HEADER TRANSCRIPTION 16-OCT-01 1K6I TITLE CRYSTAL STRUCTURE OF NMRA, A NEGATIVE TRANSCRIPTIONAL REGULATOR TITLE 2 (TRIGONAL FORM) COMPND MOL_ID: 1; COMPND 2 MOLECULE: NMRA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EMERICELLA NIDULANS; SOURCE 3 ORGANISM_TAXID: 162425; SOURCE 4 GENE: NMRA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL23 DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTRC99A KEYWDS ROSSMANN FOLD TRANSCRIPTIONAL REGULATION SHORT CHAIN DEHYDROGENASE KEYWDS 2 REDUCTASE, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR D.K.STAMMERS,J.REN,K.LESLIE,C.E.NICHOLS,H.K.LAMB,S.COCKLIN,A.DODDS, AUTHOR 2 A.R.HAWKINS REVDAT 3 07-FEB-24 1K6I 1 REMARK REVDAT 2 24-FEB-09 1K6I 1 VERSN REVDAT 1 05-DEC-01 1K6I 0 JRNL AUTH D.K.STAMMERS,J.REN,K.LESLIE,C.E.NICHOLS,H.K.LAMB,S.COCKLIN, JRNL AUTH 2 A.DODDS,A.R.HAWKINS JRNL TITL THE STRUCTURE OF THE NEGATIVE TRANSCRIPTIONAL REGULATOR NMRA JRNL TITL 2 REVEALS A STRUCTURAL SUPERFAMILY WHICH INCLUDES THE JRNL TITL 3 SHORT-CHAIN DEHYDROGENASE/REDUCTASES. JRNL REF EMBO J. V. 20 6619 2001 JRNL REFN ISSN 0261-4189 JRNL PMID 11726498 JRNL DOI 10.1093/EMBOJ/20.23.6619 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.E.NICHOLS,S.COCKLIN,A.DODDS,J.REN,H.LAMB,A.R.HAWKINS, REMARK 1 AUTH 2 D.K.STAMMERS REMARK 1 TITL EXPRESSION PURICATION AND CRYSTALLISATION OF ASPERGILLUS REMARK 1 TITL 2 NIDULANS NMRA- A NEGATIVE REGULATORY PROTEIN. REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 57 1722 2001 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S090744490101410X REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1679494.700 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.4 REMARK 3 NUMBER OF REFLECTIONS : 29822 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 SET) : 0.209 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1474 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 51.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1604 REMARK 3 BIN R VALUE (WORKING SET) : 0.3270 REMARK 3 BIN FREE R VALUE : 0.3630 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 93 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.038 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2530 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 379 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.83000 REMARK 3 B22 (A**2) : -0.83000 REMARK 3 B33 (A**2) : 1.65000 REMARK 3 B12 (A**2) : 0.55000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.25 REMARK 3 LOW RESOLUTION CUTOFF (A) : 20.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.27 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.970 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 4.670 ; 5.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.820 ; 10.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.910 ; 6.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.710 ; 15.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.42 REMARK 3 BSOL : 74.84 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K6I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014621. