HEADER ISOMERASE 19-OCT-06 2ITI OBSLTE 26-JUN-07 2ITI 2Q5A TITLE HUMAN PIN1 BOUND TO L-PEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PEPTIDYL-PROLYL CIS-TRANS ISOMERASE NIMA- COMPND 3 INTERACTING 1; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: ROTAMASE PIN1, PPIASE PIN1; COMPND 6 EC: 5.2.1.8; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: FIVE RESIDUE PEPTIDE; COMPND 11 CHAIN: B; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 STRAIN: HELA; SOURCE 5 GENE: PIN1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_COMMON: BACTERIA; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES KEYWDS PIN1, ISOMERASE, WW DOMAIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZHANG,J.P.NOEL REVDAT 2 26-JUN-07 2ITI 1 OBSLTE REVDAT 1 22-MAY-07 2ITI 0 JRNL AUTH Y.ZHANG,S.DAUM,D.WILDEMANN,X.Z.ZHOU,M.A.VERDECIA, JRNL AUTH 2 M.E.BOWMAN,C.LUCKE,T.HUNTER,K.-P.LU,G.FISCHER, JRNL AUTH 3 J.P.NOEL JRNL TITL STRUCTURAL BASIS FOR HIGH-AFFINITY PEPTIDE JRNL TITL 2 INHIBITION OF HUMAN PIN1 JRNL REF ACS CHEM.BIOL. V. 2 320 2007 JRNL REFN US ISSN 1554-8929 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 32653 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) : 0.236 REMARK 3 R VALUE (WORKING SET) : 0.235 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1705 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2202 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.65 REMARK 3 BIN R VALUE (WORKING SET) : 0.3070 REMARK 3 BIN FREE R VALUE SET COUNT : 128 REMARK 3 BIN FREE R VALUE : 0.3070 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 ALL ATOMS : 1368 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.23 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.04000 REMARK 3 B22 (A**2) : 0.04000 REMARK 3 B33 (A**2) : -0.06000 REMARK 3 B12 (A**2) : 0.02000 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): 0.082 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.080 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.055 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.462 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.937 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.926 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1248 ; 0.011 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1668 ; 1.386 ; 1.997 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 143 ; 6.129 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 58 ;33.215 ;22.586 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 211 ;14.731 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 13 ;18.725 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 167 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 938 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 542 ; 0.199 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 835 ; 0.304 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 129 ; 0.148 ; 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): 42 ; 0.179 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 21 ; 0.133 ; 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): 752 ; 0.974 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1165 ; 1.500 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 570 ; 2.242 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 503 ; 3.377 ; 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 : 0 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 0 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : 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 2ITI COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006 REMARK 4 REMARK 4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY. REMARK 4 REMEDIATED DATA FILE REVISION 3.100 (2007-05-18) REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE RCSB ID CODE IS RCSB039995. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-MAR-2005 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.50 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) : 1 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34360 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 33.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.02600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 44.