HEADER STRUCTURAL GENOMICS, UNKNOWN FUNCTION 21-JUN-06 2HE4 TITLE THE CRYSTAL STRUCTURE OF THE SECOND PDZ DOMAIN OF HUMAN NHERF-2 TITLE 2 (SLC9A3R2) INTERACTING WITH A MODE 1 PDZ BINDING MOTIF COMPND MOL_ID: 1; COMPND 2 MOLECULE: NA(+)/H(+) EXCHANGE REGULATORY COFACTOR NHE-RF2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PDZ 2 DOMAIN (RESIDUES 147-230); COMPND 5 SYNONYM: NHERF-2, TYROSINE KINASE ACTIVATOR PROTEIN 1, TKA-1, SRY- COMPND 6 INTERACTING PROTEIN 1, SIP- 1, SOLUTE CARRIER FAMILY 9 ISOFORM A3 COMPND 7 REGULATORY FACTOR 2, NHE3 KINASE A REGULATORY PROTEIN E3KARP, SODIUM- COMPND 8 HYDROGEN EXCHANGER REGULATORY FACTOR 2; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SLC9A3R2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)-R3 ROSETTA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4 KEYWDS PHOSPHORYLATION, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, KEYWDS 2 SGC, UNKNOWN FUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR E.PAPAGRIGORIOU,J.M.ELKINS,G.BERRIDGE,O.GILEADY,S.COLEBROOK, AUTHOR 2 C.GILEADI,E.SALAH,P.SAVITSKY,N.PANTIC,F.GORREC,G.BUNKOCZI,J.WEIGELT, AUTHOR 3 C.ARROWSMITH,M.SUNDSTROM,A.EDWARDS,D.A.DOYLE,STRUCTURAL GENOMICS AUTHOR 4 CONSORTIUM (SGC) REVDAT 5 30-AUG-23 2HE4 1 REMARK REVDAT 4 20-OCT-21 2HE4 1 REMARK SEQADV REVDAT 3 24-FEB-09 2HE4 1 VERSN REVDAT 2 30-SEP-08 2HE4 1 JRNL REVDAT 1 18-JUL-06 2HE4 0 JRNL AUTH J.M.ELKINS,E.PAPAGRIGORIOU,G.BERRIDGE,X.YANG,C.PHILLIPS, JRNL AUTH 2 C.GILEADI,P.SAVITSKY,D.A.DOYLE JRNL TITL STRUCTURE OF PICK1 AND OTHER PDZ DOMAINS OBTAINED WITH THE JRNL TITL 2 HELP OF SELF-BINDING C-TERMINAL EXTENSIONS. JRNL REF PROTEIN SCI. V. 16 683 2007 JRNL REFN ISSN 0961-8368 JRNL PMID 17384233 JRNL DOI 10.1110/PS.062657507 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 12418 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) : 0.132 REMARK 3 R VALUE (WORKING SET) : 0.130 REMARK 3 FREE R VALUE : 0.180 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 641 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 919 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.17 REMARK 3 BIN R VALUE (WORKING SET) : 0.1010 REMARK 3 BIN FREE R VALUE SET COUNT : 49 REMARK 3 BIN FREE R VALUE : 0.2160 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 685 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 113 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.02 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.05000 REMARK 3 B22 (A**2) : -1.13000 REMARK 3 B33 (A**2) : -0.57000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.34000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.080 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.069 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.038 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.089 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.956 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 733 ; 0.015 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 553 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 987 ; 1.594 ; 1.988 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1330 ; 0.957 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 89 ; 6.535 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 36 ;35.109 ;21.111 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 134 ;10.620 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 13 ;13.576 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 110 ; 0.094 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 807 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 154 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 107 ; 0.217 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 570 ; 0.197 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 346 ; 0.160 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 456 ; 0.082 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 62 ; 0.188 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 22 ; 0.248 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 66 ; 0.290 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 23 ; 0.231 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 470 ; 3.816 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 182 ; 2.470 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 732 ; 4.686 ; 5.