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-SEP-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29825 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.5 REMARK 200 DATA REDUNDANCY : 10.60 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 51.6 REMARK 200 DATA REDUNDANCY IN SHELL : 8.80 REMARK 200 R MERGE FOR SHELL (I) : 0.13900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 9.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POTASSIUM CHLORIDE, SODIUM DIHYDROGEN REMARK 280 PHOSPHATE, POTASSIUM DIHYDROGEN PHOSPHATE, MES, PH 6.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 69.93333 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 34.96667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 34.96667 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 69.93333 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 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 ARG A 284 REMARK 465 PRO A 285 REMARK 465 ALA A 286 REMARK 465 ALA A 287 REMARK 465 GLY A 288 REMARK 465 SER A 289 REMARK 465 PRO A 290 REMARK 465 LYS A 291 REMARK 465 GLY A 292 REMARK 465 LEU A 293 REMARK 465 GLY A 294 REMARK 465 PRO A 295 REMARK 465 ALA A 296 REMARK 465 ASN A 297 REMARK 465 GLY A 298 REMARK 465 LYS A 299 REMARK 465 GLY A 300 REMARK 465 ALA A 301 REMARK 465 GLY A 302 REMARK 465 ALA A 303 REMARK 465 GLY A 304 REMARK 465 MET A 305 REMARK 465 MET A 306 REMARK 465 GLN A 307 REMARK 465 GLY A 308 REMARK 465 PRO A 309 REMARK 465 GLY A 310 REMARK 465 GLY A 311 REMARK 465 VAL A 312 REMARK 465 ILE A 313 REMARK 465 SER A 314 REMARK 465 GLN A 315 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 GLN A 4 93.31 70.18 REMARK 500 ASN A 63 57.30 -148.67 REMARK 500 LEU A 164 -41.84 62.09 REMARK 500 MET A 167 79.66 -102.48 REMARK 500 PHE A 282 32.67 -93.29 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 CL A 360 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 361 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 362 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 363 REMARK 999 REMARK 999 SEQUENCE REMARK 999 BASED ON SEQUENCE BOTH GENOMIC DNA AND CDNA SHOWED ARG 238 REMARK 999 MOST LIKELY THERE IS AN ERROR IN THE PUBLISHED SEQUENCE OR REMARK 999 A SEQUENCE VARIANT IN THE STRAIN USED DBREF 1K6I A 1 352 UNP O59919 O59919_EMENI 1 352 SEQADV 1K6I ARG A 238 UNP O59919 LEU 238 SEE REMARK 999 SEQRES 1 A 352 MET ALA GLN GLN LYS LYS THR ILE ALA VAL VAL ASN ALA SEQRES 2 A 352 THR GLY ARG GLN ALA ALA SER LEU ILE ARG VAL ALA ALA SEQRES 3 A 352 ALA VAL GLY HIS HIS VAL ARG ALA GLN VAL HIS SER LEU SEQRES 4 A 352 LYS GLY LEU ILE ALA GLU GLU LEU GLN ALA ILE PRO ASN SEQRES 5 A 352 VAL THR LEU PHE GLN GLY PRO LEU LEU ASN ASN VAL PRO SEQRES 6 A 352 LEU MET ASP THR LEU PHE GLU GLY ALA HIS LEU ALA PHE SEQRES 7 A 352 ILE ASN THR THR SER GLN ALA GLY ASP GLU ILE ALA ILE SEQRES 8 A 352 GLY LYS ASP LEU ALA ASP ALA ALA LYS ARG ALA GLY THR SEQRES 9 A 352 ILE GLN HIS TYR ILE TYR SER SER MET PRO ASP HIS SER SEQRES 10 A 352 LEU TYR GLY PRO TRP PRO ALA VAL PRO MET TRP ALA PRO