HEADER RNA BINDING PROTEIN 23-NOV-11 3US5 TITLE CRYSTAL STRUCTURE OF A RNA-BINDING DOMAIN OF A POLY-U BINDING SPLICING TITLE 2 FACTOR 60KDA (PUF60) FROM HOMO SAPIENS AT 1.38 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: POLY(U)-BINDING-SPLICING FACTOR PUF60; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RRM 3 DOMAIN RESIDUES 443-559; COMPND 5 SYNONYM: 60 KDA POLY(U)-BINDING-SPLICING FACTOR, FUSE-BINDING COMPND 6 PROTEIN-INTERACTING REPRESSOR, FBP-INTERACTING REPRESSOR, RO-BINDING COMPND 7 PROTEIN 1, ROBP1, SIAH-BINDING PROTEIN 1, SIAH-BP1; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: BC011265, FIR, PUF60, ROBPI, SIAHBP1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: HK100; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: SPEEDET KEYWDS CANONICAL RBD, RRM, STRUCTURAL GENOMICS, JOINT CENTER FOR STRUCTURAL KEYWDS 2 GENOMICS, JCSG, PROTEIN STRUCTURE INITIATIVE, PSI-BIOLOGY, KEYWDS 3 PARTNERSHIP FOR T-CELL BIOLOGY, TCELL, RNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG),PARTNERSHIP FOR T-CELL AUTHOR 2 BIOLOGY (TCELL) REVDAT 3 08-NOV-17 3US5 1 REMARK REVDAT 2 29-AUG-12 3US5 1 AUTHOR REVDAT 1 11-JAN-12 3US5 0 JRNL AUTH JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG), JRNL AUTH 2 PARTNERSHIP FOR T-CELL BIOLOGY JRNL TITL CRYSTAL STRUCTURE OF A RNA-BINDING DOMAIN OF A POLY-U JRNL TITL 2 BINDING SPLICING FACTOR 60KDA (PUF60) FROM HOMO SAPIENS AT JRNL TITL 3 1.38 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.38 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0110 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD WITH PHASES REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.38 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.95 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 3 NUMBER OF REFLECTIONS : 24119 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) : 0.144 REMARK 3 R VALUE (WORKING SET) : 0.143 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1213 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) : 1.38 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.42 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1733 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.78 REMARK 3 BIN R VALUE (WORKING SET) : 0.2400 REMARK 3 BIN FREE R VALUE SET COUNT : 105 REMARK 3 BIN FREE R VALUE : 0.3060 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 923 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 171 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.37 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.11 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.06000 REMARK 3 B22 (A**2) : 0.44000 REMARK 3 B33 (A**2) : -0.51000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.060 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.057 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.034 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.870 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.965 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 956 ; 0.015 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 644 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1293 ; 1.499 ; 1.947 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1575 ; 0.932 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 125 ; 5.369 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 51 ;36.419 ;25.294 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 176 ;10.899 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ; 8.791 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 144 ; 0.106 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1096 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 190 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 595 ; 1.673 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 246 ; 0.620 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 958 ; 2.561 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 361 ; 3.915 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 331 ; 5.878 ; 4.500 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): 1600 ; 1.576 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 174 ;13.874 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1585 ; 6.948 ; 5.000 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 : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1. HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR REMARK 3 SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE REMARK 3 OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO REMARK 3 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET REMARK 3 INCORPORATION. REMARK 4 REMARK 4 3US5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000069141. