PDB Short entry for 3SAK HEADER APOPTOSIS/CELL CYCLE/GENE REGULATION 30-APR-99 3SAK TITLE HIGH RESOLUTION SOLUTION NMR STRUCTURE OF THE OLIGOMERIZATION DOMAIN TITLE 2 OF P53 BY MULTI-DIMENSIONAL NMR (SAC STRUCTURES) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (TUMOR SUPPRESSOR P53); COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: OLIGOMERIZATION DOMAIN, RESIDUES 319 - 360 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS ANTI-ONCOGENE, P53 DOMAIN, APOPTOSIS-CELL CYCLE-GENE REGULATION KEYWDS 2 COMPLEX EXPDTA SOLUTION NMR NUMMDL 23 AUTHOR G.M.CLORE REVDAT 6 27-DEC-23 3SAK 1 REMARK REVDAT 5 03-NOV-21 3SAK 1 REMARK REVDAT 4 24-FEB-09 3SAK 1 VERSN REVDAT 3 27-SEP-00 3SAK 1 HEADER DBREF REVDAT 2 30-JUN-99 3SAK 1 HEADER REVDAT 1 25-JUN-99 3SAK 0 JRNL AUTH J.KUSZEWSKI,A.M.GRONENBORN,G.M.CLORE JRNL TITL IMPROVING THE PACKING AND ACCURACY OF NMR STRUCTURE WITH A JRNL TITL 2 PSEUDOPOTENTIAL FOR THE RADIUS OF GYRATION JRNL REF J.AM.CHEM.SOC. V. 121 2337 1999 JRNL REFN ISSN 0002-7863 JRNL DOI 10.1021/JA9843730 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.M.CLORE,J.ERNST,R.CLUBB,J.G.OMICHINSKI, REMARK 1 AUTH 2 W.M.POINDEXTER KENNEDY,K.SAKAGUCHI,E.APPELLA,A.M.GRONENBORN REMARK 1 TITL REFINED SOLUTION STRUCTURE OF THE OLIGOMERIZATION DOMAIN OF REMARK 1 TITL 2 THE TUMOUR SUPPRESSOR P53 REMARK 1 REF NAT.STRUCT.BIOL. V. 2 321 1995 REMARK 1 REFN ISSN 1072-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH G.M.CLORE,J.G.OMICHINSKI,K.SAKAGUCHI,N.ZAMBRANO,H.SAKAMOTO, REMARK 1 AUTH 2 E.APPELLA,A.M.GRONENBORN REMARK 1 TITL INTERHELICAL ANGLES IN THE SOLUTION STRUCTURE OF THE REMARK 1 TITL 2 OLIGOMERIZATION DOMAIN OF P53: CORRECTION REMARK 1 REF SCIENCE V. 267 1515 1995 REMARK 1 REFN ISSN 0036-8075 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.M.CLORE,J.G.OMICHINSKI,K.SAKAGUCHI,N.ZAMBRANO,H.SAKAMOTO, REMARK 1 AUTH 2 E.APPELLA,A.M.GRONENBORN REMARK 1 TITL HIGH-RESOLUTION STRUCTURE OF THE OLIGOMERIZATION DOMAIN OF REMARK 1 TITL 2 P53 BY MULTIDIMENSIONAL NMR REMARK 1 REF SCIENCE V. 265 386 1994 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XPLOR/CNS REMARK 3 AUTHORS : BRUNGER, A., CLORE, G.M. ET AL. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 TERMS IN THE TARGET FUNCTION USED FOR SIMULATED ANNEALING REMARK 3 NOE (SUM AVERAGING) AND TORSION ANGLE RESTRAINTS REMARK 3 3JHNALPHA COUPLING CONSTANT RESTRAINTS (GARRETT ET AL REMARK 3 J. MAGN. RESON. B104, 99-103 (1994). REMARK 3 TERM FOR THE RADIUS OF GYRATION (KUSZEWSKI J, GRONENB REMARK 3 CLORE, GM J AM CHEM SOC 121, 2337-2338 (1999)) REMARK 3 TORSION ANGLE DATABASE POTENTIAL (KUSZEWSKI