HEADER VIRAL PROTEIN/RNA 12-JUN-96 1BIV TITLE BOVINE IMMUNODEFICIENCY VIRUS TAT-TAR COMPLEX, NMR, 5 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: TAR RNA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: TAT PEPTIDE; COMPND 7 CHAIN: B; COMPND 8 FRAGMENT: RESIDUES 65 - 81; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 OTHER_DETAILS: THE RNA WAS UNIFORMLY LABELLED WITH (13)C AND (15)N; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 ORGANISM_SCIENTIFIC: BOVINE IMMUNODEFICIENCY VIRUS; SOURCE 9 ORGANISM_TAXID: 11657 KEYWDS TAT-TAR, ARG-GUA INTERACTIONS, BUTTRESSING U(DOT)AU BASE TRIPLE, KEYWDS 2 GLYCINE AND ISOLEUCINE PACKING, PEPTIDE RNA RECOGNITION, RNA KEYWDS 3 BENDING, COMPLEX (RIBONUCLEIC ACID-PEPTIDE), VIRAL PROTEIN-RNA KEYWDS 4 COMPLEX EXPDTA SOLUTION NMR NUMMDL 5 AUTHOR X.YE,R.A.KUMAR,D.J.PATEL REVDAT 5 10-APR-24 1BIV 1 REMARK REVDAT 4 21-AUG-19 1BIV 1 COMPND SOURCE KEYWDS REMARK REVDAT 3 25-MAY-16 1BIV 1 SOURCE VERSN REVDAT 2 24-FEB-09 1BIV 1 VERSN REVDAT 1 23-DEC-96 1BIV 0 JRNL AUTH X.YE,R.A.KUMAR,D.J.PATEL JRNL TITL MOLECULAR RECOGNITION IN THE BOVINE IMMUNODEFICIENCY VIRUS JRNL TITL 2 TAT PEPTIDE-TAR RNA COMPLEX. JRNL REF CHEM.BIOL. V. 2 827 1995 JRNL REFN ISSN 1074-5521 JRNL PMID 8807816 JRNL DOI 10.1016/1074-5521(95)90089-6 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESTRAINED MOLECULAR DYNAMICS REMARK 3 CALCULATIONS WERE PERFORMED ON THE TAT-TAR COMPLEX WITH A REMARK 3 SIMULATED ANNEALING PROTOCOL IN VACUUM WITH A DISTANCE-DEPENDENT REMARK 3 DIELECTRIC CONSTANT. REMARK 4 REMARK 4 1BIV COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171810. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CURVES REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 5 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 5 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH ACCEPTABLE REMARK 210 COVALENT GEOMETRY AND LEAST REMARK 210 RESTRAINT VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL 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: DIMERIC 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 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 OP2 G A 5 HZ3 LYS B 75 1.49 REMARK 500 OP1 A A 21 HH21 ARG B 78 1.52 REMARK 500 OP2 G A 9 HH12 ARG B 81 1.52 REMARK 500 OP2 A A 21 HH21 ARG B 80 1.53 REMARK 500 OP2 G A 4 HZ2 LYS B 75 1.56 REMARK 500 OP2 