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.17000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1PIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, 1% PEG400, REMARK 280 100MM HEPES, PH 7.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 282K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,1/3+Z REMARK 290 3555 -X+Y,-X,2/3+Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,2/3-Z REMARK 290 6555 -X,-X+Y,1/3-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 -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 26.50433 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 53.00867 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 53.00867 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 26.50433 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 -3 REMARK 465 SER A -2 REMARK 465 HIS A -1 REMARK 465 GLY A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 ASP A 3 REMARK 465 GLU A 4 REMARK 465 GLU A 5 REMARK 465 LYS A 6 REMARK 465 GLY A 39 REMARK 465 ASN A 40 REMARK 465 SER A 41 REMARK 465 SER A 42 REMARK 465 SER A 43 REMARK 465 GLY A 44 REMARK 465 GLY A 45 REMARK 465 LYS A 46 REMARK 465 ASN A 47 REMARK 465 GLY A 48 REMARK 465 GLN A 49 REMARK 465 GLY A 50 REMARK 465 ACE B 500 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 PHE B 501 CB CG CD1 CD2 CE1 CE2 CZ REMARK 470 NAL B 504 O1 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 REMARK 500 O HOH 36 O HOH 125 2.05 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 149 CB PRO A 149 CG 0.094 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PIN RELATED DB: PDB REMARK 900 PIN1 PEPTIDYL-PROLYL CIS-TRANS ISOMERASE FROM HOMO SAPIENS REMARK 900 RELATED ID: 1F8A RELATED DB: NDB REMARK 900 STRUCTURAL BASIS FOR THE PHOSPHOSERINE-PROLINE RECOGNITION REMARK 900 BY GROUP IV WW DOMAINS DBREF 2ITI A 1 163 UNP Q13526 PIN1_HUMAN 1 163 SEQADV 2ITI GLY A -3 UNP Q13526 CLONING ARTIFACT SEQADV 2ITI SER A -2 UNP Q13526 CLONING ARTIFACT SEQADV 2ITI HIS A -1 UNP Q13526 CLONING ARTIFACT SEQADV 2ITI GLY A 0 UNP Q13526 CLONING ARTIFACT SEQADV 2ITI ALA A 14 UNP Q13526 ARG 14 ENGINEERED SEQRES 1 A 167 GLY SER HIS GLY MET ALA ASP GLU GLU LYS LEU PRO PRO SEQRES 2 A 167 GLY TRP GLU LYS ALA MET SER ARG SER SER GLY ARG VAL SEQRES 3 A 167 TYR TYR PHE ASN HIS ILE THR ASN ALA SER GLN TRP GLU SEQRES 4 A 167 ARG PRO SER GLY ASN SER SER SER GLY GLY LYS ASN GLY SEQRES 5 A 167 GLN GLY GLU PRO ALA ARG VAL ARG CYS SER HIS LEU LEU SEQRES 6 A 167 VAL LYS HIS SER GLN SER ARG ARG PRO SER SER TRP ARG SEQRES 7 A 167 GLN GLU LYS ILE THR ARG THR LYS GLU GLU ALA LEU GLU SEQRES 8 A 167 LEU ILE ASN GLY TYR ILE GLN LYS ILE LYS SER GLY GLU SEQRES 9 A 167 GLU ASP PHE GLU SER LEU ALA SER GLN PHE SER ASP CYS SEQRES 10 A 167 SER SER ALA LYS ALA ARG GLY ASP LEU GLY ALA PHE SER SEQRES 11 A 167 ARG GLY GLN MET GLN LYS PRO PHE GLU ASP ALA SER PHE SEQRES 12 A 167 ALA LEU ARG THR GLY GLU MET SER GLY PRO VAL PHE THR SEQRES 13 A 167 ASP SER GLY ILE HIS ILE ILE LEU ARG THR GLU SEQRES 1 B 7 ACE PHE TPO CPI NAL GLN NH2 MODRES 2ITI TPO B 502 THR PHOSPHOTHREONINE MODRES 2ITI NAL B 504 ALA NAPHTHALEN-2-YL-3-ALANINE HET TPO B 502 11 HET CPI B 503 8 HET NAL B 504 15 HET NH2 B 506 1 HETNAM TPO PHOSPHOTHREONINE HETNAM CPI 6-CARBOXYPIPERIDINE HETNAM NAL BETA-(2-NAPHTHYL)-ALANINE HETNAM NH2 AMINO GROUP HETSYN TPO PHOSPHONOTHREONINE FORMUL 2 TPO C4 H10 N O6 P FORMUL 2 CPI C6 H11 N O2 FORMUL 2 NAL C13 H13 N O2 FORMUL 2 NH2 H2 N FORMUL 3 HOH *165(H2 O) HELIX 1 1 THR A 81 SER A 98 1 18 HELIX 2 2 ASP A 102 SER A 111 1 10 HELIX 3 3 CYS A 113 ARG A 119 5 7 HELIX 4 4 GLN A 131 LEU A 141 1 11 SHEET 1 A 3 TRP A 11 MET A 15 0 SHEET 2 A 3 VAL A 22 ASN A 26 -1 O TYR A 23 N ALA A 14 SHEET 3 A 3 SER A 32 GLN A 33 -1 O GLN A 33 N TYR A 24 SHEET 1 B 4 ASP A 121 SER A 126 0 SHEET 2 B 4 ARG A 54 VAL A 62 -1 N CYS A 57 O LEU A 122 SHEET 3 B 4 GLY A 155 ARG A 161 -1 O LEU A 160 N SER A 58 SHEET 4 B 4 VAL A 150 THR A 152 -1 N VAL A 150 O HIS A 157 CRYST1 68.842 68.842 79.513 90.00 90.00 120.00 P 31 2 1 6 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 0.014526 0.008387 0.000000 0.00000 SCALE2 0.000000 0.016773 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012577 0.00000