HEADER PEPTIDE RECOGNITION 20-MAY-98 1BFE TITLE THE THIRD PDZ DOMAIN FROM THE SYNAPTIC PROTEIN PSD-95 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PSD-95; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: THE THIRD PDZ DOMAIN OF PSD-95; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PGEX-4T-1 KEYWDS PEPTIDE RECOGNITION, PROTEIN LOCALIZATION EXPDTA X-RAY DIFFRACTION AUTHOR D.A.DOYLE,A.LEE,J.LEWIS,E.KIM,M.SHENG,R.MACKINNON REVDAT 7 07-FEB-24 1BFE 1 REMARK REVDAT 6 07-MAR-18 1BFE 1 REMARK REVDAT 5 16-NOV-11 1BFE 1 VERSN HETATM REVDAT 4 22-SEP-10 1BFE 1 REMARK REVDAT 3 24-FEB-09 1BFE 1 VERSN REVDAT 2 01-APR-03 1BFE 1 JRNL REVDAT 1 21-OCT-98 1BFE 0 JRNL AUTH D.A.DOYLE,A.LEE,J.LEWIS,E.KIM,M.SHENG,R.MACKINNON JRNL TITL CRYSTAL STRUCTURES OF A COMPLEXED AND PEPTIDE-FREE MEMBRANE JRNL TITL 2 PROTEIN-BINDING DOMAIN: MOLECULAR BASIS OF PEPTIDE JRNL TITL 3 RECOGNITION BY PDZ. JRNL REF CELL(CAMBRIDGE,MASS.) V. 85 1067 1996 JRNL PUBL CELL PRESS JRNL REFN ISSN 0092-8674 JRNL PMID 8674113 JRNL DOI 10.1016/S0092-8674(00)81307-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.L.DANIELS,A.R.COHEN,J.M.ANDERSON,A.T.BRUNGER REMARK 1 TITL CRYSTAL STRUCTURE OF THE HCASK PDZ DOMAIN REVEALS STRUCTURAL REMARK 1 TITL 2 BASIS OF CLASS II PDZ DOMAIN TARGET RECOGNITION REMARK 1 REF NAT.STRUCT.BIOL. V. 5 317 1998 REMARK 1 REFN ISSN 1072-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.CABRAL,C.PETOSA,M.J.SUTCLIFFE,S.RAZA,O.BYRON,F.POY, REMARK 1 AUTH 2 S.M.MARFATIA,A.H.CHISHTI,R.C.LIDDINGTON REMARK 1 TITL CRYSTAL STRUCTURE OF A PDZ DOMAIN REMARK 1 REF NATURE V. 382 649 1996 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : 0.214 REMARK 3 FREE R VALUE : 0.315 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL 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 : 826 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 111 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 1BFE 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_1000171690. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6421 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.16600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.8 M SODIUM CITRATE, 0.1 M HEPES, PH REMARK 280 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 3 2 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 5555 Z,X,Y REMARK 290 6555 Z+1/2,-X+1/2,-Y REMARK 290 7555 -Z+1/2,-X,Y+1/2 REMARK 290 8555 -Z,X+1/2,-Y+1/2 REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z+1/2,-X+1/2 REMARK 290 11555 Y+1/2,-Z+1/2,-X REMARK 290 12555 -Y+1/2,-Z,X+1/2 REMARK 290 13555 Y+3/4,X+1/4,-Z+1/4 REMARK 290 14555 -Y+3/4,-X+3/4,-Z+3/4 REMARK 290 15555 Y+1/4,-X+1/4,Z+3/4 REMARK 290 16555 -Y+1/4,X+3/4,Z+1/4 REMARK 290 17555 X+3/4,Z+1/4,-Y+1/4 REMARK 290 18555 -X+1/4,Z+3/4,Y+1/4 REMARK 290 19555 -X+3/4,-Z+3/4,-Y+3/4 REMARK 290 20555 X+1/4,-Z+1/4,Y+3/4 REMARK 290 21555 Z+3/4,Y+1/4,-X+1/4 REMARK 290 22555 Z+1/4,-Y+1/4,X+3/4 REMARK 290 23555 -Z+1/4,Y+3/4,X+1/4 REMARK 290 24555 -Z+3/4,-Y+3/4,-X+3/4 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 44.60000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.60000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 44.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 44.60000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 44.60000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 44.60000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 44.60000 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 44.60000 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 44.60000 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 44.60000 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 44.60000 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 44.60000 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 44.60000 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 44.60000 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 44.60000 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 44.60000 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 44.60000 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 44.60000 REMARK 290 SMTRY1 13 0.000000 1.000000 0.000000 66.90000 REMARK 290 SMTRY2 13 1.000000 0.000000 0.000000 22.30000 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 