HEADER STRUCTURAL PROTEIN 30-JUL-03 1Q3L TITLE CHROMODOMAIN OF HP1 COMPLEXED WITH HISTONE H3 TAIL TITLE 2 CONTAINING MONOMETHYLLYSINE 9. COMPND MOL_ID: 1; COMPND 2 MOLECULE: HETEROCHROMATIN PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SEQUENCE DATABASE RESIDUES 17-76; COMPND 5 SYNONYM: HP1, NONHISTONE CHROMOSOMAL PROTEIN C1A9 ANTIGEN; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: HISTONE H3; COMPND 9 CHAIN: P; COMPND 10 FRAGMENT: TAIL RESIDUES 1-16; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 3 ORGANISM_COMMON: FRUIT FLY; SOURCE 4 ORGANISM_TAXID: 7227; SOURCE 5 GENE: SU(VAR)205 OR HP1 OR CG8409; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET11A; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: THE PEPTIDE IS CHEMICALLY SYNTHESIZED. THE SOURCE 14 SEQUENCE IS NATURALLY FOUND IN HOMO SAPIENS (HUMAN). KEYWDS CHROMODOMAIN, HP1, CHROMATIN, METHYLLYSINE, KEYWDS 2 MONOMETHYLLYSINE, HISTONE, H3, STRUCTURAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.A.JACOBS,S.KHORASANIZADEH REVDAT 2 24-FEB-09 1Q3L 1 VERSN REVDAT 1 12-OCT-04 1Q3L 0 JRNL AUTH S.A.JACOBS,S.KHORASANIZADEH JRNL TITL CHROMODOMAIN OF HP1 COMPLEXED WITH HISTONE H3 TAIL JRNL TITL 2 CONTAINING MONOMETHYLLYSINE 9 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.64 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.19 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.64 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.35 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.6 REMARK 3 NUMBER OF REFLECTIONS : 10752 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) : 0.223 REMARK 3 R VALUE (WORKING SET) : 0.222 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 537 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) : 1.64 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.68 REMARK 3 REFLECTION IN BIN (WORKING SET) : 874 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 0.99 REMARK 3 BIN R VALUE (WORKING SET) : 0.1300 REMARK 3 BIN FREE R VALUE SET COUNT : 40 REMARK 3 BIN FREE R VALUE : 0.2250 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 498 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 95 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.51 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.46000 REMARK 3 B22 (A**2) : -1.05000 REMARK 3 B33 (A**2) : -0.40000 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): 0.102 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.098 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.045 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.174 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.935 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.924 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 509 ; 0.017 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 442 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 683 ; 1.898 ; 1.958 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1033 ; 1.241 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 56 ; 6.727 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 68 ; 0.431 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 567 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 108 ; 0.005 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 104 ; 0.226 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 540 ; 0.260 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 323 ; 0.113 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 48 ; 0.175 ; 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): 9 ; 0.219 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 24 ; 0.264 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 11 ; 0.268 ; 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): 290 ; 1.206 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 466 ; 2.124 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 219 ; 3.019 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 217 ; 4.871 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 1Q3L COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-AUG-03. REMARK 100 THE RCSB ID CODE IS RCSB019872. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92080 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10752 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.640 REMARK 200 RESOLUTION RANGE LOW (A) : 38.350 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 0.9 REMARK 200 DATA REDUNDANCY : 7.370 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 52.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.64 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 1.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.14300 REMARK 200 FOR SHELL : 20.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1KNA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, MES, PH 6.1, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 283K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 37.81250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.81250 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 16.90450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.41400 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 16.90450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.41400 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.81250 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 16.90450 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 38.41400 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 37.81250 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 16.90450 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 38.41400 REMARK 290 SMTRY3 8 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1020 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4120 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P 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 82 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 MET A 8 REMARK 465 LYS A 9 REMARK 465 LYS A 10 REMARK 465 HIS A 11 REMARK 465 HIS A 12 REMARK 465 HIS A 13 REMARK 465 HIS A 14 REMARK 465 HIS A 15 REMARK 465 HIS A 16 REMARK 465 ALA A 17 REMARK 465 GLU A 18 REMARK 465 GLU A 19 REMARK 465 GLU A 20 REMARK 465 GLU A 21 REMARK 465 GLU A 22 REMARK 465 LYS A 75 REMARK 465 ASP A 76 REMARK 465 ALA P 1 REMARK 465 ARG P 2 REMARK 465 THR P 3 REMARK 465 LYS P 4 REMARK 465 THR P 11 REMARK 465 GLY P 12 REMARK 465 GLY P 13 REMARK 465 LYS P 14 REMARK 465 ALA P 15 REMARK 465 TYR P 16 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 106 O HOH A 159 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KNA RELATED DB: PDB REMARK 900 RELATED ID: 1KNE RELATED DB: PDB REMARK 900 RELATED ID: 1PDQ RELATED DB: PDB DBREF 1Q3L A 17 76 UNP P05205 HP1_DROME 17 76 DBREF 1Q3L P 1 16 UNP P16106 H31_HUMAN 1 16 SEQADV 1Q3L MET A 8 UNP P05205 EXPRESSION TAG SEQADV 1Q3L LYS A 9 UNP P05205 EXPRESSION TAG SEQADV 1Q3L LYS A 10 UNP P05205 EXPRESSION TAG SEQADV 1Q3L HIS A 11 UNP P05205 EXPRESSION TAG SEQADV 1Q3L HIS A 12 UNP P05205 EXPRESSION TAG SEQADV 1Q3L HIS A 13 UNP P05205 EXPRESSION TAG SEQADV 1Q3L HIS A 14 UNP P05205 EXPRESSION TAG SEQADV 1Q3L HIS A 15 UNP P05205 EXPRESSION TAG SEQADV 1Q3L HIS A 16 UNP P05205 EXPRESSION TAG SEQADV 1Q3L MET A 38 UNP P05205 LYS 38 CONFLICT SEQADV 1Q3L MLZ P 9 UNP P16106 LYS 9 MODIFIED RESIDUE SEQADV 1Q3L TYR P 16 UNP P16106 PRO 16 CONFLICT SEQRES 1 A 69 MET LYS LYS HIS HIS HIS HIS HIS HIS ALA GLU GLU GLU SEQRES 2 A 69 GLU GLU GLU TYR ALA VAL GLU LYS ILE ILE ASP ARG ARG SEQRES 3 A 69 VAL ARG LYS GLY MET VAL GLU TYR TYR LEU LYS TRP LYS SEQRES 4 A 69 GLY TYR PRO GLU THR GLU ASN THR TRP GLU PRO GLU ASN SEQRES 5 A 69 ASN LEU ASP CYS GLN ASP LEU ILE GLN GLN TYR GLU ALA SEQRES 6 A 69 SER ARG LYS ASP SEQRES 1 P 16 ALA ARG THR LYS GLN THR ALA ARG MLZ SER THR GLY GLY SEQRES 2 P 16 LYS ALA TYR MODRES 1Q3L MLZ P 9 LYS N-METHYL-LYSINE HET MLZ P 9 10 HETNAM MLZ N-METHYL-LYSINE FORMUL 2 MLZ C7 H16 N2 O2 FORMUL 3 HOH *95(H2 O) HELIX 1 1 PRO A 49 ASN A 53 5 5 HELIX 2 2 CYS A 63 ARG A 74 1 12 SHEET 1 A 5 THR A 54 PRO A 57 0 SHEET 2 A 5 MET A 38 TRP A 45 -1 N LEU A 43 O THR A 54 SHEET 3 A 5 TYR A 24 ARG A 35 -1 N ARG A 33 O GLU A 40 SHEET 4 A 5 THR P 6 ALA P 7 -1 O ALA P 7 N TYR A 24 SHEET 5 A 5 LEU A 61 ASP A 62 -1 N ASP A 62 O THR P 6 LINK C ARG P 8 N MLZ P 9 1555 1555 1.32 LINK C MLZ P 9 N SER P 10 1555 1555 1.34 CRYST1 33.809 76.828 75.625 90.00 90.00 90.00 C 2 2 21 8 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 0.029578 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013016 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013223 0.00000