PDB Short entry for 3ORC HEADER GENE REGULATION/DNA 23-APR-98 3ORC TITLE CRYSTAL STRUCTURE OF AN ENGINEERED CRO MONOMER BOUND NONSPECIFICALLY TITLE 2 TO DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*TP*AP*TP*CP*GP*AP*TP*A)-3'); COMPND 3 CHAIN: R, S; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: 50% OCCUPANCY IN THE OUTERMOST POSITIONS; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (CRO REPRESSOR); COMPND 8 CHAIN: A; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES; COMPND 11 OTHER_DETAILS: WILDTYPE CRO DOES NOT FORM STABLE MONOMERS. THE COMPND 12 ENGINEERED-MONOMER PRESENTED HERE CONTAINS A 5-RESIDUE INSERTION COMPND 13 [DGEVK] FOLLOWING K 56. THE FIRST 2 RESIDUES OF THIS INSERTION ALLOW COMPND 14 THE FORMATION OF A BETA-TURN. THE REMAINING 3 RESIDUES MIMIC RESIDUES COMPND 15 OF THE WILDTYPE DIMER INTERFACE, ALLOWING STABILIZING INTERACTIONS TO COMPND 16 BE MAINTAINED. THE OVERALL STRUCTURE OF THIS MONOMER IS QUITE SIMILAR COMPND 17 TO A SUBUNIT OF THE WILDTYPE DIMER. SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE LAMBDA; SOURCE 5 ORGANISM_TAXID: 10710; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: X90; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PUCRO.MDG; SOURCE 10 EXPRESSION_SYSTEM_GENE: CRO MUTANT K56-[DGEVK] KEYWDS CRO, PROTEIN-DNA INTERACTION, BACTERIOPHAGE LAMBDA, REPRESSOR, KEYWDS 2 MONOMER-DIMER, HELIX-TURN-HELIX, COMPLEX (GENE REGULATING PROTEIN- KEYWDS 3 DNA), GENE REGULATION-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.A.ALBRIGHT,M.C.MOSSING,B.W.MATTHEWS REVDAT 4 02-AUG-23 3ORC 1 REMARK REVDAT 3 29-NOV-17 3ORC 1 HELIX REVDAT 2 24-FEB-09 3ORC 1 VERSN REVDAT 1 02-DEC-98 3ORC 0 JRNL AUTH R.A.ALBRIGHT,M.C.MOSSING,B.W.MATTHEWS JRNL TITL CRYSTAL STRUCTURE OF AN ENGINEERED CRO MONOMER BOUND JRNL TITL 2 NONSPECIFICALLY TO DNA: POSSIBLE IMPLICATIONS FOR JRNL TITL 3 NONSPECIFIC BINDING BY THE WILD-TYPE PROTEIN. JRNL REF PROTEIN SCI. V. 7 1485 1998 JRNL REFN ISSN 0961-8368 JRNL PMID 9684880 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.H.OHLENDORF,D.E.TRONRUD,B.W.MATTHEWS REMARK 1 TITL REFINED STRUCTURE OF CRO REPRESSOR PROTEIN FROM REMARK 1 TITL 2 BACTERIOPHAGE LAMBDA SUGGESTS BOTH FLEXIBILITY AND REMARK 1 TITL 3 PLASTICITY REMARK 1 REF J.MOL.BIOL. V. 280 129 1998 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.A.ALBRIGHT,B.W.MATTHEWS REMARK 1 TITL CRYSTAL STRUCTURE OF LAMBDA-CRO BOUND TO A CONSENSUS REMARK 1 TITL 2 OPERATOR AT 3.0 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 280 137 1998 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.A.ALBRIGHT,M.C.MOSSING,B.W.MATTHEWS REMARK 1 TITL HIGH-RESOLUTION STRUCTURE OF AN ENGINEERED CRO MONOMER SHOWS REMARK 1 TITL 2 CHANGES IN CONFORMATION RELATIVE TO THE NATIVE DIMER REMARK 1 REF BIOCHEMISTRY V. 35 735 1996 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 4 REMARK 1 AUTH M.C.MOSSING,R.T.SAUER REMARK 1 TITL STABLE, MONOMERIC VARIANTS OF LAMBDA CRO OBTAINED BY REMARK 1 TITL 2 INSERTION OF A DESIGNED BETA-HAIRPIN SEQUENCE REMARK 1 REF SCIENCE V. 250 1712 1990 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5EB REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 2452 