J, GRONEN REMARK 3 CLORE GM. PROTEIN SCI 5, 1067-1080 (1996); J. MAGN REMARK 3 125, 171-177 (1997). REMARK 3 COVALENT GEOMETRY RESTRAINTS (BONDS, ANGLES, IMPROPER REMARK 3 QUARTIC VAN DER WAALS REPULSION TERM (NILGES. M, REMARK 3 GRONENBORN, A.M., BRUNGER, A.T., CLORE, G.M. (1988) REMARK 3 PROTEIN ENG. 2, 27-38). REMARK 3 REMARK 3 THE 3D STRUCTURE OF THE OLIGOMERIZATION DOMAIN (RESIDUES REMARK 3 319 - 360) OF P53 BY MULTI-DIMENSIONAL HETERONUCLEAR-EDITED REMARK 3 AND -FILTERED NMR IS BASED ON 4472 EXPERIMENTAL RESTRAINTS REMARK 3 COMPRISING THE FOLLOWING INTRA- AND INTER-SUBUNIT REMARK 3 RESTRAINTS: REMARK 3 REMARK 3 (A) INTRASUBUNIT: 852 SEQUENTIAL (|I-J|=1), 712 MEDIUM REMARK 3 RANGE (1 < |I-J| >=5) AND 76 LONG RANGE (|I-J| >5) REMARK 3 INTERRESIDUES AND 740 INTRARESIDUE APPROXIMATE INTERPROTON REMARK 3 DISTANCE RESTRAINTS, 136 DISTANCE RESTRAINTS FOR 68 REMARK 3 HYDROGEN BONDS, 284 TORSION ANGLE (144 PHI, 104 CHI1, AND REMARK 3 36 CHI2) RESTRAINTS, AND 144 THREE-BOND HN-HA COUPLING REMARK 3 CONSTANT RESTRAINTS. REMARK 3 REMARK 3 (B) INTERSUBUNIT: 244 A-B/C-D, 876 A-C/B-D, 40 A-D/B-C REMARK 3 APPROXIMATE INTERPROTON DISTANCE RESTRAINTS, 40 DISTANCE REMARK 3 RESTRAINTS FOR 20 HYDROGEN BONDS INVOLVING THE A-C/B-D REMARK 3 SUBUNITS, AND 36 DISTANCE RESTRAINTS FOR 4 WATER MOLECULES. REMARK 3 IN ADDITION, THERE ARE A TOTAL OF 38 CALPHA AND 35 CB REMARK 3 CHEMICAL SHIFT RESTRAINTS PER SUBUNIT THAT HAVE BEEN REMARK 3 INCORPORATED INTO THE REFINEMENT [J. KUSZWESKI, J. QIN, REMARK 3 A.M. GRONENBORN AND G.M. CLORE, J. MAGN RESON. SER B 106, REMARK 3 92-96 (1995)]. REMARK 3 REMARK 3 REMARK 3 THE STRUCTURES ARE CALCULATED USING THE HYBRID METRIC REMARK 3 MATRIX DISTANCE GEOMETRY-DYNAMICAL SIMULATED ANNEALING REMARK 3 METHOD DESCRIBED BY: NILGES, M., CLORE, G.M. & REMARK 3 GRONENBORN, A.M. (1988) FEBS LETT. 229, 317-324. ALL REMARK 3 STRUCTURAL STATISTICS ARE GIVEN IN THE SOURCE REFERENCE. REMARK 3 REMARK 3 THIS ENTRY CONTAINS THE RESTRAINED MINIMIZED AVERAGE REMARK 3 STRUCTURE, FOLLOWED BY THE 22 INDIVIDUAL SIMULATED ANNEALING REMARK 3 STRUCTURES. THE RESTRAINED MINIMIZED MEAN STRUCTURE IS OBTAI REMARK 3 BY FIRST AVERAGING REMARK 3 COORDINATES OF THE INDIVIDUAL 22 DYNAMICAL SIMULATED REMARK 3 ANNEALING SA STRUCTURES BEST FITTED TO RESIDUES 326 - 354 REMARK 3 OF ALL FOUR SUBUNITS, AND SUBJECTING THE RESULTING REMARK 3 COORDINATES TO RESTRAINED MINIMIZATION. THE QUANTITY REMARK 3 PRESENTED IN COLUMNS 61 - 66 OF THE RESTRAINED MINIMIZED MEA REMARK 3 STRUCTURE REMARK 3 (THE B-FACTOR COLUMN IN X-RAY STRUCTURES) GIVES THE REMARK 3 AVERAGE RMS DIFFERENCE BETWEEN THE