HEADER HYDROLASE 25-AUG-15 5AE0 TITLE PERDEUTERATED MOUSE CNPASE CATALYTIC DOMAIN AT ATOMIC RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: 2', 3'-CYCLIC-NUCLEOTIDE 3'-PHOSPHODIESTERASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, UNP RESIDUES 179-398; COMPND 5 SYNONYM: CNP, CNPASE; COMPND 6 EC: 3.1.4.37; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: PERDEUTERATED SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VARIANT: ROSETTA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PETNKI-HIS3C-LIC-KAN KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.LAULUMAA,P.KURSULA REVDAT 4 10-JAN-24 5AE0 1 REMARK REVDAT 3 30-JAN-19 5AE0 1 JRNL REMARK ATOM REVDAT 2 17-JAN-18 5AE0 1 REMARK REVDAT 1 25-NOV-15 5AE0 0 JRNL AUTH A.RAASAKKA,M.MYLLYKOSKI,S.LAULUMAA,M.LEHTIMAKI,M.HARTLEIN, JRNL AUTH 2 M.MOULIN,I.KURSULA,P.KURSULA JRNL TITL DETERMINANTS OF LIGAND BINDING AND CATALYTIC ACTIVITY IN THE JRNL TITL 2 MYELIN ENZYME 2',3'-CYCLIC NUCLEOTIDE 3'-PHOSPHODIESTERASE. JRNL REF SCI REP V. 5 16520 2015 JRNL REFN ESSN 2045-2322 JRNL PMID 26563764 JRNL DOI 10.1038/SREP16520 REMARK 2 REMARK 2 RESOLUTION. 1.04 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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) : 1.04 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.29 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.990 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 90320 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.128 REMARK 3 R VALUE (WORKING SET) : 0.127 REMARK 3 FREE R VALUE : 0.156 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1807 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 29.2990 - 2.4449 1.00 6965 143 0.1284 0.1522 REMARK 3 2 2.4449 - 1.9407 1.00 6853 140 0.1068 0.1111 REMARK 3 3 1.9407 - 1.6954 1.00 6849 140 0.0864 0.1157 REMARK 3 4 1.6954 - 1.5404 1.00 6805 138 0.0801 0.1166 REMARK 3 5 1.5404 - 1.4300 1.00 6806 139 0.0934 0.1582 REMARK 3 6 1.4300 - 1.3457 1.00 6803 139 0.1081 0.1629 REMARK 3 7 1.3457 - 1.2783 1.00 6812 139 0.1201 0.1623 REMARK 3 8 1.2783 - 1.2227 1.00 6807 139 0.1344 0.1746 REMARK 3 9 1.2227 - 1.1756 1.00 6802 139 0.1458 0.1767 REMARK 3 10 1.1756 - 1.1350 1.00 6780 138 0.1641 0.2225 REMARK 3 11 1.1350 - 1.0995 1.00 6758 138 0.2019 0.2419 REMARK 3 12 1.0995 - 1.0681 0.99 6743 138 0.2448 0.2737 REMARK 3 13 1.0681 - 1.0400 0.99 6730 137 0.2894 0.3194 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.100 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.060 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 8.77 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 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 : 0.019 2200 REMARK 3 ANGLE : 1.618 3028 REMARK 3 CHIRALITY : 0.384 307 REMARK 3 PLANARITY : 0.011 414 REMARK 3 DIHEDRAL : 16.639 854 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 5AE0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-AUG-15. REMARK 100 THE DEPOSITION ID IS D_1290064802. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JAN-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I911-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.913 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 90347 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.040 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.04 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 1.26000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2WUT REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG3350, 50 MM ACETATE, PD 3.5, PH REMARK 280 3.5, VAPOR DIFFUSION, SITTING DROP 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 23.78000 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLY A 158 REMARK 465 GLY A 159 REMARK 465 LEU A 160 REMARK 465 GLU A 161 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 DE21 GLN A 319 O HOH A 2230 1.41 REMARK 500 DH TYR A 168 O HOH A 2004 1.53 REMARK 500 O ALA A 298 DE21 GLN A 332 1.56 REMARK 500 O HOH A 2207 O HOH A 2210 1.96 REMARK 500 O HOH A 2161 O HOH A 2269 2.00 REMARK 500 O HOH A 2008 O HOH A 2062 2.01 REMARK 500 O HOH A 2180 O HOH A 2228 2.05 REMARK 500 OD1 ASP A 317 O HOH A 2225 2.08 REMARK 500 O HOH A 2090 O HOH A 