HEADER TOXIN 27-JUL-99 1C2U TITLE SOLUTION STRUCTURE OF [ABU3,35]SHK12-28,17-32 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SYNTHETIC PEPTIDE ANALOGUE OF SHK TOXIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE SOURCE 4 OF THIS PEPTIDE IS NATURALLY FOUND IN STICHODACTYLA HELIANTHUS. KEYWDS SHK TOXIN, POTASSIUM CHANNEL, DISULPHIDE BONDS, ANALOGUES, STRUCTURE- KEYWDS 2 FUNCTION, SOLUTION STRUCTURE, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.W.PENNINGTON,M.D.LANIGAN,K.KALMAN,V.M.MANHIR,H.RAUER,C.T.MCVAUGH, AUTHOR 2 D.BEHM,D.DONALDSON,K.G.CHANDY,W.R.KEM,R.S.NORTON REVDAT 4 03-NOV-21 1C2U 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1C2U 1 VERSN REVDAT 2 01-APR-03 1C2U 1 JRNL REVDAT 1 10-NOV-99 1C2U 0 JRNL AUTH M.W.PENNINGTON,M.D.LANIGAN,K.KALMAN,V.M.MAHNIR,H.RAUER, JRNL AUTH 2 C.T.MCVAUGH,D.BEHM,D.DONALDSON,K.G.CHANDY,W.R.KEM,R.S.NORTON JRNL TITL ROLE OF DISULFIDE BONDS IN THE STRUCTURE AND POTASSIUM JRNL TITL 2 CHANNEL BLOCKING ACTIVITY OF SHK TOXIN. JRNL REF BIOCHEMISTRY V. 38 14549 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10545177 JRNL DOI 10.1021/BI991282M REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 2.1, X-PLOR 1.3, CHARMM 19 REMARK 3 AUTHORS : BRUKER (XWINNMR), BRUNGER (X-PLOR), BROOKS REMARK 3 (CHARMM) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON 328 NOE REMARK 3 -DERIVED DISTANCE CONSTRAINTS AND 26 DIHEDRAL ANGLE RESTRAINTS REMARK 4 REMARK 4 1C2U COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000009409. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293.0 REMARK 210 PH : 5.0 REMARK 210 IONIC STRENGTH : 5.6 MM PEPTIDE REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 5.6 MM [ABU3,35]SHK12-28,17-32; REMARK 210 90% H2O, 10% D2O (V/V) REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D-TOCSY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : DRX; AMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XEASY 1.3.7, DYANA 1.4 REMARK 210 METHOD USED : THE STRUCTURES WERE REFINED REMARK 210 USING DISTANCE GEOMETRY, REMARK 210 SIMULATED ANNEALING AND REMARK 210 MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES. 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: 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 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 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 2 HIS A 19 NE2 HIS A 19 CD2 -0.068 REMARK 500 3 HIS A 19 NE2 HIS A 19 CD2 -0.068 REMARK 500 4 HIS A 19 NE2 HIS A 19 CD2 -0.071 REMARK 500 5 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 6 HIS A 19 NE2 HIS A 19 CD2 -0.071 REMARK 500 7 HIS A 19 NE2 HIS A 19 CD2 -0.069 REMARK 500 8 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 9 HIS A 19 NE2 HIS A 19 CD2 -0.071 REMARK 500 10 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 11 HIS A 19 NE2 HIS A 19 CD2 -0.068 REMARK 500 12 HIS A 19 NE2 HIS A 19 CD2 -0.069 REMARK 500 13 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 14 HIS A 19 NE2 HIS A 19 CD2 -0.072 REMARK 500 15 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 16 HIS A 19 NE2 HIS A 19 CD2 -0.071 REMARK 500 17 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 18 HIS A 19 NE2 HIS A 19 CD2 -0.070 REMARK 500 19 HIS A 19 NE2 HIS A 19 CD2 -0.069 REMARK 500 20 HIS A 19 NE2 HIS A 19 CD2 -0.073 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 ARG A 11 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 1 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 1 ARG A 29 NH1 - CZ - NH2 ANGL. DEV. = 8.2 DEGREES REMARK 500 1 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -4.3 DEGREES REMARK 500 1 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 2 ARG A 24 NE - CZ - NH1 ANGL. DEV. = -4.8 DEGREES REMARK 500 2 CYS A 32 CA - CB - SG ANGL. DEV. = 7.3 DEGREES REMARK 500 3 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 4 ARG A 11 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 4 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 5 ARG A 1 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 5 ARG A 24 NH1 - CZ - NH2 ANGL. DEV. = 7.2 DEGREES REMARK 500 5 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -4.6 DEGREES REMARK 500 5 CYS A 28 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 6 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -3.7 DEGREES REMARK 500 7 ARG A 11 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 7 ARG A 24 NE - CZ - NH1 ANGL. DEV. = -3.7 DEGREES REMARK 500 7 CYS A 28 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 7 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 8 CYS A 28 CA - CB - SG ANGL. DEV. = 7.5 DEGREES REMARK 500 8 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -4.6 DEGREES REMARK 500 9 ARG A 1 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 9 ARG A 11 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 9 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 10 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 10 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -3.5 DEGREES REMARK 500 11 ARG A 1 NE - CZ - NH1 ANGL. DEV. = -3.0 DEGREES REMARK 500 11 ARG A 11 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 11 CYS A 28 CA - CB - SG ANGL. DEV. = 10.6 DEGREES REMARK 500 11 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -3.6 DEGREES REMARK 500 12 ARG A 11 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 12 ARG A 24 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 12 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 13 ARG A 1 NE - CZ - NH1 ANGL. DEV. = -3.2 DEGREES REMARK 500 13 ARG A 11 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 13 CYS A 28 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 13 ARG A 29 NH1 - CZ - NH2 ANGL. DEV. = 7.3 DEGREES REMARK 500 13 