22.30000 REMARK 290 SMTRY1 14 0.000000 -1.000000 0.000000 66.90000 REMARK 290 SMTRY2 14 -1.000000 0.000000 0.000000 66.90000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 66.90000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 22.30000 REMARK 290 SMTRY2 15 -1.000000 0.000000 0.000000 22.30000 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 66.90000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 22.30000 REMARK 290 SMTRY2 16 1.000000 0.000000 0.000000 66.90000 REMARK 290 SMTRY3 16 0.000000 0.000000 1.000000 22.30000 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 66.90000 REMARK 290 SMTRY2 17 0.000000 0.000000 1.000000 22.30000 REMARK 290 SMTRY3 17 0.000000 -1.000000 0.000000 22.30000 REMARK 290 SMTRY1 18 -1.000000 0.000000 0.000000 22.30000 REMARK 290 SMTRY2 18 0.000000 0.000000 1.000000 66.90000 REMARK 290 SMTRY3 18 0.000000 1.000000 0.000000 22.30000 REMARK 290 SMTRY1 19 -1.000000 0.000000 0.000000 66.90000 REMARK 290 SMTRY2 19 0.000000 0.000000 -1.000000 66.90000 REMARK 290 SMTRY3 19 0.000000 -1.000000 0.000000 66.90000 REMARK 290 SMTRY1 20 1.000000 0.000000 0.000000 22.30000 REMARK 290 SMTRY2 20 0.000000 0.000000 -1.000000 22.30000 REMARK 290 SMTRY3 20 0.000000 1.000000 0.000000 66.90000 REMARK 290 SMTRY1 21 0.000000 0.000000 1.000000 66.90000 REMARK 290 SMTRY2 21 0.000000 1.000000 0.000000 22.30000 REMARK 290 SMTRY3 21 -1.000000 0.000000 0.000000 22.30000 REMARK 290 SMTRY1 22 0.000000 0.000000 1.000000 22.30000 REMARK 290 SMTRY2 22 0.000000 -1.000000 0.000000 22.30000 REMARK 290 SMTRY3 22 1.000000 0.000000 0.000000 66.90000 REMARK 290 SMTRY1 23 0.000000 0.000000 -1.000000 22.30000 REMARK 290 SMTRY2 23 0.000000 1.000000 0.000000 66.90000 REMARK 290 SMTRY3 23 1.000000 0.000000 0.000000 22.30000 REMARK 290 SMTRY1 24 0.000000 0.000000 -1.000000 66.90000 REMARK 290 SMTRY2 24 0.000000 -1.000000 0.000000 66.90000 REMARK 290 SMTRY3 24 -1.000000 0.000000 0.000000 66.90000 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 66 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 72 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 103 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 GLY A 297 REMARK 465 SER A 298 REMARK 465 PRO A 299 REMARK 465 GLU A 300 REMARK 465 PHE A 301 REMARK 465 LEU A 302 REMARK 465 GLY A 303 REMARK 465 GLU A 304 REMARK 465 GLU A 305 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 ASP A 306 CG OD1 OD2 REMARK 470 ASP A 332 CG OD1 OD2 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 THR A 321 -154.81 -103.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: PEP REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: RESIDUES INVOLVED IN THE BINDING OF THE FOUR C REMARK 800 -TERMINAL RESIDUES OF CRIPT. DBREF 1BFE A 302 402 UNP P31016 DLG4_RAT 302 402 SEQRES 1 A 119 GLY SER PRO GLU PHE LEU GLY GLU GLU ASP ILE PRO ARG SEQRES 2 A 119 GLU PRO ARG ARG ILE VAL ILE HIS ARG GLY SER THR GLY SEQRES 3 A 119 LEU GLY PHE ASN ILE ILE GLY GLY GLU ASP GLY GLU GLY SEQRES 4 A 119 ILE PHE ILE SER PHE ILE LEU ALA GLY GLY PRO ALA ASP SEQRES 5 A 119 LEU SER GLY GLU LEU ARG LYS GLY ASP GLN ILE LEU SER SEQRES 6 A 119 VAL ASN GLY VAL ASP LEU ARG ASN ALA SER HIS GLU GLN SEQRES 7 A 119 ALA ALA ILE ALA LEU LYS ASN ALA GLY GLN THR VAL THR SEQRES 8 A 119 ILE ILE ALA GLN TYR LYS PRO GLU GLU TYR SER ARG PHE SEQRES 9 A 119 GLU ALA ASN SER ARG VAL ASN SER SER GLY ARG ILE VAL SEQRES 10 A 119 THR ASN FORMUL 2 HOH *111(H2 O) HELIX 1 1 PRO A 346 SER A 350 1 5 HELIX 2 2 HIS A 372 ASN A 381 1 10 HELIX 3 3 PRO A 394 SER A 398 1 5 SHEET 1 A 3 ARG A 312 HIS A 317 0 SHEET 2 A 3 THR A 385 TYR A 392 -1 N ALA A 390 O ARG A 312 SHEET 3 A 3 ASP A 357 VAL A 362 -1 N SER A 361 O ILE A 389 SHEET 1 B 2 SER A 404 VAL A 406 0 SHEET 2 B 2 ILE A 412 THR A 414 -1 N VAL A 413 O ARG A 405 SHEET 1 C 2 PHE A 325 GLY A 329 0 SHEET 2 C 2 ILE A 336 ILE A 341 -1 N PHE A 340 O ASN A 326 SITE 1 PEP 9 GLY A 322 LEU A 323 GLY A 324 PHE A 325 SITE 2 PEP 9 ASN A 326 ILE A 327 SER A 339 HIS A 372 SITE 3 PEP 9 LEU A 379 CRYST1 89.200 89.200 89.200 90.00 90.00 90.00 P 41 3 2 24 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 0.011211 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011211 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011211 0.00000