HEADER RNA BINDING PROTEIN 26-MAR-01 1IB2 TITLE CRYSTAL STRUCTURE OF A PUMILIO-HOMOLOGY DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUMILIO 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PUMILIO-HOMOLOGY DOMAIN (RESIDUES 828-1176); COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTYB3 KEYWDS PUMILIO-HOMOLOGY DOMAIN,PUF MOTIF, RNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR X.WANG,P.D.ZAMORE,T.M.T.HALL REVDAT 3 24-FEB-09 1IB2 1 VERSN REVDAT 2 01-APR-03 1IB2 1 JRNL REVDAT 1 09-MAY-01 1IB2 0 JRNL AUTH X.WANG,P.D.ZAMORE,T.M.HALL JRNL TITL CRYSTAL STRUCTURE OF A PUMILIO HOMOLOGY DOMAIN. JRNL REF MOL.CELL V. 7 855 2001 JRNL REFN ISSN 1097-2765 JRNL PMID 11336708 JRNL DOI 10.1016/S1097-2765(01)00229-5 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 71.44 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 33734 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) : 0.198 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2008 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 : 2606 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 392 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.30 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 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) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.29 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.92 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) : 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 1IB2 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-MAR-01. REMARK 100 THE RCSB ID CODE IS RCSB013115. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 5.6 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 : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 189138 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 71.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06400 REMARK 200 FOR THE DATA SET : 21.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.42300 REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, LITHIUM SULPHATE, SODIUM REMARK 280 CITRATE, PH 5.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-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 0.00000 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 0.00000 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 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 71.44000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 41.24590 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 37.10333 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 71.44000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 41.24590 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 37.10333 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 71.44000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 41.24590 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 37.10333 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 71.44000 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 41.24590 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 37.10333 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 71.44000 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 41.24590 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 37.10333 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 71.44000 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 41.24590 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 37.10333 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 82.49181 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 74.20667 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 82.49181 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 74.20667 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 82.49181 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 74.20667 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 82.49181 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 74.20667 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 82.49181 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 74.20667 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 82.49181 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 74.20667 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 102 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 180 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 241 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 354 LIES ON A SPECIAL POSITION. 