HEADER LIGASE 19-APR-01 1IHO TITLE CRYSTAL APO-STRUCTURE OF PANTOTHENATE SYNTHETASE FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: PANTOATE--BETA-ALANINE LIGASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PANTOTHENATE SYNTHETASE, PANTOATE ACTIVATING ENZYME; COMPND 5 EC: 6.3.2.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PANC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: AT1371; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PUC19 PCL KEYWDS ROSSMANN FOLD, DIMER, APO, HIGH, KSMKS, FLEXIBLE DOMAINS, KEYWDS 2 MULTIDOMAIN, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR F.VON DELFT,A.LEWENDON,V.DHANARAJ,T.L.BLUNDELL,C.ABELL,A.SMITH REVDAT 7 03-APR-24 1IHO 1 REMARK REVDAT 6 07-FEB-24 1IHO 1 REMARK REVDAT 5 24-JUL-19 1IHO 1 REMARK REVDAT 4 04-OCT-17 1IHO 1 REMARK REVDAT 3 12-NOV-14 1IHO 1 KEYWDS REVDAT 2 24-FEB-09 1IHO 1 VERSN REVDAT 1 30-MAY-01 1IHO 0 JRNL AUTH F.VON DELFT,A.LEWENDON,V.DHANARAJ,T.L.BLUNDELL,C.ABELL, JRNL AUTH 2 A.G.SMITH JRNL TITL THE CRYSTAL STRUCTURE OF E. COLI PANTOTHENATE SYNTHETASE JRNL TITL 2 CONFIRMS IT AS A MEMBER OF THE CYTIDYLYLTRANSFERASE JRNL TITL 3 SUPERFAMILY. JRNL REF STRUCTURE V. 9 439 2001 JRNL REFN ISSN 0969-2126 JRNL PMID 11377204 JRNL DOI 10.1016/S0969-2126(01)00604-9 REMARK 2 REMARK 2 RESOLUTION. 1.70 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.4 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM 5% REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.211 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.211 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4062 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 77295 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.195 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)) : 6239 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4320 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 614 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 4956.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 4420.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 2035 REMARK 3 NUMBER OF RESTRAINTS : 1823 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 ANGLE DISTANCES (A) : 0.024 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.023 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.030 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.040 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.010 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.070 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: INITIAL REFINEMENT: REFMAC REMARK 3 COMPLETE MISSING SEGEMENTS: BUSTER/TNT REMARK 3 FINAL REFINEMENT: SHELXL; REMARK 3 REMARK 3 PHASES WERE DERIVED FROM 3 SEMET MAD WAVELENGTHS REMARK 3 COMBINED WITH A NATIVE, AND THEN REFINED IT REMARK 3 AGAINST THE NATIVE, BUT INCLUDING EXPERIMENTAL REMARK 3 PHASES. REMARK 4 REMARK 4 1IHO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-APR-01. REMARK 100 THE DEPOSITION ID IS D_1000013277. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-MAY-99; 30-MAY-99 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : NSLS; NSLS REMARK 200 BEAMLINE : X25; X25 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.970,0.8850,0.9791; 1.1 REMARK 200 MONOCHROMATOR : SI(111); SI(111) REMARK 200 OPTICS : CONDENSING MIRROR TUNABLE REMARK 200 MONOCHROMATOR; CONDENSING MIRROR REMARK 200 TUNABLE MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4; BRANDEIS - B4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 81357 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.100 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.10300 REMARK 200 R SYM (I) : 0.10300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.60000 REMARK 200 R SYM FOR SHELL (I) : 0.60000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP, SNB, BUSTER, TNT, SHELX REMARK 200 STARTING MODEL: FROM EXPERIMENTAL PHASES REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000 (4-6%), TRIS BUFFER PH 8 (50 REMARK 280 MM), VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 39.03750 REMARK 290 SMTRY3 2 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS COMPLETELY REMARK 300 REPRESENTED BY THE DIMER IN THE REMARK 300 ASYMMETRIC UNIT. 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 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 283 REMARK 465 ALA B 283 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 64 CZ NH1 NH2 REMARK 470 GLU A 66 CD OE1 OE2 REMARK 470 GLU A 77 CD OE1 OE2 REMARK 470 LYS A 96 CG CD CE NZ REMARK 470 ASP A 223 CG OD1 OD2 REMARK 470 GLU A 235 CD OE1 OE2 REMARK 470 GLU A 253 CD OE1 OE2 REMARK 470 GLU A 256 CB CG CD OE1 OE2 REMARK 470 LYS A 259 CG CD CE NZ REMARK 470 LYS B 45 CE NZ REMARK 470 ARG B 64 CB CG CD NE CZ NH1 NH2 REMARK 470 GLU B 66 CB CG CD OE1 OE2 REMARK 470 ARG B 70 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 80 CG OE1 OE2 REMARK 470 LYS B 84 CG CD CE NZ REMARK 470 LYS B 86 CD CE NZ REMARK 470 LYS B 96 CG CD CE NZ REMARK 470 GLU B 104 CG CD OE1 OE2 REMARK 470 LYS B 181 CG CD CE NZ REMARK 470 ARG B 189 CB CG CD NE CZ NH1 NH2 REMARK 470 TYR B 192 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU B 235 CD OE1 OE2 REMARK 470 GLU B 253 CD OE1 OE2 REMARK 470 GLU B 256 CG CD OE1 OE2 REMARK 470 LYS B 259 CD CE NZ 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 47 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 128 NE - CZ - NH1 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 189 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 11 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG B 18 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG B 23 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG B 246 NE - CZ - NH1 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 LYS A 86 31.11 71.81 REMARK 500 LEU A 118 -122.18 50.00 REMARK 500 THR B 74 52.11 -142.21 REMARK 500 LEU B 118 -119.93 51.54 REMARK 500 SER B 187 141.97 -173.