2106 2.10 REMARK 500 O HOH A 2203 O HOH A 2220 2.10 REMARK 500 CL CL A 1380 O HOH A 2204 2.15 REMARK 500 O HOH A 2250 O HOH A 2251 2.17 REMARK 500 O HOH A 2231 O HOH A 2232 2.17 REMARK 500 O HOH A 2007 O HOH A 2008 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 DZ2 LYS A 370 O HOH A 2095 29512 1.35 REMARK 500 DG SER A 219 DH TYR A 377 29412 1.35 REMARK 500 O HOH A 2269 O HOH A 2278 29411 2.19 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 182 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG A 182 NE - CZ - NH2 ANGL. DEV. = -4.6 DEGREES REMARK 500 VAL A 270 CG1 - CB - CG2 ANGL. DEV. = 11.2 DEGREES REMARK 500 VAL A 270 CG1 - CB - CG2 ANGL. DEV. = 10.5 DEGREES REMARK 500 VAL A 270 CA - CB - CG1 ANGL. DEV. = 10.3 DEGREES REMARK 500 VAL A 270 CA - CB - CG2 ANGL. DEV. = 9.3 DEGREES REMARK 500 CYS A 314 CA - CB - SG ANGL. DEV. = 9.8 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 SER A 207 13.91 -144.48 REMARK 500 ASP A 209 33.26 -97.03 REMARK 500 PHE A 221 57.98 -94.90 REMARK 500 PHE A 221 50.95 -90.19 REMARK 500 THR A 233 -71.35 -92.04 REMARK 500 ASP A 294 79.06 -112.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2095 DISTANCE = 6.18 ANGSTROMS REMARK 525 HOH A2097 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A2289 DISTANCE = 7.67 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 1379 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 1380 DBREF 5AE0 A 159 378 UNP P16330 CN37_MOUSE 179 398 SEQADV 5AE0 GLY A 158 UNP P16330 EXPRESSION TAG SEQRES 1 A 221 GLY GLY LEU GLU LYS ASP PHE LEU PRO LEU TYR PHE GLY SEQRES 2 A 221 TRP PHE LEU THR LYS LYS SER SER GLU THR LEU ARG LYS SEQRES 3 A 221 ALA GLY GLN VAL PHE LEU GLU GLU LEU GLY ASN HIS LYS SEQRES 4 A 221 ALA PHE LYS LYS GLU LEU ARG HIS PHE ILE SER GLY ASP SEQRES 5 A 221 GLU PRO LYS GLU LYS LEU GLU LEU VAL SER TYR PHE GLY SEQRES 6 A 221 LYS ARG PRO PRO GLY VAL LEU HIS CYS THR THR LYS PHE SEQRES 7 A 221 CYS ASP TYR GLY LYS ALA ALA GLY ALA GLU GLU TYR ALA SEQRES 8 A 221 GLN GLN GLU VAL VAL LYS ARG SER TYR GLY LYS ALA PHE SEQRES 9 A 221 LYS LEU SER ILE SER ALA LEU PHE VAL THR PRO LYS THR SEQRES 10 A 221 ALA GLY ALA GLN VAL VAL LEU THR ASP GLN GLU LEU GLN SEQRES 11 A 221 LEU TRP PRO SER ASP LEU ASP LYS PRO SER ALA SER GLU SEQRES 12 A 221 GLY LEU PRO PRO GLY SER ARG ALA HIS VAL THR LEU GLY SEQRES 13 A 221 CYS ALA ALA ASP VAL GLN PRO VAL GLN THR GLY LEU ASP SEQRES 14 A 221 LEU LEU ASP ILE LEU GLN GLN VAL LYS GLY GLY SER GLN SEQRES 15 A 221 GLY GLU ALA VAL GLY GLU LEU PRO ARG GLY LYS LEU TYR SEQRES 16 A 221 SER LEU GLY LYS GLY ARG TRP MET LEU SER LEU THR LYS SEQRES 17 A 221 LYS MET GLU VAL LYS ALA ILE PHE THR GLY TYR TYR GLY HET CIT A1379 18 HET CL A1380 1 HETNAM CIT CITRIC ACID HETNAM CL CHLORIDE ION FORMUL 2 CIT C6 H8 O7 FORMUL 3 CL CL 1- FORMUL 4 HOH *282(H2 O) HELIX 1 1 THR A 174 HIS A 195 1 22 HELIX 2 2 HIS A 195 GLU A 201 1 7 HELIX 3 3 LEU A 202 PHE A 205 5 4 HELIX 4 4 GLU A 216 PHE A 221 1 6 HELIX 5 5 ASP A 237 LYS A 240 5 4 HELIX 6 6 GLY A 243 GLN A 250 1 8 HELIX 7 7 GLN A 250 TYR A 257 1 8 HELIX 8 8 THR A 282 GLN A 287 1 6 HELIX 9 9 PRO A 296 GLU A 300 5 5 HELIX 10 10 VAL A 321 LYS A 335 1 15 SHEET 1 AA 5 HIS A 230 PHE A 235 0 SHEET 2 AA 5 TYR A 168 LEU A 173 -1 O PHE A 169 N THR A 233 SHEET 3 AA 5 ARG A 358 TYR A 376 -1 O ILE A 372 N PHE A 172 SHEET 4 AA 5 GLY A 349 GLY A 355 -1 O LYS A 350 N SER A 362 SHEET 5 AA 5 GLY A 344 LEU A 346 1 O GLY A 344 N LEU A 351 SHEET 1 AB 6 HIS A 230 PHE A 235 0 SHEET 2 AB 6 TYR A 168 LEU A 173 -1 O PHE A 169 N THR A 233 SHEET 3 AB 6 ARG A 358 TYR A 376 -1 O ILE A 372 N PHE A 172 SHEET 4 AB 6 ALA A 260 VAL A 270 -1 O PHE A 261 N ALA A 371 SHEET 5 AB 6 THR A 274 VAL A 280 -1 O GLY A 276 N PHE A 269 SHEET 6 AB 6 HIS A 309 CYS A 314 -1 O VAL A 310 N ALA A 277 SITE 1 AC1 6 HIS A 195 LYS A 196 GLY A 344 GLU A 345 SITE 2 AC1 6 HOH A2041 HOH A2044 SITE 1 AC2 7 GLY A 305 SER A 306 ARG A 307 HOH A2130 SITE 2 AC2 7 HOH A2203 HOH A2204 HOH A2210 CRYST1 39.650 47.560 51.220 90.00 97.51 90.00 P 1 21 1 2 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 0.025221 0.000000 0.003325 0.00000 SCALE2 0.000000 0.021026 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019693 0.00000