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 THR A 1150 REMARK 465 LEU A 1151 REMARK 465 ARG A 1152 REMARK 465 LYS A 1153 REMARK 465 TYR A 1154 REMARK 465 THR A 1155 REMARK 465 TYR A 1156 REMARK 465 GLY A 1157 REMARK 465 LYS A 1158 REMARK 465 HIS A 1159 REMARK 465 ILE A 1160 REMARK 465 LEU A 1161 REMARK 465 ALA A 1162 REMARK 465 LYS A 1163 REMARK 465 LEU A 1164 REMARK 465 GLU A 1165 REMARK 465 LYS A 1166 REMARK 465 TYR A 1167 REMARK 465 TYR A 1168 REMARK 465 MET A 1169 REMARK 465 LYS A 1170 REMARK 465 ASN A 1171 REMARK 465 GLY A 1172 REMARK 465 VAL A 1173 REMARK 465 ASP A 1174 REMARK 465 LEU A 1175 REMARK 465 GLY A 1176 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 PRO A1134 -46.00 -26.70 REMARK 500 PRO A1146 85.17 -47.55 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 A 385 DISTANCE = 6.55 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IB3 RELATED DB: PDB REMARK 900 1IB3 CONTAINS THE SAME PROTEIN DBREF 1IB2 A 828 1176 UNP Q14671 PUM1_HUMAN 828 1176 SEQRES 1 A 349 GLY ARG SER ARG LEU LEU GLU ASP PHE ARG ASN ASN ARG SEQRES 2 A 349 TYR PRO ASN LEU GLN LEU ARG GLU ILE ALA GLY HIS ILE SEQRES 3 A 349 MET GLU PHE SER GLN ASP GLN HIS GLY SER ARG PHE ILE SEQRES 4 A 349 GLN LEU LYS LEU GLU ARG ALA THR PRO ALA GLU ARG GLN SEQRES 5 A 349 LEU VAL PHE ASN GLU ILE LEU GLN ALA ALA TYR GLN LEU SEQRES 6 A 349 MET VAL ASP VAL PHE GLY ASN TYR VAL ILE GLN LYS PHE SEQRES 7 A 349 PHE GLU PHE GLY SER LEU GLU GLN LYS LEU ALA LEU ALA SEQRES 8 A 349 GLU ARG ILE ARG GLY HIS VAL LEU SER LEU ALA LEU GLN SEQRES 9 A 349 MET TYR GLY CYS ARG VAL ILE GLN LYS ALA LEU GLU PHE SEQRES 10 A 349 ILE PRO SER ASP GLN GLN ASN GLU MET VAL ARG GLU LEU SEQRES 11 A 349 ASP GLY HIS VAL LEU LYS CYS VAL LYS ASP GLN ASN GLY SEQRES 12 A 349 ASN HIS VAL VAL GLN LYS CYS ILE GLU CYS VAL GLN PRO SEQRES 13 A 349 GLN SER LEU GLN PHE ILE ILE ASP ALA PHE LYS GLY GLN SEQRES 14 A 349 VAL PHE ALA LEU SER THR HIS PRO TYR GLY CYS ARG VAL SEQRES 15 A 349 ILE GLN ARG ILE LEU GLU HIS CYS LEU PRO ASP GLN THR SEQRES 16 A 349 LEU PRO ILE LEU GLU GLU LEU HIS GLN HIS THR GLU GLN SEQRES 17 A 349 LEU VAL GLN ASP GLN TYR GLY ASN TYR VAL ILE GLN HIS SEQRES 18 A 349 VAL LEU GLU HIS GLY ARG PRO GLU ASP LYS SER LYS ILE SEQRES 19 A 349 VAL ALA GLU ILE ARG GLY ASN VAL LEU VAL LEU SER GLN SEQRES 20 A 349 HIS LYS PHE ALA SER ASN VAL VAL GLU LYS CYS VAL THR SEQRES 21 A 349 HIS ALA SER ARG THR GLU ARG ALA VAL LEU ILE ASP GLU SEQRES 22 A 349 VAL CYS THR MET ASN ASP GLY PRO HIS SER ALA LEU TYR SEQRES 23 A 349 THR MET MET LYS ASP GLN TYR ALA ASN TYR VAL VAL GLN SEQRES 24 A 349 LYS MET ILE ASP VAL ALA GLU PRO GLY GLN ARG LYS ILE SEQRES 25 A 349 VAL MET HIS LYS ILE ARG PRO HIS ILE ALA THR LEU ARG SEQRES 26 A 349 LYS TYR THR TYR GLY LYS HIS ILE LEU ALA LYS LEU GLU SEQRES 27 A 349 LYS TYR TYR MET LYS ASN GLY VAL ASP LEU GLY HET BME A 400 4 HETNAM BME BETA-MERCAPTOETHANOL FORMUL 2 BME C2 H6 O S FORMUL 3 HOH *392(H2 O) HELIX 1 1 SER A 830 ASN A 838 1 9 HELIX 2 2 GLN A 845 ALA A 850 5 6 HELIX 3 3 HIS A 852 GLN A 858 1 7 HELIX 4 4 ASP A 859 ALA A 873 1 15 HELIX 5 5 THR A 874 LEU A 886 1 13 HELIX 6 6 ALA A 888 VAL A 894 1 7 HELIX 7 7 PHE A 897 GLY A 909 1 13 HELIX 8 8 SER A 910 ARG A 922 1 13 HELIX 9 9 HIS A 924 LEU A 930 1 7 HELIX 10 10 TYR A 933 ILE A 945 1 13 HELIX 11 11 PRO A 946 ARG A 955 1 10 HELIX 12 12 GLU A 956 ASP A 958 5 3 HELIX 13 13 HIS A 960 ASP A 967 1 8 HELIX 14 14 ASN A 969 VAL A 981 1 13 HELIX 15 15 GLN A 982 SER A 985 5 4 HELIX 16 16 LEU A 986 PHE A 993 1 8 HELIX 17 17 GLN A 996 THR A 1002 1 7 HELIX 18 18 TYR A 1005 CYS A 1017 1 13 HELIX 19 19 LEU A 1018 HIS A 1032 1 15 HELIX 20 20 HIS A 1032 VAL A 1037 1 6 HELIX 21 21 TYR A 1041 GLY A 1053 1 13 HELIX 22 22 ARG A 1054 ARG A 1066 1 13 HELIX 23 23 ASN A 1068 GLN A 1074 1 7 HELIX 24 24 PHE A 1077 ALA A 1089 1 13 HELIX 25 25 SER A 1090 MET A 1104 1 15 HELIX 26 26 ALA A 1111 LYS A 1117 1 7 HELIX 27 27 TYR A 1120 ALA A 1132 1 13 HELIX 28 28 GLU A 1133 LYS A 1143 1 11 SHEET 1 A 2 ASN A1105 ASP A1106 0 SHEET 2 A 2 HIS A1109 SER A1110 -1 O HIS A1109 N ASP A1106 LINK SG CYS A 980 S2 BME A 400 1555 1555 2.05 SITE 1 AC1 4 TYR A 900 GLU A 943 GLU A 979 CYS A 980 CRYST1 142.880 142.880 111.310 90.00 90.00 120.00 H 3 2 18 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 0.006999 0.004041 0.000000 0.00000 SCALE2 0.000000 0.008082 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008984 0.00000