PDB Short entry for 1PDN HEADER GENE REGULATION/DNA 16-MAY-95 1PDN TITLE CRYSTAL STRUCTURE OF A PAIRED DOMAIN-DNA COMPLEX AT 2.5 ANGSTROMS TITLE 2 RESOLUTION REVEALS STRUCTURAL BASIS FOR PAX DEVELOPMENTAL MUTATIONS COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*AP*AP*CP*GP*TP*CP*AP*CP*GP*GP*TP*TP*GP*AP*C)- COMPND 3 3'); COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'-D(*TP*TP*GP*TP*CP*AP*AP*CP*CP*GP*TP*GP*AP*CP*G)- COMPND 8 3'); COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: PROTEIN (PRD PAIRED); COMPND 13 CHAIN: C; COMPND 14 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES; SOURCE 5 MOL_ID: 3; SOURCE 6 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 7 ORGANISM_COMMON: FRUIT FLY; SOURCE 8 ORGANISM_TAXID: 7227; SOURCE 9 GENE: PRD; SOURCE 10 EXPRESSION_SYSTEM: BL21(DE3); SOURCE 11 EXPRESSION_SYSTEM_COMMON: BL21(DE3); SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET14BPRDPDB; SOURCE 13 EXPRESSION_SYSTEM_GENE: PRD KEYWDS PROTEIN-DNA COMPLEX, DOUBLE HELIX, PAX, PRD, PAIRED DOMAIN, DNA- KEYWDS 2 BINDING PROTEIN, GENE REGULATION-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR W.XU,M.A.ROULD,S.JUN,C.DESPLAN,C.O.PABO REVDAT 4 14-FEB-24 1PDN 1 REMARK REVDAT 3 24-FEB-09 1PDN 1 VERSN REVDAT 2 01-APR-03 1PDN 1 JRNL REVDAT 1 31-JUL-95 1PDN 0 JRNL AUTH W.XU,M.A.ROULD,S.JUN,C.DESPLAN,C.O.PABO JRNL TITL CRYSTAL STRUCTURE OF A PAIRED DOMAIN-DNA COMPLEX AT 2.5 A JRNL TITL 2 RESOLUTION REVEALS STRUCTURAL BASIS FOR PAX DEVELOPMENTAL JRNL TITL 3 MUTATIONS. JRNL REF CELL(CAMBRIDGE,MASS.) V. 80 639 1995 JRNL REFN ISSN 0092-8674 JRNL PMID 7867071 JRNL DOI 10.1016/0092-8674(95)90518-9 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 9285 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) : 0.234 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 912 REMARK 3 NUCLEIC ACID ATOMS : 609 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 13 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) : 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) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 3.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 28.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.800 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 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 1PDN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175616. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-FEB-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9285 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 4.680 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.00, VAPOR DIFFUSION, HANGING DROP 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 19.80000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 50.25000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.30000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 50.25000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.80000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.30000 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 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 C 1 REMARK 465 ARG C 125 REMARK 465 GLY C 126 REMARK 465 ARG C 127 REMARK 465 ASP C 128 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 SER C 71 OG REMARK 470 LYS C 72 CG CD CE NZ REMARK 470 PRO C 73 CG CD REMARK 470 ILE C 75 CG1 CG2 CD1 REMARK 470 THR C 77 OG1 CG2 REMARK 470 PRO C 78 CG CD REMARK 470 GLU C 81 CG CD OE1 OE2 REMARK 470 TYR C 87 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG C 89 CG CD NE CZ NH1 NH2 REMARK 470 SER C 90 OG REMARK 470 SER C 91 OG REMARK 470 PRO C 92 CG CD REMARK 470 ARG C 122 CG CD NE CZ NH1 NH2 REMARK 470 VAL C 124 CG1 CG2 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),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 DA A 1 C5' DA A 1 C4' 0.045 REMARK 500 DA A 1 N9 DA A 1 C4 -0.044 REMARK 500 DT B 17 C5 DT B 17 C7 0.047 REMARK 500 DC B 23 C3' DC B 23 C2' -0.049 REMARK 500 DC B 23 O3' DC B 23 C3' -0.039 REMARK 500 DC B 24 O3' DC B 24 C3' -0.045 