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.2240 REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 13041 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 501 REMARK 3 NUCLEIC ACID ATOMS : 322 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 3 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 51.100 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.015 ; 0.380 ; 689 REMARK 3 BOND ANGLES (DEGREES) : 2.656 ; 0.660 ; 959 REMARK 3 TORSION ANGLES (DEGREES) : 19.550; 0.700 ; 399 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.006 ; 1.500 ; 13 REMARK 3 GENERAL PLANES (A) : 0.013 ; 2.000 ; 82 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 2.548 ; 4.000 ; 707 REMARK 3 NON-BONDED CONTACTS (A) : 0.018 ; 10.000; 51 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABINET REMARK 3 KSOL : 0.60 REMARK 3 BSOL : 160.0 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO (MODIFIED TO INCLUDE DNA) REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL (MODIFIED TO REMARK 3 INCLUDE DNA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3ORC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000179072. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-93 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 4.6 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 : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE CRYSTAL REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SDMS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SDMS REMARK 200 DATA SCALING SOFTWARE : SDMS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 2452 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 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 (%) : 99.7 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05300 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1ORC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: COCRYSTALS WERE OBTAINED BY MIXING A REMARK 280 1.5 MOLAR EXCESS OF THE 7BP DNA FRAGMENT WITH CRO K56-[DGEVK], REMARK 280 COMBINING WITH AN EQUAL VOLUME OF PRECIPITANT BUFFER (140MM REMARK 280 AMMONIUM ACETATE, 31% PEG 3350, 100MM ACETATE BUFFER PH 4.6), REMARK 280 THEN EQUILIBRATING AGAINST THE PRECIPITANT BUFFER VIA THE REMARK 280 HANGING-DROP METHOD AT ROOM TEMPERATURE., VAPOR DIFFUSION - REMARK 280 HANGING DROP, TEMPERATURE 293K, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 22.86000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.33000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 22.86000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.33000 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: WILDTYPE CRO DOES NOT FORM STABLE MONOMERS. THE REMARK 300 ENGINEERED MONOMER PRESENTED HERE CONTAINS A 5-RESIDUE REMARK 300 INSERTION [DGEVK] FOLLOWING K 56. THE FIRST 2 RESIDUES OF REMARK 300 THIS INSERTION ALLOW THE FORMATION OF A BETA-TURN. THE REMARK 300 REMAINING 3 RESIDUES MIMIC RESIDUES OF THE WILDTYPE DIMER REMARK 300 INTERFACE, ALLOWING STABILIZING INTERACTIONS TO BE REMARK 300 MAINTAINED. THE OVERALL STRUCTURE OF THIS MONOMER IS QUITE REMARK 300 SIMILAR TO A SUBUNIT OF THE WILDTYPE DIMER. 