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 290 ; 6.273 ; 8.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 255 ; 8.624 ;11.000 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1368 ; 2.851 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 117 ;10.418 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1276 ; 5.954 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2HE4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JUN-06. REMARK 100 THE DEPOSITION ID IS D_1000038247. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAY-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X10SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97646 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13060 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 39.970 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 0.980 REMARK 200 R MERGE (I) : 0.03850 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 0.98 REMARK 200 R MERGE FOR SHELL (I) : 0.14030 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.450 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: 1I92 AND 1G9O REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.82 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 24.90150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.83850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 24.90150 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 18.83850 REMARK 290 SMTRY3 4 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 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 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 A 100 LIES ON A SPECIAL POSITION. 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 MET A 146 CG SD CE REMARK 470 ARG A 171 CD NE CZ NH1 NH2 REMARK 470 ARG A 191 NE CZ NH1 NH2 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 A 33 O HOH A 134 2.14 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 GLN A 193 -1.38 80.81 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 EDO A 235 DBREF 2HE4 A 147 230 UNP Q15599 NHRF2_HUMAN 147 232 SEQADV 2HE4 SER A 145 UNP Q15599 CLONING ARTIFACT SEQADV 2HE4 MET A 146 UNP Q15599 CLONING ARTIFACT SEQADV 2HE4 GLY A 229 UNP Q15599 ASP 229 ENGINEERED MUTATION SEQADV 2HE4 SER A 231 UNP Q15599 CLONING ARTIFACT SEQADV 2HE4 THR A 232 UNP Q15599 CLONING ARTIFACT SEQADV 2HE4 ARG A 233 UNP Q15599 CLONING ARTIFACT SEQADV 2HE4 LEU A 234 UNP Q15599 CLONING ARTIFACT SEQRES 1 A 90 SER MET LEU ARG PRO ARG LEU CYS HIS LEU ARG LYS GLY SEQRES 2 A 90 PRO GLN GLY TYR GLY PHE ASN LEU HIS SER ASP LYS SER SEQRES 3 A 90 ARG PRO GLY GLN TYR ILE ARG SER VAL ASP PRO GLY SER SEQRES 4 A 90 PRO ALA ALA ARG SER GLY LEU ARG ALA GLN ASP ARG LEU SEQRES 5 A 90 ILE GLU VAL ASN GLY GLN ASN VAL GLU GLY LEU ARG HIS SEQRES 6 A 90 ALA GLU VAL VAL ALA SER ILE LYS ALA ARG GLU ASP GLU SEQRES 7 A 90 ALA ARG LEU LEU VAL VAL GLY PRO SER THR ARG LEU HET EDO A 235 4 HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 2 EDO C2 H6 O2 FORMUL 3 HOH *113(H2 O) HELIX 1 1 SER A 183 GLY A 189 1 7 HELIX 2 2 ARG A 208 LYS A 217 1 10 SHEET 1 A 4 ARG A 150 ARG A 155 0 SHEET 2 A 4 GLU A 222 VAL A 228 -1 O LEU A 225 N CYS A 152 SHEET 3 A 4 ARG A 195 VAL A 199 -1 N ILE A 197 O LEU A 226 SHEET 4 A 4 GLN A 202 ASN A 203 -1 O GLN A 202 N VAL A 199 SHEET 1 B 2 PHE A 163 SER A 167 0 SHEET 2 B 2 GLN A 174 VAL A 179 -1 O TYR A 175 N HIS A 166 SITE 1 AC1 6 HOH A 27 SER A 167 GLN A 174 GLN A 193 SITE 2 AC1 6 ARG A 208 HIS A 209 CRYST1 49.803 37.677 40.340 90.00 97.70 90.00 C 1 2 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 0.020079 0.000000 0.002716 0.00000 SCALE2 0.000000 0.026541 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025015 0.00000