REMARK 500 DT B 26 C6 DT B 26 N1 -0.044 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 DA A 1 C2 - N3 - C4 ANGL. DEV. = -5.2 DEGREES REMARK 500 DA A 1 C5 - C6 - N1 ANGL. DEV. = -3.1 DEGREES REMARK 500 DA A 1 N3 - C4 - N9 ANGL. DEV. = -4.9 DEGREES REMARK 500 DA A 2 C1' - O4' - C4' ANGL. DEV. = -12.3 DEGREES REMARK 500 DA A 2 O4' - C1' - C2' ANGL. DEV. = -5.5 DEGREES REMARK 500 DC A 3 O4' - C1' - N1 ANGL. DEV. = 2.8 DEGREES REMARK 500 DC A 3 N1 - C2 - O2 ANGL. DEV. = 4.2 DEGREES REMARK 500 DC A 3 N3 - C2 - O2 ANGL. DEV. = -4.7 DEGREES REMARK 500 DG A 4 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DT A 5 C6 - C5 - C7 ANGL. DEV. = -4.1 DEGREES REMARK 500 DC A 6 C3' - O3' - P ANGL. DEV. = 8.1 DEGREES REMARK 500 DA A 7 O4' - C1' - N9 ANGL. DEV. = -5.0 DEGREES REMARK 500 DC A 8 O4' - C1' - C2' ANGL. DEV. = -4.8 DEGREES REMARK 500 DG A 10 C1' - O4' - C4' ANGL. DEV. = -6.6 DEGREES REMARK 500 DG A 10 C4' - C3' - C2' ANGL. DEV. = -4.8 DEGREES REMARK 500 DT A 11 C6 - C5 - C7 ANGL. DEV. = -4.6 DEGREES REMARK 500 DC A 15 O4' - C1' - N1 ANGL. DEV. = 2.6 DEGREES REMARK 500 DT B 16 O4' - C4' - C3' ANGL. DEV. = 3.7 DEGREES REMARK 500 DT B 16 O4' - C1' - N1 ANGL. DEV. = 1.8 DEGREES REMARK 500 DT B 17 O4' - C1' - C2' ANGL. DEV. = -5.2 DEGREES REMARK 500 DT B 17 N3 - C2 - O2 ANGL. DEV. = -5.3 DEGREES REMARK 500 DT B 19 C4 - C5 - C6 ANGL. DEV. = 4.1 DEGREES REMARK 500 DA B 21 O4' - C1' - N9 ANGL. DEV. = 2.0 DEGREES REMARK 500 DA B 22 C4' - C3' - C2' ANGL. DEV. = -6.4 DEGREES REMARK 500 DA B 22 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DC B 23 O4' - C1' - C2' ANGL. DEV. = -5.4 DEGREES REMARK 500 DC B 23 O4' - C1' - N1 ANGL. DEV. = 4.5 DEGREES REMARK 500 DC B 24 O4' - C4' - C3' ANGL. DEV. = -3.2 DEGREES REMARK 500 DG B 25 O4' - C1' - N9 ANGL. DEV. = 2.3 DEGREES REMARK 500 DG B 25 C8 - N9 - C4 ANGL. DEV. = -3.0 DEGREES REMARK 500 DG B 25 N9 - C4 - C5 ANGL. DEV. = 2.5 DEGREES REMARK 500 DG B 25 C3' - O3' - P ANGL. DEV. = 7.2 DEGREES REMARK 500 DT B 26 C4 - C5 - C6 ANGL. DEV. = 3.9 DEGREES REMARK 500 DT B 26 N3 - C2 - O2 ANGL. DEV. = -4.8 DEGREES REMARK 500 DG B 27 O4' - C1' - C2' ANGL. DEV. = -5.6 DEGREES REMARK 500 DA B 28 O4' - C1' - N9 ANGL. DEV. = 3.6 DEGREES REMARK 500 DC B 29 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 PRO C 78 N - CA - CB ANGL. DEV. = 8.9 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 ARG C 44 38.68 72.34 REMARK 500 ALA C 76 66.18 -101.81 REMARK 500 PRO C 78 -173.95 110.68 REMARK 500 TYR C 87 35.48 -81.78 REMARK 500 SER C 91 -88.62 18.80 REMARK 500 REMARK 500 REMARK: NULL DBREF 1PDN C 1 128 UNP P06601 PRD_DROME 27 154 DBREF 1PDN A 1 15 PDB 1PDN 1PDN 1 15 DBREF 1PDN B 16 30 PDB 1PDN 1PDN 16 30 SEQRES 1 A 15 DA DA DC DG DT DC DA DC DG DG DT DT DG SEQRES 2 A 15 DA DC SEQRES 1 B 15 DT DT DG DT DC DA DA DC DC DG DT DG DA SEQRES 2 B 15 DC DG SEQRES 1 C 128 GLY GLN GLY ARG VAL ASN GLN LEU GLY GLY VAL PHE ILE SEQRES 2 C 128 ASN GLY ARG PRO LEU PRO ASN ASN ILE ARG LEU LYS ILE SEQRES 3 C 128 VAL GLU MET ALA ALA ASP GLY ILE ARG PRO CYS VAL ILE SEQRES 4 C 128 SER ARG GLN LEU ARG VAL SER HIS GLY CYS VAL SER LYS SEQRES 5 C 128 ILE LEU ASN ARG TYR GLN GLU THR GLY SER ILE ARG PRO SEQRES 6 C 128 GLY VAL ILE GLY GLY SER LYS PRO ARG ILE ALA THR PRO SEQRES 7 C 128 GLU ILE GLU ASN ARG ILE GLU GLU TYR LYS ARG SER SER SEQRES 8 C 128 PRO GLY MET PHE SER TRP GLU ILE ARG GLU LYS LEU ILE SEQRES 9 C 128 ARG GLU GLY VAL CYS ASP ARG SER THR ALA PRO SER VAL SEQRES 10 C 128 SER ALA ILE SER ARG LEU VAL ARG GLY ARG ASP FORMUL 4 HOH *13(H2 O) HELIX 1 1 ASN C 20 ASP C 32 1 13 HELIX 2 2 PRO C 36 LEU C 43 1 8 HELIX 3 3 HIS C 47 THR C 60 1 14 HELIX 4 4 ILE C 80 GLU C 86 1 7 HELIX 5 5 SER C 96 ARG C 105 1 10 HELIX 6 6 VAL C 117 LEU C 123 1 7 SHEET 1 A 2 GLY C 3 VAL C 5 0 SHEET 2 A 2 VAL C 11 ILE C 13 -1 N PHE C 12 O ARG C 4 CRYST1 39.600 68.600 100.500 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 0.025253 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014577 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009950 0.00000