HEADER RNA BINDING PROTEIN 22-DEC-07 3BS9 TITLE X-RAY STRUCTURE OF HUMAN TIA-1 RRM2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NUCLEOLYSIN TIA-1 ISOFORM P40; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RNA RECOGNITION MOTIF 2, UNP RESIDUES 105-186; COMPND 5 SYNONYM: RNA-BINDING PROTEIN TIA-1, P40-TIA-1; COMPND 6 ENGINEERED: YES; COMPND 7 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: TIA1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 ROSETTA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PGEX-6P KEYWDS RNA RECOGNITION MOTIF, RRM, RNA BINDING DOMAIN, RBD, RNA SPLICING, KEYWDS 2 APOPTOSIS, PHOSPHOPROTEIN, RNA-BINDING, RNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.O.KUMAR,C.L.KIELKOPF REVDAT 5 30-AUG-23 3BS9 1 REMARK REVDAT 4 20-OCT-21 3BS9 1 REMARK SEQADV REVDAT 3 24-FEB-09 3BS9 1 VERSN REVDAT 2 20-MAY-08 3BS9 1 JRNL REVDAT 1 15-JAN-08 3BS9 0 JRNL AUTH A.O.KUMAR,M.C.SWENSON,M.M.BENNING,C.L.KIELKOPF JRNL TITL STRUCTURE OF THE CENTRAL RNA RECOGNITION MOTIF OF HUMAN JRNL TITL 2 TIA-1 AT 1.95A RESOLUTION. JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 367 813 2008 JRNL REFN ISSN 0006-291X JRNL PMID 18201561 JRNL DOI 10.1016/J.BBRC.2008.01.027 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 10137 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 9648 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1219 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 118 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.29900 REMARK 3 B22 (A**2) : 0.29900 REMARK 3 B33 (A**2) : -0.59900 REMARK 3 B12 (A**2) : 0.00000 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3BS9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-DEC-07. REMARK 100 THE DEPOSITION ID IS D_1000045904. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-AUG-06 REMARK 200 TEMPERATURE (KELVIN) : 200 REMARK 200 PH : 8.0 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 : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MULTILAYER GRADED X-RAY OPTICS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER PROTEUM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROTEUM PLUS PLUS REMARK 200 DATA SCALING SOFTWARE : PROTEUM PLUS PLUS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10137 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 24.460 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: N-TERMINAL RRM OF POLY-A BINDING PROTEIN, PDB REMARK 200 ENTRY 1CVJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.19 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.87 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1:1 MIXTURE OF PROTEIN WITH 15% REMARK 280 POLYETHYLENE GLYCOL 3350, 0.5 M KI, 0.1 M TRIS, PH 8.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 25.56667 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 51.13333 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 38.35000 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 63.91667 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 12.78333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 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 GLY A 89 REMARK 465 PRO A 90 REMARK 465 LEU A 91 REMARK 465 GLY A 92 REMARK 465 SER A 93 REMARK 465 ARG A 173 REMARK 465 LYS A 174 REMARK 465 PRO A 175 REMARK 465 GLY B 89 REMARK 465 PRO B 90 REMARK 465 LEU B 91 REMARK 465 GLY B 92 REMARK 465 SER B 93 REMARK 465 ARG B 173 REMARK 465 LYS B 174 REMARK 465 PRO B 175 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 HIS B 94 CG ND1 CD2 CE1 NE2 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 123 167.91 168.13 REMARK 500 SER B 122 -72.58 -82.38 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 IOD A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 5 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 7 