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 702 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 703 DBREF 1IHO A 1 283 UNP P31663 PANC_ECOLI 1 283 DBREF 1IHO B 1 283 UNP P31663 PANC_ECOLI 1 283 SEQRES 1 A 283 MET LEU ILE ILE GLU THR LEU PRO LEU LEU ARG GLN GLN SEQRES 2 A 283 ILE ARG ARG LEU ARG MET GLU GLY LYS ARG VAL ALA LEU SEQRES 3 A 283 VAL PRO THR MET GLY ASN LEU HIS ASP GLY HIS MET LYS SEQRES 4 A 283 LEU VAL ASP GLU ALA LYS ALA ARG ALA ASP VAL VAL VAL SEQRES 5 A 283 VAL SER ILE PHE VAL ASN PRO MET GLN PHE ASP ARG PRO SEQRES 6 A 283 GLU ASP LEU ALA ARG TYR PRO ARG THR LEU GLN GLU ASP SEQRES 7 A 283 CYS GLU LYS LEU ASN LYS ARG LYS VAL ASP LEU VAL PHE SEQRES 8 A 283 ALA PRO SER VAL LYS GLU ILE TYR PRO ASN GLY THR GLU SEQRES 9 A 283 THR HIS THR TYR VAL ASP VAL PRO GLY LEU SER THR MET SEQRES 10 A 283 LEU GLU GLY ALA SER ARG PRO GLY HIS PHE ARG GLY VAL SEQRES 11 A 283 SER THR ILE VAL SER LYS LEU PHE ASN LEU VAL GLN PRO SEQRES 12 A 283 ASP ILE ALA CYS PHE GLY GLU LYS ASP PHE GLN GLN LEU SEQRES 13 A 283 ALA LEU ILE ARG LYS MET VAL ALA ASP MET GLY PHE ASP SEQRES 14 A 283 ILE GLU ILE VAL GLY VAL PRO ILE MET ARG ALA LYS ASP SEQRES 15 A 283 GLY LEU ALA LEU SER SER ARG ASN GLY TYR LEU THR ALA SEQRES 16 A 283 GLU GLN ARG LYS ILE ALA PRO GLY LEU TYR LYS VAL LEU SEQRES 17 A 283 SER SER ILE ALA ASP LYS LEU GLN ALA GLY GLU ARG ASP SEQRES 18 A 283 LEU ASP GLU ILE ILE THR ILE ALA GLY GLN GLU LEU ASN SEQRES 19 A 283 GLU LYS GLY PHE ARG ALA ASP ASP ILE GLN ILE ARG ASP SEQRES 20 A 283 ALA ASP THR LEU LEU GLU VAL SER GLU THR SER LYS ARG SEQRES 21 A 283 ALA VAL ILE LEU VAL ALA ALA TRP LEU GLY ASP ALA ARG SEQRES 22 A 283 LEU ILE ASP ASN LYS MET VAL GLU LEU ALA SEQRES 1 B 283 MET LEU ILE ILE GLU THR LEU PRO LEU LEU ARG GLN GLN SEQRES 2 B 283 ILE ARG ARG LEU ARG MET GLU GLY LYS ARG VAL ALA LEU SEQRES 3 B 283 VAL PRO THR MET GLY ASN LEU HIS ASP GLY HIS MET LYS SEQRES 4 B 283 LEU VAL ASP GLU ALA LYS ALA ARG ALA ASP VAL VAL VAL SEQRES 5 B 283 VAL SER ILE PHE VAL ASN PRO MET GLN PHE ASP ARG PRO SEQRES 6 B 283 GLU ASP LEU ALA ARG TYR PRO ARG THR LEU GLN GLU ASP SEQRES 7 B 283 CYS GLU LYS LEU ASN LYS ARG LYS VAL ASP LEU VAL PHE SEQRES 8 B 283 ALA PRO SER VAL LYS GLU ILE TYR PRO ASN GLY THR GLU SEQRES 9 B 283 THR HIS THR TYR VAL ASP VAL PRO GLY LEU SER THR MET SEQRES 10 B 283 LEU GLU GLY ALA SER ARG PRO GLY HIS PHE ARG GLY VAL SEQRES 11 B 283 SER THR ILE VAL SER LYS LEU PHE ASN LEU VAL GLN PRO SEQRES 12 B 283 ASP ILE ALA CYS PHE GLY GLU LYS ASP PHE GLN GLN LEU SEQRES 13 B 283 ALA LEU ILE ARG LYS MET VAL ALA ASP MET GLY PHE ASP SEQRES 14 B 283 ILE GLU ILE VAL GLY VAL PRO ILE MET ARG ALA LYS ASP SEQRES 15 B 283 GLY LEU ALA LEU SER SER ARG ASN GLY TYR LEU THR ALA SEQRES 16 B 283 GLU GLN ARG LYS ILE ALA PRO GLY LEU TYR LYS VAL LEU SEQRES 17 B 283 SER SER ILE ALA ASP LYS LEU GLN ALA GLY GLU ARG ASP SEQRES 18 B 283 LEU ASP GLU ILE ILE THR ILE ALA