G A 22 HH11 ARG B 78 1.57 REMARK 500 O4 U A 10 H62 A A 13 1.57 REMARK 500 OP2 U A 24 HZ1 LYS B 75 1.59 REMARK 500 REMARK 500 REMARK: NULL 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 1 G A 5 N9 G A 5 C4 0.066 REMARK 500 1 C A 6 N1 C A 6 C2 0.068 REMARK 500 1 C A 6 N1 C A 6 C6 0.038 REMARK 500 1 U A 7 N1 U A 7 C2 0.077 REMARK 500 1 U A 7 C2 U A 7 N3 0.052 REMARK 500 1 C A 8 O3' G A 9 P -0.074 REMARK 500 1 G A 9 N7 G A 9 C8 0.036 REMARK 500 1 U A 10 N1 U A 10 C2 0.077 REMARK 500 1 G A 11 N9 G A 11 C4 0.058 REMARK 500 1 A A 13 N9 A A 13 C4 0.044 REMARK 500 1 U A 16 C5' U A 16 C4' 0.076 REMARK 500 1 U A 16 N1 U A 16 C2 0.071 REMARK 500 1 G A 22 C5' G A 22 C4' 0.073 REMARK 500 1 G A 22 N9 G A 22 C4 0.057 REMARK 500 1 C A 25 N1 C A 25 C6 0.040 REMARK 500 2 C A 6 N1 C A 6 C6 0.051 REMARK 500 2 U A 7 N1 U A 7 C2 0.075 REMARK 500 2 G A 9 N7 G A 9 C8 0.061 REMARK 500 2 G A 14 C2 G A 14 N3 0.054 REMARK 500 2 G A 14 N9 G A 14 C4 0.057 REMARK 500 2 U A 19 C5' U A 19 C4' 0.084 REMARK 500 2 U A 19 N1 U A 19 C2 0.077 REMARK 500 2 U A 20 N1 U A 20 C2 0.081 REMARK 500 2 U A 24 C2 U A 24 N3 0.058 REMARK 500 2 C A 25 N1 C A 25 C2 0.063 REMARK 500 2 C A 25 N1 C A 25 C6 0.038 REMARK 500 2 G A 29 C5' G A 29 C4' 0.073 REMARK 500 3 C A 6 N1 C A 6 C6 0.045 REMARK 500 3 U A 7 N1 U A 7 C2 0.057 REMARK 500 3 G A 9 N7 G A 9 C8 0.043 REMARK 500 3 U A 12 N1 U A 12 C2 0.054 REMARK 500 3 A A 13 N9 A A 13 C4 0.044 REMARK 500 3 G A 14 C2 G A 14 N3 0.071 REMARK 500 3 G A 14 N9 G A 14 C4 0.062 REMARK 500 3 C A 15 N1 C A 15 C6 0.039 REMARK 500 3 U A 16 N1 U A 16 C2 0.082 REMARK 500 3 C A 17 N1 C A 17 C2 0.072 REMARK 500 3 U A 19 C5' U A 19 C4' 0.080 REMARK 500 3 U A 19 N1 U A 19 C2 0.082 REMARK 500 3 G A 22 C2 G A 22 N3 0.053 REMARK 500 3 G A 22 N9 G A 22 C4 0.056 REMARK 500 3 U A 24 N1 U A 24 C2 0.058 REMARK 500 3 G A 29 N9 G A 29 C4 0.052 REMARK 500 4 G A 9 N7 G A 9 C8 0.067 REMARK 500 4 U A 10 N1 U A 10 C2 0.064 REMARK 500 4 A A 13 N9 A A 13 C4 0.036 REMARK 500 4 G A 14 N9 G A 14 C4 0.052 REMARK 500 4 U A 19 N1 U A 19 C2 0.074 REMARK 500 4 U A 20 N1 U A 20 C2 0.061 REMARK 500 4 G A 22 N1 G A 22 C2 0.050 REMARK 500 REMARK 500 THIS ENTRY HAS 66 BOND DEVIATIONS. 