SEQRES 11 A 352 LYS PHE THR VAL GLU ASN TYR VAL ARG GLN LEU GLY LEU SEQRES 12 A 352 PRO SER THR PHE VAL TYR ALA GLY ILE TYR ASN ASN ASN SEQRES 13 A 352 PHE THR SER LEU PRO TYR PRO LEU PHE GLN MET GLU LEU SEQRES 14 A 352 MET PRO ASP GLY THR PHE GLU TRP HIS ALA PRO PHE ASP SEQRES 15 A 352 PRO ASP ILE PRO LEU PRO TRP LEU ASP ALA GLU HIS ASP SEQRES 16 A 352 VAL GLY PRO ALA LEU LEU GLN ILE PHE LYS ASP GLY PRO SEQRES 17 A 352 GLN LYS TRP ASN GLY HIS ARG ILE ALA LEU THR PHE GLU SEQRES 18 A 352 THR LEU SER PRO VAL GLN VAL CYS ALA ALA PHE SER ARG SEQRES 19 A 352 ALA LEU ASN ARG ARG VAL THR TYR VAL GLN VAL PRO LYS SEQRES 20 A 352 VAL GLU ILE LYS VAL ASN ILE PRO VAL GLY TYR ARG GLU SEQRES 21 A 352 GLN LEU GLU ALA ILE GLU VAL VAL PHE GLY GLU HIS LYS SEQRES 22 A 352 ALA PRO TYR PHE PRO LEU PRO GLU PHE SER ARG PRO ALA SEQRES 23 A 352 ALA GLY SER PRO LYS GLY LEU GLY PRO ALA ASN GLY LYS SEQRES 24 A 352 GLY ALA GLY ALA GLY MET MET GLN GLY PRO GLY GLY VAL SEQRES 25 A 352 ILE SER GLN ARG VAL THR ASP GLU ALA ARG LYS LEU TRP SEQRES 26 A 352 SER GLY TRP ARG ASP MET GLU GLU TYR ALA ARG GLU VAL SEQRES 27 A 352 PHE PRO ILE GLU GLU GLU ALA ASN GLY LEU ASP TRP MET SEQRES 28 A 352 LEU HET CL A 360 1 HET CL A 361 1 HET CL A 362 1 HET CL A 363 1 HETNAM CL CHLORIDE ION FORMUL 2 CL 4(CL 1-) FORMUL 6 HOH *379(H2 O) HELIX 1 1 GLY A 15 VAL A 28 1 14 HELIX 2 2 GLY A 41 ALA A 49 1 9 HELIX 3 3 ASN A 63 GLU A 72 1 10 HELIX 4 4 ASP A 87 GLY A 103 1 17 HELIX 5 5 ASP A 115 TYR A 119 5 5 HELIX 6 6 TRP A 128 GLN A 140 1 13 HELIX 7 7 ASN A 155 PHE A 157 5 3 HELIX 8 8 ASP A 191 GLY A 207 1 17 HELIX 9 9 GLY A 207 ASN A 212 1 6 HELIX 10 10 SER A 224 ASN A 237 1 14 HELIX 11 11 PRO A 255 GLY A 270 1 16 HELIX 12 12 LEU A 279 SER A 283 5 5 HELIX 13 13 THR A 318 TRP A 325 1 8 HELIX 14 14 ASP A 330 VAL A 338 1 9 HELIX 15 15 VAL A 338 ASN A 346 1 9 SHEET 1 A 7 VAL A 53 GLN A 57 0 SHEET 2 A 7 VAL A 32 VAL A 36 1 N ALA A 34 O THR A 54 SHEET 3 A 7 ILE A 8 VAL A 10 1 N VAL A 10 O GLN A 35 SHEET 4 A 7 LEU A 76 ILE A 79 1 O LEU A 76 N ALA A 9 SHEET 5 A 7 HIS A 107 SER A 112 1 O ILE A 109 N ILE A 79 SHEET 6 A 7 SER A 145 ALA A 150 1 O THR A 146 N TYR A 110 SHEET 7 A 7 ARG A 215 LEU A 218 1 O ILE A 216 N PHE A 147 SHEET 1 B 3 ILE A 152 TYR A 153 0 SHEET 2 B 3 LEU A 187 LEU A 190 1 O PRO A 188 N ILE A 152 SHEET 3 B 3 GLU A 221 LEU A 223 -1 O LEU A 223 N LEU A 187 SHEET 1 C 3 MET A 167 LEU A 169 0 SHEET 2 C 3 PHE A 175 ALA A 179 -1 O GLU A 176 N GLU A 168 SHEET 3 C 3 VAL A 240 GLN A 244 1 O VAL A 243 N TRP A 177 SITE 1 AC1 5 LYS A 6 HIS A 30 ASN A 253 HOH A 584 SITE 2 AC1 5 HOH A 660 SITE 1 AC2 5 GLN A 48 ILE A 50 VAL A 53 HOH A 528 SITE 2 AC2 5 HOH A 602 SITE 1 AC3 6 ARG A 139 LEU A 141 ASN A 346 HOH A 547 SITE 2 AC3 6 HOH A 575 HOH A 576 SITE 1 AC4 6 LEU A 76 GLN A 106 PRO A 208 VAL A 252 SITE 2 AC4 6 ASN A 253 HOH A 433 CRYST1 76.800 76.800 104.900 90.00 90.00 120.00 P 32 2 1 6 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 0.013021 0.007518 0.000000 0.00000 SCALE2 0.000000 0.015035 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009533 0.00000