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: R, S, 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 GLU A 2 CG CD OE1 OE2 REMARK 470 LYS A 21 CG CD CE NZ 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 R 2 O3' DA R 2 C3' 0.080 REMARK 500 DC R 4 O3' DC R 4 C3' 0.081 REMARK 500 DA S 2 O3' DA S 2 C3' 0.080 REMARK 500 DC S 4 O3' DC S 4 C3' 0.081 REMARK 500 GLU A 54 CD GLU A 54 OE2 0.069 REMARK 500 GLU A 59 CD GLU A 59 OE2 0.072 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 R 2 C3' - O3' - P ANGL. DEV. = 12.5 DEGREES REMARK 500 DC R 4 O4' - C1' - N1 ANGL. DEV. = -5.7 DEGREES REMARK 500 DA R 6 P - O5' - C5' ANGL. DEV. = -10.1 DEGREES REMARK 500 DT R 7 O4' - C4' - C3' ANGL. DEV. = -3.7 DEGREES REMARK 500 DA S 2 C3' - O3' - P ANGL. DEV. = 12.5 DEGREES REMARK 500 DC S 4 O4' - C1' - N1 ANGL. DEV. = -5.7 DEGREES REMARK 500 DA S 6 P - O5' - C5' ANGL. DEV. = -10.1 DEGREES REMARK 500 DT S 7 O4' - C4' - C3' ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 4 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ILE A 5 CB - CA - C ANGL. DEV. = -12.3 DEGREES REMARK 500 ASP A 9 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ASP A 22 CB - CG - OD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ASP A 22 CB - CG - OD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 PRO A 62 C - N - CD ANGL. DEV. = -19.6 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 GLN A 3 -21.79 -158.13 REMARK 500 ARG A 4 114.08 -161.97 REMARK 500 ARG A 13 -76.50 -66.21 REMARK 500 ILE A 30 -71.52 -62.43 REMARK 500 ALA A 46 -31.18 -32.64 REMARK 500 LYS A 56 -82.79 -58.58 REMARK 500 PHE A 63 112.81 -161.93 REMARK 500 REMARK 500 REMARK: NULL DBREF 3ORC A 2 66 UNP P03040 RCRO_LAMBD 2 61 DBREF 3ORC R 1 8 PDB 3ORC 3ORC 1 8 DBREF 3ORC S 1 8 PDB 3ORC 3ORC 1 8 SEQADV 3ORC ASP A 57 UNP P03040 ASP SEE REMARK 999 SEQADV 3ORC GLY A 58 UNP P03040 GLY SEE REMARK 999 SEQADV 3ORC GLU A 59 UNP P03040 GLU 54 SEE REMARK 999 SEQADV 3ORC VAL A 60 UNP P03040 VAL 55 SEE REMARK 999 SEQADV 3ORC LYS A 61 UNP P03040 LYS 56 SEE REMARK 999 SEQADV 3ORC PRO A 62 UNP P03040 PRO 57 SEE REMARK 999 SEQADV 3ORC PHE A 63 UNP P03040 PHE 58 SEE REMARK 999 SEQADV 3ORC PRO A 64 UNP P03040 PRO 59 SEE REMARK 999 SEQADV 3ORC SER A 65 UNP P03040 SER 60 SEE REMARK 999 SEQADV 3ORC ASN A 66 UNP P03040 ASN 61 SEE REMARK 999 SEQRES 1 R 8 DT DA DT DC DG DA DT DA SEQRES 1 S 8 DT DA DT DC DG DA DT DA SEQRES 1 A 65 GLU GLN ARG ILE THR LEU LYS ASP TYR ALA MET ARG PHE SEQRES 2 A 65 GLY GLN THR LYS THR ALA LYS ASP LEU GLY VAL TYR GLN SEQRES 3 A 65 SER ALA ILE ASN LYS ALA ILE HIS ALA GLY ARG LYS ILE SEQRES 4 A 65 PHE LEU THR ILE ASN ALA ASP GLY SER VAL TYR ALA GLU SEQRES 5 A 65 GLU VAL LYS ASP GLY GLU VAL LYS PRO PHE PRO SER ASN FORMUL 4 HOH *3(H2 O) HELIX 1 1 LEU A 7 LEU A 23 1 17 HELIX 2 2 GLN A 27 ALA A 36 1 10 SHEET 1 A 4 ARG A 4 THR A 6 0 SHEET 2 A 4 ILE A 40 ASN A 45 -1 N LEU A 42 O ILE A 5 SHEET 3 A 4 SER A 49 ASP A 57 -1 N GLU A 53 O PHE A 41 SHEET 4 A 4 GLU A 59 PHE A 63 -1 N PHE A 63 O ALA A 52 CISPEP 1 PHE A 63 PRO A 64 0 -2.22 CRYST1 45.720 60.660 45.720 90.00 112.70 90.00 C 1 2 1 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 0.021872 0.000000 0.009149 0.00000 SCALE2 0.000000 0.016485 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023709 0.00000