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 1 G A 4 O5' - P - OP1 ANGL. DEV. = 7.5 DEGREES REMARK 500 1 G A 4 N3 - C2 - N2 ANGL. DEV. = 5.1 DEGREES REMARK 500 1 G A 5 N3 - C4 - C5 ANGL. DEV. = -3.3 DEGREES REMARK 500 1 G A 5 N1 - C2 - N2 ANGL. DEV. = -6.2 DEGREES REMARK 500 1 G A 5 N3 - C2 - N2 ANGL. DEV. = 7.9 DEGREES REMARK 500 1 C A 6 N1 - C1' - C2' ANGL. DEV. = 8.3 DEGREES REMARK 500 1 C A 6 C6 - N1 - C2 ANGL. DEV. = -3.5 DEGREES REMARK 500 1 C A 6 N1 - C2 - O2 ANGL. DEV. = 4.1 DEGREES REMARK 500 1 C A 8 C6 - N1 - C2 ANGL. DEV. = -2.8 DEGREES REMARK 500 1 C A 8 N3 - C4 - N4 ANGL. DEV. = 5.5 DEGREES REMARK 500 1 C A 8 C5 - C4 - N4 ANGL. DEV. = -5.5 DEGREES REMARK 500 1 G A 9 N1 - C2 - N3 ANGL. DEV. = -3.6 DEGREES REMARK 500 1 G A 9 C2 - N3 - C4 ANGL. DEV. = 3.8 DEGREES REMARK 500 1 G A 9 C3' - O3' - P ANGL. DEV. = 10.4 DEGREES REMARK 500 1 U A 10 N1 - C1' - C2' ANGL. DEV. = 9.8 DEGREES REMARK 500 1 U A 10 O4' - C1' - N1 ANGL. DEV. = -7.1 DEGREES REMARK 500 1 U A 10 C3' - O3' - P ANGL. DEV. = 8.6 DEGREES REMARK 500 1 G A 11 N1 - C2 - N3 ANGL. DEV. = -3.9 DEGREES REMARK 500 1 G A 11 C2 - N3 - C4 ANGL. DEV. = 3.4 DEGREES REMARK 500 1 G A 11 N3 - C4 - N9 ANGL. DEV. = 3.9 DEGREES REMARK 500 1 G A 11 N3 - C2 - N2 ANGL. DEV. = 5.8 DEGREES REMARK 500 1 G A 11 C5 - C6 - O6 ANGL. DEV. = -4.8 DEGREES REMARK 500 1 G A 14 N9 - C1' - C2' ANGL. DEV. = 11.1 DEGREES REMARK 500 1 G A 14 N1 - C2 - N3 ANGL. DEV. = -4.3 DEGREES REMARK 500 1 G A 14 C2 - N3 - C4 ANGL. DEV. = 3.9 DEGREES REMARK 500 1 G A 14 C5 - C6 - N1 ANGL. DEV. = 3.0 DEGREES REMARK 500 1 G A 14 N3 - C2 - N2 ANGL. DEV. = 7.8 DEGREES REMARK 500 1 G A 14 C3' - O3' - P ANGL. DEV. = 7.7 DEGREES REMARK 500 1 C A 15 C6 - N1 - C2 ANGL. DEV. = -2.6 DEGREES REMARK 500 1 C A 17 P - O5' - C5' ANGL. DEV. = 12.4 DEGREES REMARK 500 1 C A 17 O4' - C1' - N1 ANGL. DEV. = -6.2 DEGREES REMARK 500 1 C A 17 C6 - N1 - C2 ANGL. DEV. = -3.0 DEGREES REMARK 500 1 C A 17 N1 - C2 - O2 ANGL. DEV. = 4.8 DEGREES REMARK 500 1 C A 17 N3 - C2 - O2 ANGL. DEV. = -5.2 DEGREES REMARK 500 1 C A 17 C3' - O3' - P ANGL. DEV. = 14.7 DEGREES REMARK 500 1 A A 18 C3' - C2' - C1' ANGL. DEV. = 6.9 DEGREES REMARK 500 1 A A 18 N9 - C1' - C2' ANGL. DEV. = -10.6 DEGREES REMARK 500 1 A A 18 C2 - N3 - C4 ANGL. DEV. = 3.2 DEGREES REMARK 500 1 U A 19 C3' - O3' - P ANGL. DEV. = 12.2 DEGREES REMARK 500 1 U A 20 C3' - C2' - C1' ANGL. DEV. = 6.6 DEGREES REMARK 500 1 U A 20 C3' - O3' - P ANGL. DEV. = 12.8 DEGREES REMARK 500 1 A A 21 N7 - C8 - N9 ANGL. DEV. = -3.7 DEGREES REMARK 