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : KOHZU: DOUBLE CRYSTAL SI(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24223 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.380 REMARK 200 RESOLUTION RANGE LOW (A) : 36.950 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10200 REMARK 200 FOR THE DATA SET : 9.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.38 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.01100 REMARK 200 R SYM FOR SHELL (I) : 1.06400 REMARK 200 FOR SHELL : 0.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: REFLECTIONS IN RESOLUTION BINS 3.71-3.63, 2.28-2.22, AND REMARK 200 1.94-1.90 WERE EXCLUDED DURING DATA INTEGRATION BECAUSE OF ICE REMARK 200 RINGS. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.40M AMMONIUM SULFATE, 0.1M TRIS PH REMARK 280 8.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 21.71650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 28.14900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.48700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 28.14900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.71650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.48700 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 300 REMARK: CRYSTAL PACKING ANALYSIS SUPPORTS THE ASSIGNMENT OF A REMARK 300 MONOMER AS A SIGNIFICANT OLIGOMERIZATION STATE. 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 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 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 LYS A 458 CG CD CE NZ REMARK 470 LYS A 473 CG CD CE NZ REMARK 470 ASP A 477 CG OD1 OD2 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 600 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 422574 RELATED DB: TARGETDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THIS CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG REMARK 999 MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING REMARK 999 ONLY A GLYCINE (0) FOLLOWED BY RESIDUES 443-559 OF THE TARGET REMARK 999 SEQUENCE. THE SEQUENCE NUMBERING MATCHES ISOFORM 1 OF UNIPROT-KB REMARK 999 ENTRY Q9UHX1. DBREF 3US5 A 443 559 UNP Q9UHX1 PUF60_HUMAN 443 559 SEQADV 3US5 GLY A 0 UNP Q9UHX1 LEADER SEQUENCE SEQRES 1 A 118 GLY SER GLY SER SER ALA ARG HIS MSE VAL MSE GLN LYS SEQRES 2 A 118 LEU LEU ARG LYS GLN GLU SER THR VAL MSE VAL LEU ARG SEQRES 3 A 118 ASN MSE VAL ASP PRO LYS ASP ILE ASP ASP ASP LEU GLU SEQRES 4 A 118 GLY GLU VAL THR GLU GLU CYS GLY LYS PHE GLY ALA VAL SEQRES 5 A 118 ASN ARG VAL ILE ILE TYR GLN GLU LYS GLN GLY GLU GLU SEQRES 6 A 118 GLU ASP ALA GLU ILE ILE VAL LYS ILE PHE VAL GLU PHE SEQRES 7 A 118 SER ILE ALA SER GLU THR HIS LYS ALA ILE GLN ALA LEU SEQRES 8 A 118 ASN GLY ARG TRP PHE ALA GLY ARG LYS VAL VAL ALA GLU SEQRES 9 A 118 VAL TYR ASP GLN GLU ARG PHE ASP ASN SER ASP LEU SER SEQRES 10 A 118 ALA MODRES 3US5 MSE A 450 MET SELENOMETHIONINE MODRES 3US5 MSE A 452 MET SELENOMETHIONINE MODRES 3US5 MSE A 464 MET SELENOMETHIONINE MODRES 3US5 MSE A 469 MET SELENOMETHIONINE HET MSE A 450 8 HET MSE A 452 8 HET MSE A 464 8 HET MSE A 469 8 HET CL A 600 1 HETNAM MSE SELENOMETHIONINE HETNAM CL CHLORIDE ION FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 CL CL 1- FORMUL 3 HOH *171(H2 O) HELIX 1 1 GLY A 444 HIS A 449 1 6 HELIX 2 2 MSE A 452 LEU A 456 5 5 HELIX 3 3 ASP A 478 GLY A 488 1 11 HELIX 4 4 ILE A 521 ASN A 533 1 13 HELIX 5 5 ASP A 548 ASN A 554 1 7 SHEET 1 A 4 VAL A 493 LYS A 502 0 SHEET 2 A 4 ILE A 511 PHE A 519 -1 O LYS A 514 N TYR A 499 SHEET 3 A 4 VAL A 463 ARG A 467 -1 N LEU A 466 O ILE A 515 SHEET 4 A 4 VAL A 543 TYR A 547 -1 O VAL A 543 N ARG A 467 SHEET 1 B 2 TRP A 536 PHE A 537 0 SHEET 2 B 2 ARG A 540 LYS A 541 -1 O ARG A 540 N PHE A 537 LINK C HIS A 449 N MSE A 450 1555 1555 1.33 LINK C MSE A 450 N VAL A 451 1555 1555 1.33 LINK C VAL A 451 N MSE A 452 1555 1555 1.34 LINK C MSE A 452 N GLN A 453 1555 1555 1.34 LINK C VAL A 463 N MSE A 464 1555 1555 1.33 LINK C MSE A 464 N VAL A 465 1555 1555 1.31 LINK C ASN A 468 N MSE A 469 1555 1555 1.32 LINK C MSE A 469 N VAL A 470 1555 1555 1.33 SITE 1 AC1 3 HIS A 526 GLY A 539 HOH A 686 CRYST1 43.433 48.974 56.298 90.00 90.00 90.00 P 21 21 21 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 0.023024 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020419 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017763 0.00000 MASTER 267 0 5 5 6 0 1 6 0 0 0 10 END