INDIVIDUAL SA STRUCTURES REMARK 3 AND THE MEAN STRUCTURE. THE NUMBERS IN COLUMNS 61 - 66 OF REMARK 3 THE INDIVIDUAL STRUCTURES HAVE NO MEANING. NOTE THAT REMARK 3 RESIDUES 319 - 323 AT THE N-TERMINUS AND RESIDUES 357 - 360 REMARK 3 AT THE C-TERMINUS ARE COMPLETELY DISORDERED. REMARK 3 REMARK 3 REMARK 3 TERMS IN THE TARGET FUNCTION USED FOR SIMULATED ANNEALING: REMARK 3 NOE (SUM AVERAGING) AND TORSION ANGLE RESTRAINTS REMARK 3 3JHNALPHA COUPLING CONSTANT RESTRAINTS (GARRETT ET AL REMARK 3 J. MAGN. RESON. B104, 99-103 (1994). REMARK 3 TERM FOR THE RADIUS OF GYRATION (KUSZEWSKI J, GRONENB REMARK 3 CLORE, GM J AM CHEM SOC 121, 2337-2338 (1999)) REMARK 3 TORSION ANGLE DATABASE POTENTIAL (KUSZEWSKI J, GRONEN REMARK 3 CLORE GM. PROTEIN SCI 5, 1067-1080 (1996); J. MAGN REMARK 3 125, 171-177 (1997). REMARK 3 COVALENT GEOMETRY RESTRAINTS (BONDS, ANGLES, IMPROPER REMARK 3 QUARTIC VAN DER WAALS REPULSION TERM (NILGES. M, REMARK 3 GRONENBORN, A.M., BRUNGER, A.T., CLORE, G.M. (1988) REMARK 3 PROTEIN ENG. 2, 27-38). REMARK 3 REMARK 3 THE 3D STRUCTURE OF THE OLIGOMERIZATION DOMAIN (RESIDUES REMARK 3 319 - 360) OF P53 BY MULTI-DIMENSIONAL HETERONUCLEAR-EDITED REMARK 3 AND -FILTERED NMR IS BASED ON 4472 EXPERIMENTAL RESTRAINTS REMARK 3 COMPRISING THE FOLLOWING INTRA- AND INTER-SUBUNIT REMARK 3 RESTRAINTS: REMARK 3 REMARK 3 (A) INTRASUBUNIT: 852 SEQUENTIAL (|I-J|=1), 712 MEDIUM REMARK 3 RANGE (1 < |I-J| >=5) AND 76 LONG RANGE (|I-J| >5) REMARK 3 INTERRESIDUES AND 740 INTRARESIDUE APPROXIMATE INTERPROTON REMARK 3 DISTANCE RESTRAINTS, 136 DISTANCE RESTRAINTS FOR 68 REMARK 3 HYDROGEN BONDS, 284 TORSION ANGLE (144 PHI, 104 CHI1, AND REMARK 3 36 CHI2) RESTRAINTS, AND 144 THREE-BOND HN-HA COUPLING REMARK 3 CONSTANT RESTRAINTS. REMARK 3 REMARK 3 (B) INTERSUBUNIT: 244 A-B/C-D, 876 A-C/B-D, 40 A-D/B-C REMARK 3 APPROXIMATE INTERPROTON DISTANCE RESTRAINTS, 40 DISTANCE REMARK 3 RESTRAINTS FOR 20 HYDROGEN BONDS INVOLVING THE A-C/B-D REMARK 3 SUBUNITS, AND 36 DISTANCE RESTRAINTS FOR 4 WATER MOLECULES. REMARK 3 IN ADDITION, THERE ARE A TOTAL OF 38 CALPHA AND 35 CB REMARK 3 CHEMICAL SHIFT RESTRAINTS PER SUBUNIT THAT HAVE BEEN REMARK 3 INCORPORATED INTO THE REFINEMENT [J. KUSZWESKI, J. QIN, REMARK 3 A.M. GRONENBORN AND G.M. CLORE, J. MAGN RESON. SER B 106, REMARK 3 92-96 (1995)]. REMARK 3 REMARK 3 THE STRUCTURES ARE CALCULATED USING THE HYBRID METRIC REMARK 3 MATRIX DISTANCE GEOMETRY-DYNAMICAL SIMULATED ANNEALING REMARK 3 METHOD DESCRIBED BY: NILGES, M., CLORE, G.M. & REMARK 3 GRONENBORN, A.M. (1988) FEBS LETT. 229, 317-324. ALL REMARK 3 STRUCTURAL STATISTICS ARE GIVEN IN THE SOURCE REFERENCE. REMARK 