GLY GLN GLU LEU ASN SEQRES 19 B 283 GLU LYS GLY PHE ARG ALA ASP ASP ILE GLN ILE ARG ASP SEQRES 20 B 283 ALA ASP THR LEU LEU GLU VAL SER GLU THR SER LYS ARG SEQRES 21 B 283 ALA VAL ILE LEU VAL ALA ALA TRP LEU GLY ASP ALA ARG SEQRES 22 B 283 LEU ILE ASP ASN LYS MET VAL GLU LEU ALA HET TRS A 701 8 HET EDO A 702 6 HET EDO B 703 6 HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETNAM EDO 1,2-ETHANEDIOL HETSYN TRS TRIS BUFFER HETSYN EDO ETHYLENE GLYCOL FORMUL 3 TRS C4 H12 N O3 1+ FORMUL 4 EDO 2(C2 H6 O2) FORMUL 6 HOH *614(H2 O) HELIX 1 1 THR A 6 GLU A 20 1 15 HELIX 2 2 HIS A 34 ALA A 48 1 15 HELIX 3 3 ASN A 58 PHE A 62 5 5 HELIX 4 4 ARG A 64 TYR A 71 1 8 HELIX 5 5 THR A 74 ARG A 85 1 12 HELIX 6 6 SER A 94 TYR A 99 1 6 HELIX 7 7 GLY A 113 MET A 117 5 5 HELIX 8 8 LEU A 118 ARG A 123 1 6 HELIX 9 9 GLY A 125 GLN A 142 1 18 HELIX 10 10 ASP A 152 GLY A 167 1 16 HELIX 11 11 SER A 187 LEU A 193 5 7 HELIX 12 12 THR A 194 ALA A 201 1 8 HELIX 13 13 PRO A 202 ALA A 217 1 16 HELIX 14 14 ASP A 221 GLY A 237 1 17 HELIX 15 15 THR B 6 GLY B 21 1 16 HELIX 16 16 HIS B 34 ALA B 48 1 15 HELIX 17 17 ASN B 58 PHE B 62 5 5 HELIX 18 18 ARG B 64 ARG B 70 1 7 HELIX 19 19 THR B 74 ARG B 85 1 12 HELIX 20 20 SER B 94 TYR B 99 1 6 HELIX 21 21 LEU B 118 ARG B 123 1 6 HELIX 22 22 GLY B 125 GLN B 142 1 18 HELIX 23 23 ASP B 152 GLY B 167 1 16 HELIX 24 24 SER B 187 LEU B 193 5 7 HELIX 25 25 THR B 194 ALA B 201 1 8 HELIX 26 26 PRO B 202 GLY B 218 1 17 HELIX 27 27 ASP B 221 GLY B 237 1 17 SHEET 1 A 6 LEU A 2 ILE A 4 0 SHEET 2 A 6 LEU A 89 PHE A 91 1 O VAL A 90 N ILE A 4 SHEET 3 A 6 VAL A 50 ILE A 55 1 O VAL A 51 N LEU A 89 SHEET 4 A 6 VAL A 24 THR A 29 1 O ALA A 25 N VAL A 52 SHEET 5 A 6 ILE A 145 GLY A 149 1 O ILE A 145 N LEU A 26 SHEET 6 A 6 GLU A 171 VAL A 175 1 O GLU A 171 N ALA A 146 SHEET 1 B 2 TYR A 108 ASP A 110 0 SHEET 2 B 2 TYR B 108 ASP B 110 -1 O TYR B 108 N ASP A 110 SHEET 1 C 3 ARG A 239 ASP A 247 0 SHEET 2 C 3 ARG A 260 LEU A 269 -1 N VAL A 262 O ARG A 246 SHEET 3 C 3 ALA A 272 GLU A 281 -1 O ALA A 272 N LEU A 269 SHEET 1 D 6 LEU B 2 ILE B 4 0 SHEET 2 D 6 LEU B 89 PHE B 91 1 N VAL B 90 O LEU B 2 SHEET 3 D 6 VAL B 50 ILE B 55 1 O VAL B 51 N LEU B 89 SHEET 4 D 6 VAL B 24 THR B 29 1 O ALA B 25 N VAL B 52 SHEET 5 D 6 ILE B 145 GLY B 149 1 O ILE B 145 N LEU B 26 SHEET 6 D 6 GLU B 171 VAL B 175 1 O GLU B 171 N ALA B 146 SHEET 1 E 3 ARG B 239 ASP B 247 0 SHEET 2 E 3 ARG B 260 LEU B 269 -1 N VAL B 262 O ARG B 246 SHEET 3 E 3 ALA B 272 GLU B 281 -1 O ALA B 272 N LEU B 269 SITE 1 AC1 3 SER A 187 ASN A 190 ARG A 198 SITE 1 AC2 5 MET A 30 GLN A 61 ILE A 133 GLN A 155 SITE 2 AC2 5 HOH A 709 SITE 1 AC3 6 MET B 30 GLN B 61 ILE B 133 GLN B 155 SITE 2 AC3 6 HOH B 741 HOH B 825 CRYST1 66.031 78.075 77.126 90.00 103.71 90.00 P 1 21 1 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 0.015144 0.000000 0.003695 0.00000 SCALE2 0.000000 0.012808 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013346 0.00000