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 13 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 14 ARG A 11 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 14 CYS A 28 CA - CB - SG ANGL. DEV. = 8.6 DEGREES REMARK 500 14 ARG A 29 NE - CZ - NH1 ANGL. DEV. = -4.4 DEGREES REMARK 500 15 ARG A 24 NH1 - CZ - NH2 ANGL. DEV. = 7.1 DEGREES REMARK 500 15 ARG A 24 NE - CZ - NH1 ANGL. DEV. = -4.7 DEGREES REMARK 500 15 CYS A 28 CA - CB - SG ANGL. DEV. = 11.3 DEGREES REMARK 500 15 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 16 ARG A 24 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 16 CYS A 28 CA - CB - SG ANGL. DEV. = 9.6 DEGREES REMARK 500 16 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 17 ARG A 11 NE - CZ - NH1 ANGL. DEV. = -3.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 65 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 ABA A 3 170.67 -52.00 REMARK 500 1 ASP A 5 -126.03 -146.29 REMARK 500 1 THR A 6 -24.84 -33.41 REMARK 500 1 PRO A 8 66.54 -40.34 REMARK 500 1 LYS A 9 66.02 -18.80 REMARK 500 1 SER A 10 -101.67 -144.14 REMARK 500 1 GLN A 16 -66.97 -151.50 REMARK 500 1 CYS A 17 -44.56 -29.57 REMARK 500 1 LYS A 18 71.22 -172.21 REMARK 500 1 HIS A 19 -84.44 -29.56 REMARK 500 1 ALA A 21 -12.47 179.72 REMARK 500 1 LEU A 25 -79.06 -90.78 REMARK 500 1 SER A 26 -43.81 178.71 REMARK 500 1 PHE A 27 -64.50 -159.77 REMARK 500 1 ARG A 29 -89.62 -176.55 REMARK 500 2 SER A 2 -165.49 -121.31 REMARK 500 2 ABA A 3 -166.44 -101.09 REMARK 500 2 ILE A 4 -120.80 -111.39 REMARK 500 2 PRO A 8 83.58 -57.48 REMARK 500 2 SER A 10 -123.10 -121.39 REMARK 500 2 GLN A 16 -52.03 -158.30 REMARK 500 2 CYS A 17 -55.74 -29.86 REMARK 500 2 LYS A 18 77.87 -168.61 REMARK 500 2 HIS A 19 -87.84 -29.92 REMARK 500 2 SER A 20 77.00 -68.24 REMARK 500 2 ALA A 21 -12.80 179.80 REMARK 500 2 LEU A 25 -74.07 -91.50 REMARK 500 2 SER A 26 -50.85 178.01 REMARK 500 2 PHE A 27 -63.28 -161.08 REMARK 500 2 ARG A 29 -56.40 -166.91 REMARK 500 2 LYS A 30 -79.22 -66.25 REMARK 500 2 THR A 34 -75.04 -100.83 REMARK 500 3 ABA A 3 155.53 -47.55 REMARK 500 3 ILE A 4 -92.45 -113.30 REMARK 500 3 ASP A 5 -105.58 -120.19 REMARK 500 3 THR A 6 1.25 -56.76 REMARK 500 3 LYS A 9 73.02 -68.55 REMARK 500 3 SER A 10 -109.52 -147.79 REMARK 500 3 GLN A 16 -60.28 -157.34 REMARK 500 3 LYS A 18 75.21 -174.05 REMARK 500 3 HIS A 19 -94.21 -28.80 REMARK 500 3 SER A 20 34.71 -69.17 REMARK 500 3 SER A 26 -67.56 177.85 REMARK 500 3 PHE A 27 -52.11 -157.09 REMARK 500 3 ARG A 29 -88.54 -167.75 REMARK 500 3 THR A 34 -78.41 -102.27 REMARK 500 4 SER A 2 -150.53 -70.79 REMARK 500 4 ILE A 4 -120.96 -114.65 REMARK 500 4 THR A 6 -121.78 -100.80 REMARK 500 4 SER A 10 -107.87 -119.88 REMARK 500 REMARK 500 THIS ENTRY HAS 300 RAMACHANDRAN OUTLIERS. 