETATM 9 CN CXM A 1 21.455 19.586 50.130 1.00 27.25 C HETATM 10 ON1 CXM A 1 22.027 18.483 50.304 1.00 28.39 O HETATM 11 ON2 CXM A 1 20.595 18.989 49.489 1.00 26.50 O