3 REMARK 3 THIS ENTRY CONTAINS THE RESTRAINED MINIMIZED AVERAGE REMARK 3 STRUCTURE, FOLLOWED BY THE 22 INDIVIDUAL SIMULATED ANNEALING REMARK 3 STRUCTURES. THE RESTRAINED MINIMIZED MEAN STRUCTURE IS OBTAI REMARK 3 BY FIRST AVERAGING REMARK 3 COORDINATES OF THE INDIVIDUAL 22 DYNAMICAL SIMULATED REMARK 3 ANNEALING SA STRUCTURES BEST FITTED TO RESIDUES 326 - 354 REMARK 3 OF ALL FOUR SUBUNITS, AND SUBJECTING THE RESULTING REMARK 3 COORDINATES TO RESTRAINED MINIMIZATION. THE QUANTITY REMARK 3 PRESENTED IN COLUMNS 61 - 66 OF THE RESTRAINED MINIMIZED MEA REMARK 3 STRUCTURE REMARK 3 (THE B-FACTOR COLUMN IN X-RAY STRUCTURES) GIVES THE REMARK 3 AVERAGE RMS DIFFERENCE BETWEEN THE INDIVIDUAL SA STRUCTURES REMARK 3 AND THE MEAN STRUCTURE. THE NUMBERS IN COLUMNS 61 - 66 OF REMARK 3 THE INDIVIDUAL STRUCTURES HAVE NO MEANING. NOTE THAT REMARK 3 RESIDUES 319 - 323 AT THE N-TERMINUS AND RESIDUES 357 - 360 REMARK 3 AT THE C-TERMINUS ARE COMPLETELY DISORDERED. REMARK 4 REMARK 4 3SAK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000000972. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308 REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D AND 4D TRIPLE AND DOUBLE REMARK 210 RESONANCE HETERONUCLEAR REMARK 210 EXPERIMENTS REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AMX; DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XPLOR/CNS REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 23 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 23 REMARK 210 CONFORMERS, SELECTION CRITERIA : SIMULATED ANNEALING REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 H3 LYS B 1 HZ2 LYS B 2 1.20 REMARK 500 H3 LYS C 1 HZ2 LYS C 2 1.20 REMARK 500 H3 LYS A 1 HZ2 LYS A 2 1.20 REMARK 500 H3 LYS D 1 HZ2 LYS D 2 1.20 REMARK 500 O LYS B 1 H LYS B 3 1.31 REMARK 500 O LYS D 1 H LYS D 3 1.31 REMARK 500 O LYS C 1 H LYS C 3 1.31 REMARK 500 O LYS A 1 H LYS A 3 1.31 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 1 LYS A 2 -39.39 58.21 REMARK 500 1 LYS A 3 151.50 54.83 REMARK 500 1 LYS B 2 -39.45 58.27 REMARK 500 1 LYS B 3 151.54 54.85 REMARK 500 1 LYS C 2 -39.31 58.14 REMARK 500 1 LYS C 3 151.53 54.77 REMARK 500 1 LYS D 2 -39.35 58.19 REMARK 500 1 LYS D 3 151.54 54.76 REMARK 500 2 LYS A 3 72.32 51.19 REMARK 500 2 PRO A 4 -80.56 -60.40 REMARK 500 2 PRO A 41 174.75 -55.95 REMARK 500 2 LYS B 3 71.44 52.03 REMARK 500 2 PRO B 4 -81.04 -58.77 REMARK 500 2 PRO B 41 174.35 -55.18 REMARK 500 2 LYS C 3 73.07 51.23 REMARK 500 2 PRO C 4 -79.79 -60.79 REMARK 500 2 PRO C 41 170.95 -55.49 REMARK 500 2 LYS D 3 72.93 51.38 REMARK 500 2 PRO D 4 -80.31 -60.56 REMARK 500 2 PRO D 41 