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 A 1 0.30 SIDE CHAIN REMARK 500 1 ARG A 11 0.28 SIDE CHAIN REMARK 500 1 ARG A 24 0.32 SIDE CHAIN REMARK 500 1 ARG A 29 0.27 SIDE CHAIN REMARK 500 2 ARG A 1 0.32 SIDE CHAIN REMARK 500 2 ARG A 24 0.32 SIDE CHAIN REMARK 500 2 ARG A 29 0.29 SIDE CHAIN REMARK 500 3 ARG A 1 0.32 SIDE CHAIN REMARK 500 3 ARG A 11 0.32 SIDE CHAIN REMARK 500 3 ARG A 24 0.32 SIDE CHAIN REMARK 500 3 ARG A 29 0.31 SIDE CHAIN REMARK 500 4 ARG A 1 0.27 SIDE CHAIN REMARK 500 4 ARG A 11 0.32 SIDE CHAIN REMARK 500 4 ARG A 24 0.30 SIDE CHAIN REMARK 500 4 ARG A 29 0.24 SIDE CHAIN REMARK 500 5 ARG A 1 0.32 SIDE CHAIN REMARK 500 5 ARG A 11 0.31 SIDE CHAIN REMARK 500 5 ARG A 24 0.32 SIDE CHAIN REMARK 500 5 ARG A 29 0.31 SIDE CHAIN REMARK 500 6 ARG A 1 0.32 SIDE CHAIN REMARK 500 6 ARG A 11 0.30 SIDE CHAIN REMARK 500 6 ARG A 24 0.19 SIDE CHAIN REMARK 500 6 ARG A 29 0.27 SIDE CHAIN REMARK 500 7 ARG A 1 0.32 SIDE CHAIN REMARK 500 7 ARG A 11 0.31 SIDE CHAIN REMARK 500 7 ARG A 24 0.32 SIDE CHAIN REMARK 500 7 ARG A 29 0.32 SIDE CHAIN REMARK 500 8 ARG A 1 0.28 SIDE CHAIN REMARK 500 8 ARG A 11 0.30 SIDE CHAIN REMARK 500 8 ARG A 24 0.18 SIDE CHAIN REMARK 500 8 ARG A 29 0.32 SIDE CHAIN REMARK 500 9 ARG A 1 0.33 SIDE CHAIN REMARK 500 9 ARG A 11 0.31 SIDE CHAIN REMARK 500 9 ARG A 24 0.28 SIDE CHAIN REMARK 500 9 ARG A 29 0.25 SIDE CHAIN REMARK 500 10 ARG A 1 0.32 SIDE CHAIN REMARK 500 10 ARG A 11 0.29 SIDE CHAIN REMARK 500 10 ARG A 24 0.30 SIDE CHAIN REMARK 500 10 ARG A 29 0.30 SIDE CHAIN REMARK 500 11 ARG A 1 0.32 SIDE CHAIN REMARK 500 11 ARG A 11 0.31 SIDE CHAIN REMARK 500 11 ARG A 24 0.12 SIDE CHAIN REMARK 500 11 ARG A 29 0.31 SIDE CHAIN REMARK 500 12 ARG A 1 0.32 SIDE CHAIN REMARK 500 12 ARG A 11 0.32 SIDE CHAIN REMARK 500 12 ARG A 24 0.32 SIDE CHAIN REMARK 500 12 ARG A 29 0.32 SIDE CHAIN REMARK 500 13 ARG A 1 0.32 SIDE CHAIN REMARK 500 13 ARG A 11 0.32 SIDE CHAIN REMARK 500 13 ARG A 29 0.32 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 78 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1C2U A 1 35 UNP P29187 TXSHK_STOHE 1 35 SEQADV 1C2U ABA A 3 UNP P29187 CYS 3 ENGINEERED MUTATION SEQADV 1C2U ALA A 21 UNP P29187 MET 21 ENGINEERED MUTATION SEQADV 1C2U ABA A 35 UNP P29187 CYS 35 ENGINEERED MUTATION SEQRES 1 A 35 ARG SER ABA ILE ASP THR ILE PRO LYS SER ARG CYS THR SEQRES 2 A 35 ALA PHE GLN CYS LYS HIS SER ALA LYS TYR ARG LEU SER SEQRES 3 A 35 PHE CYS ARG LYS THR CYS GLY THR ABA MODRES 1C2U ABA A 3 ALA ALPHA-AMINOBUTYRIC ACID MODRES 1C2U ABA A 35 ALA ALPHA-AMINOBUTYRIC ACID HET ABA A 3 13 HET ABA A 35 14 HETNAM ABA ALPHA-AMINOBUTYRIC ACID FORMUL 1 ABA 2(C4 H9 N O2) SSBOND 1 CYS A 12 CYS A 28 1555 1555 2.03 SSBOND 2 CYS A 17 CYS A 32 1555 1555 2.01 LINK C SER A 2 N ABA A 3 1555 1555 1.31 LINK C ABA A 3 N ILE A 4 1555 1555 1.31 LINK C THR A 34 N ABA A 35 1555 1555 1.31 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 MODEL 2 MODEL 3 MODEL 4 MODEL 5 MODEL 6 MODEL 7 MODEL 8 MODEL 9 MODEL 10 MODEL 11 MODEL 12 MODEL 13 MODEL 14 MODEL 15 MODEL 16 MODEL 17 MODEL 18 MODEL 19 MODEL 20