500 1 A A 21 C8 - N9 - C4 ANGL. DEV. = 3.9 DEGREES REMARK 500 1 A A 21 N9 - C4 - C5 ANGL. DEV. = -2.4 DEGREES REMARK 500 1 A A 21 C3' - O3' - P ANGL. DEV. = 11.5 DEGREES REMARK 500 1 G A 22 C2 - N3 - C4 ANGL. DEV. = 3.4 DEGREES REMARK 500 1 G A 22 N3 - C4 - C5 ANGL. DEV. = -3.4 DEGREES REMARK 500 1 G A 22 N3 - C4 - N9 ANGL. DEV. = 3.7 DEGREES REMARK 500 1 C A 23 N1 - C2 - O2 ANGL. DEV. = 5.9 DEGREES REMARK 500 1 C A 23 N3 - C2 - O2 ANGL. DEV. = -4.7 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 380 ANGLE DEVIATIONS. 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 PRO B 69 -149.52 -64.94 REMARK 500 1 ARG B 73 42.61 -101.32 REMARK 500 1 ARG B 77 57.09 -63.04 REMARK 500 1 ARG B 80 71.24 86.13 REMARK 500 2 ARG B 70 131.04 25.06 REMARK 500 2 LYS B 75 81.33 89.03 REMARK 500 2 ARG B 77 46.64 -66.35 REMARK 500 2 ARG B 80 65.36 103.27 REMARK 500 4 ARG B 77 60.99 -48.15 REMARK 500 4 ARG B 80 74.76 78.47 REMARK 500 5 ARG B 70 131.19 -21.08 REMARK 500 5 LYS B 75 56.26 -48.83 REMARK 500 5 ARG B 77 69.12 -65.76 REMARK 500 5 ARG B 80 70.63 128.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 PRO B 67 ARG B 68 1 146.93 REMARK 500 GLY B 66 PRO B 67 2 148.91 REMARK 500 ARG B 68 PRO B 69 3 146.01 REMARK 500 GLY B 66 PRO B 67 4 148.40 REMARK 500 ARG B 68 PRO B 69 4 148.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG B 73 0.12 SIDE CHAIN REMARK 500 1 ARG B 80 0.14 SIDE CHAIN REMARK 500 2 ARG B 78 0.11 SIDE CHAIN REMARK 500 2 ARG B 80 0.11 SIDE CHAIN REMARK 500 2 ARG B 81 0.23 SIDE CHAIN REMARK 500 3 ARG B 68 0.29 SIDE CHAIN REMARK 500 3 ARG B 73 0.09 SIDE CHAIN REMARK 500 3 ARG B 77 0.12 SIDE CHAIN REMARK 500 3 ARG B 80 0.11 SIDE CHAIN REMARK 500 3 ARG B 81 0.26 SIDE CHAIN REMARK 500 4 ARG B 73 0.13 SIDE CHAIN REMARK 500 4 ARG B 78 0.08 SIDE CHAIN REMARK 500 5 ARG B 68 0.30 SIDE CHAIN REMARK 500 5 ARG B 73 0.13 SIDE CHAIN REMARK 500 5 ARG B 78 0.11 SIDE CHAIN REMARK 500 5 ARG B 80 0.28 SIDE CHAIN REMARK 500 5 ARG B 81 0.19 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 1BIV B 65 81 UNP P19564 TAT_BIV06 65 81 DBREF 1BIV A 4 31 PDB 1BIV 1BIV 4 31 SEQRES 1 A 28 G G C U C G U G U A G C U SEQRES 2 A 28 C A U U A G C U C C G A G SEQRES 3 A 28 C C SEQRES 1 B 17 SER GLY PRO ARG PRO ARG GLY THR ARG GLY LYS GLY ARG SEQRES 2 B 17 ARG ILE ARG ARG 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 MODEL 1