173.29 -56.19 REMARK 500 3 LYS A 2 90.91 50.86 REMARK 500 3 LYS B 2 90.98 50.70 REMARK 500 3 LYS C 2 90.81 50.97 REMARK 500 3 LYS D 2 90.88 51.20 REMARK 500 4 LYS A 2 -50.37 63.41 REMARK 500 4 LYS A 3 149.13 59.85 REMARK 500 4 PRO A 4 -83.25 -58.57 REMARK 500 4 PRO A 41 3.92 -60.00 REMARK 500 4 LYS B 2 -50.07 63.15 REMARK 500 4 LYS B 3 149.83 60.11 REMARK 500 4 PRO B 4 -83.53 -58.96 REMARK 500 4 PRO B 41 3.43 -59.81 REMARK 500 4 LYS C 2 -49.90 63.01 REMARK 500 4 LYS C 3 149.69 59.81 REMARK 500 4 PRO C 4 -84.41 -58.93 REMARK 500 4 PRO C 41 3.86 -60.15 REMARK 500 4 LYS D 2 -49.67 62.65 REMARK 500 4 LYS D 3 149.54 59.78 REMARK 500 4 PRO D 4 -84.64 -58.76 REMARK 500 4 PRO D 41 3.73 -59.38 REMARK 500 5 LYS A 2 -168.92 47.44 REMARK 500 5 LYS A 3 149.66 60.14 REMARK 500 5 PRO A 4 -163.80 -54.36 REMARK 500 5 LYS B 2 -168.20 47.43 REMARK 500 5 LYS B 3 149.93 59.81 REMARK 500 5 PRO B 4 -163.18 -54.59 REMARK 500 5 LYS C 2 -169.25 47.83 REMARK 500 5 LYS C 3 149.75 60.44 REMARK 500 5 PRO C 4 -164.07 -54.41 REMARK 500 5 LYS D 2 -168.26 47.50 REMARK 500 REMARK 500 THIS ENTRY HAS 211 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL DBREF 3SAK A 1 42 UNP P04637 P53_HUMAN 319 360 DBREF 3SAK B 1 42 UNP P04637 P53_HUMAN 319 360 DBREF 3SAK C 1 42 UNP P04637 P53_HUMAN 319 360 DBREF 3SAK D 1 42 UNP P04637 P53_HUMAN 319 360 SEQRES 1 A 42 LYS LYS LYS PRO LEU ASP GLY GLU TYR PHE THR LEU GLN SEQRES 2 A 42 ILE ARG GLY ARG GLU ARG PHE GLU MET PHE ARG GLU LEU SEQRES 3 A 42 ASN GLU ALA LEU GLU LEU LYS ASP ALA GLN ALA GLY LYS SEQRES 4 A 42 GLU PRO GLY SEQRES 1 B 42 LYS LYS LYS PRO LEU ASP GLY GLU TYR PHE THR LEU GLN SEQRES 2 B 42 ILE ARG GLY ARG GLU ARG PHE GLU MET PHE ARG GLU LEU SEQRES 3 B 42 ASN GLU ALA LEU GLU LEU LYS ASP ALA GLN ALA GLY LYS SEQRES 4 B 42 GLU PRO GLY SEQRES 1 C 42 LYS LYS LYS PRO LEU ASP GLY GLU TYR PHE THR LEU GLN SEQRES 2 C 42 ILE ARG GLY ARG GLU ARG PHE GLU MET PHE ARG GLU LEU SEQRES 3 C 42 ASN GLU ALA LEU GLU LEU LYS ASP ALA GLN ALA GLY LYS SEQRES 4 C 42 GLU PRO GLY SEQRES 1 D 42 LYS LYS LYS PRO LEU ASP GLY GLU TYR PHE THR LEU GLN SEQRES 2 D 42 ILE ARG GLY ARG GLU ARG PHE GLU MET PHE ARG GLU LEU SEQRES 3 D 42 ASN GLU ALA LEU GLU LEU LYS ASP ALA GLN ALA GLY LYS SEQRES 4 D 42 GLU PRO GLY FORMUL 5 HOH *4(H2 O) HELIX 1 1 GLY A 16 GLY A 38 1 23 HELIX 2 2 GLY B 16 GLY B 38 1 23 HELIX 3 3 GLY C 16 GLY C 38 1 23 HELIX 4 4 GLY D 16 GLY D 38 1 23 SHEET 1 A 2 TYR A 9 ARG A 15 0 SHEET 2 A 2 TYR C 9 ARG C 15 -1 O PHE C 10 N ILE A 14 SHEET 1 B 2 TYR B 9 ARG B 15 0 SHEET 2 B 2 TYR D 9 ARG D 15 -1 O PHE D 10 N ILE B 14 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000