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 4 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD B 6 REMARK 999 REMARK 999 SEQUENCE REMARK 999 ACCORDING TO THE AUTHORS THE GLN TO GLU MUTATION REMARK 999 REPRESENTS A PROBLEM IN THE DEPOSITED SEQUENCE. REMARK 999 THE PDB IS NUMBERED TO MATCH SEQUENCE OF THE REMARK 999 ALTERNATIVE ISOFORM P31483-2. HIS94 IN THE PDB REMARK 999 FILE CORRESPONDS TO HIS94 IN P31483-2 DBREF 3BS9 A 94 175 UNP P31483 TIA1_HUMAN 105 186 DBREF 3BS9 B 94 175 UNP P31483 TIA1_HUMAN 105 186 SEQADV 3BS9 GLY A 89 UNP P31483 EXPRESSION TAG SEQADV 3BS9 PRO A 90 UNP P31483 EXPRESSION TAG SEQADV 3BS9 LEU A 91 UNP P31483 EXPRESSION TAG SEQADV 3BS9 GLY A 92 UNP P31483 EXPRESSION TAG SEQADV 3BS9 SER A 93 UNP P31483 EXPRESSION TAG SEQADV 3BS9 GLU A 105 UNP P31483 GLN 116 SEE REMARK 999 SEQADV 3BS9 ALA A 109 UNP P31483 GLU 120 ENGINEERED MUTATION SEQADV 3BS9 ALA A 110 UNP P31483 ASP 121 ENGINEERED MUTATION SEQADV 3BS9 ALA A 112 UNP P31483 LYS 123 ENGINEERED MUTATION SEQADV 3BS9 GLY B 89 UNP P31483 EXPRESSION TAG SEQADV 3BS9 PRO B 90 UNP P31483 EXPRESSION TAG SEQADV 3BS9 LEU B 91 UNP P31483 EXPRESSION TAG SEQADV 3BS9 GLY B 92 UNP P31483 EXPRESSION TAG SEQADV 3BS9 SER B 93 UNP P31483 EXPRESSION TAG SEQADV 3BS9 GLU B 105 UNP P31483 GLN 116 SEE REMARK 999 SEQADV 3BS9 ALA B 109 UNP P31483 GLU 120 ENGINEERED MUTATION SEQADV 3BS9 ALA B 110 UNP P31483 ASP 121 ENGINEERED MUTATION SEQADV 3BS9 ALA B 112 UNP P31483 LYS 123 ENGINEERED MUTATION SEQRES 1 A 87 GLY PRO LEU GLY SER HIS PHE HIS VAL PHE VAL GLY ASP SEQRES 2 A 87 LEU SER PRO GLU ILE THR THR ALA ALA ILE ALA ALA ALA SEQRES 3 A 87 PHE ALA PRO PHE GLY ARG ILE SER ASP ALA ARG VAL VAL SEQRES 4 A 87 LYS ASP MET ALA THR GLY LYS SER LYS GLY TYR GLY PHE SEQRES 5 A 87 VAL SER PHE PHE ASN LYS TRP ASP ALA GLU ASN ALA ILE SEQRES 6 A 87 GLN GLN MET GLY GLY GLN TRP LEU GLY GLY ARG GLN ILE SEQRES 7 A 87 ARG THR ASN TRP ALA THR ARG LYS PRO SEQRES 1 B 87 GLY PRO LEU GLY SER HIS PHE HIS VAL PHE VAL GLY ASP SEQRES 2 B 87 LEU SER PRO GLU ILE THR THR ALA ALA ILE ALA ALA ALA SEQRES 3 B 87 PHE ALA PRO PHE GLY ARG ILE SER ASP ALA ARG VAL VAL SEQRES 4 B 87 LYS ASP MET ALA THR GLY LYS SER LYS GLY TYR GLY PHE SEQRES 5 B 87 VAL SER PHE PHE ASN LYS TRP ASP ALA GLU ASN ALA ILE SEQRES 6 B 87 GLN GLN MET GLY GLY GLN TRP LEU GLY GLY ARG GLN ILE SEQRES 7 B 87 ARG THR ASN TRP ALA THR ARG LYS PRO HET IOD A 3 1 HET IOD A 5 1 HET IOD A 7 1 HET IOD B 1 1 HET IOD B 2 1 HET IOD B 4 1 HET IOD B 6 1 HETNAM IOD IODIDE ION FORMUL 3 IOD 7(I 1-) FORMUL 10 HOH *118(H2 O) HELIX 1 1 THR A 107 ALA A 116 1 10 HELIX 2 2 PRO A 117 GLY A 119 5 3 HELIX 3 3 ASN A 145 GLY A 157 1 13 HELIX 4 4 THR B 107 ALA B 116 1 10 HELIX 5 5 PRO B 117 GLY B 119 5 3 HELIX 6 6 ASN B 145 GLY B 157 1 13 SHEET 1 A 4 ILE A 121 LYS A 128 0 SHEET 2 A 4 SER A 135 PHE A 143 -1 O LYS A 136 N VAL A 127 SHEET 3 A 4 PHE A 95 GLY A 100 -1 N PHE A 95 O PHE A 143 SHEET 4 A 4 ARG A 167 ALA A 171 -1 O ASN A 169 N PHE A 98 SHEET 1 B 2 TRP A 160 LEU A 161 0 SHEET 2 B 2 ARG A 164 GLN A 165 -1 O ARG A 164 N LEU A 161 SHEET 1 C 4 ILE B 121 LYS B 128 0 SHEET 2 C 4 SER B 135 PHE B 143 -1 O LYS B 136 N VAL B 127 SHEET 3 C 4 PHE B 95 GLY B 100 -1 N VAL B 97 O VAL B 141 SHEET 4 C 4 ARG B 167 ALA B 171 -1 O ARG B 167 N GLY B 100 SHEET 1 D 2 TRP B 160 LEU B 161 0 SHEET 2 D 2 ARG B 164 GLN B 165 -1 O ARG B 164 N LEU B 161 SITE 1 AC1 3 THR A 107 THR A 108 LYS A 128 SITE 1 AC2 2 ARG A 125 HOH A 212 SITE 1 AC3 3 ARG A 167 THR A 168 HOH A 178 SITE 1 AC4 1 THR B 108 SITE 1 AC5 3 HOH A 220 THR B 108 LYS B 128 SITE 1 AC6 1 GLY B 163 SITE 1 AC7 2 LYS B 136 MET B 156 CRYST1 56.500 56.500 76.700 90.00 90.00 120.00 P 61 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 0.017699 0.010219 0.000000 0.00000 SCALE2 0.000000 0.020437 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013038 0.00000