HEADER MEMBRANE PROTEIN 11-DEC-17 6BUT TITLE SOLUTION STRUCTURE OF FULL-LENGTH APO MAMMALIAN CALMODULIN BOUND TO TITLE 2 THE IQ MOTIF OF THE HUMAN VOLTAGE-GATED SODIUM CHANNEL NAV1.2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN-1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: SODIUM CHANNEL PROTEIN TYPE 2 SUBUNIT ALPHA; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: HBSC II,SODIUM CHANNEL PROTEIN BRAIN II SUBUNIT ALPHA,SODIUM COMPND 9 CHANNEL PROTEIN TYPE II SUBUNIT ALPHA,VOLTAGE-GATED SODIUM CHANNEL COMPND 10 SUBUNIT ALPHA NAV1.2; COMPND 11 ENGINEERED: YES; COMPND 12 OTHER_DETAILS: FIRST FOUR RESIDUES (GPGS) ARE PART OF A 3C PROTEASE COMPND 13 CLEAVAGE SITE, AND IN THE DEPOSIT HAVE BEEN NUMBERED -4 TO -1. NAV1.2 COMPND 14 RESIDUE 1901 IS RESIDUE 5 OF THE PEPTIDE. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CALM1, CALM, CAM, CAM1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PT7-7; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: SCN2A, NAC2, SCN2A1, SCN2A2; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PBG101 KEYWDS CALCIUM-BINDING PROTEIN, METAL TRANSPORT ION CHANNEL NEURONAL KEYWDS 2 MOLECULAR RECOGNITION, MEMBRANE PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR R.MAHLING,A.M.KILPATRICK,M.A.SHEA REVDAT 3 21-APR-21 6BUT 1 JRNL REVDAT 2 18-DEC-19 6BUT 1 REMARK REVDAT 1 19-JUN-19 6BUT 0 JRNL AUTH R.MAHLING,L.HOVEY,H.M.ISBELL,D.C.MARX,M.S.MILLER, JRNL AUTH 2 A.M.KILPATRICK,L.D.WEAVER,J.B.YODER,E.H.KIM,C.N.J.ANDRESEN, JRNL AUTH 3 S.LI,M.A.SHEA JRNL TITL NA V 1.2 EFL DOMAIN ALLOSTERICALLY ENHANCES CA 2+ BINDING TO JRNL TITL 2 SITES I AND II OF WT AND PATHOGENIC CALMODULIN MUTANTS BOUND JRNL TITL 3 TO THE CHANNEL CTD. JRNL REF STRUCTURE 2021 JRNL REFN ISSN 0969-2126 JRNL PMID 33770503 JRNL DOI 10.1016/J.STR.2021.03.002 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.MAHLING,A.M.KILPATRICK,M.A.SHEA REMARK 1 TITL BACKBONE RESONANCE ASSIGNMENTS OF COMPLEXES OF HUMAN REMARK 1 TITL 2 VOLTAGE-DEPENDENT SODIUM CHANNEL NAV1.2 IQ MOTIF PEPTIDE REMARK 1 TITL 3 BOUND TO APO CALMODULIN AND TO THE C-DOMAIN FRAGMENT OF APO REMARK 1 TITL 4 CALMODULIN. REMARK 1 REF BIOMOL NMR ASSIGN V. 11 297 2017 REMARK 1 REFN ESSN 1874-270X REMARK 1 PMID 28823028 REMARK 1 DOI 10.1007/S12104-017-9767-2 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER AMBERTOOLS 17 REMARK 3 AUTHORS : CASE, DARDEN, CHEATHAM III, SIMMERLING, WANG, REMARK 3 DUKE, LUO, ... AND KOLLMAN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6BUT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-17. REMARK 100 THE DEPOSITION ID IS D_1000231214. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 298 REMARK 210 PH : 6.5; 6.5 REMARK 210 IONIC STRENGTH : 100; 100 REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 0.950 MM U-99% C13, U-99% N15 REMARK 210 CALMODULIN, 0.950 MM U-99% C13, REMARK 210 U-99% N15 VOLTAGE-GATED SODIUM REMARK 210 CHANNEL NAV1.2 IQ MOTIF, 0.1 MM REMARK 210 U-98% 2H EDTA, 100 MM KCL, 10 MM REMARK 210 [U-99% 2H] IMIDAZOLE, 0.01 % W/V REMARK 210 SODIUM AZIDE, 90% H2O/10% D2O; REMARK 210 0.95 MM U-99% C13, U-99% N15 REMARK 210 CALMODULIN, 0.95 MM U-99% C13, U- REMARK 210 99% N15 VOLTAGE-GATED SODIUM REMARK 210 CHANNEL NAV1.2 IQ MOTIF, 0.1 MM REMARK 210 U-98% 2H EDTA, 100 MM POTASSIUM REMARK 210 CHLORIDE, 10 MM [U-99% 2H] REMARK 210 IMIDAZOLE, 0.01 % W/V SODIUM REMARK 210 AZIDE, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D HNCACB; 3D REMARK 210 CBCA(CO)NH; 3D HNCO; 3D HACACO; REMARK 210 3D C(CO)NH; 3D H(CCO)NH; 2D 1H- REMARK 210 13C HMQC; 3D HCCH-TOCSY; 3D 1H- REMARK 210 13C NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 500 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : INOVA; AVANCE II REMARK 210 SPECTROMETER MANUFACTURER : VARIAN; BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR, TOPSPIN, NMRPIPE, ANALYSIS REMARK 210 2.4, CYANA 2.1 REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 40 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: 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: 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 74 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 1 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 1 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 1 ARG B1917 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 2 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 2 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 3 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 3 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 3 ARG A 126 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 3 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 3 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 3 ARG B1917 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 4 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 4 ARG A 126 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 4 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 4 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 4 ARG B1918 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 5 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 5 ARG A 126 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 5 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 5 ARG B1918 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 6 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 6 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 6 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 7 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 8 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 8 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 8 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 8 ARG B1918 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 9 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 9 ARG A 90 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 9 ARG A 90 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 9 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 9 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 9 ARG B1917 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 10 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 10 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 10 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 10 ARG B1918 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 11 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 11 ARG A 126 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 11 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 11 ARG B1914 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 12 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 12 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 12 ARG A 126 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 12 ARG B1902 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 13 ARG A 37 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 13 ARG A 86 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 13 ARG A 106 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 81 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 ASP A 56 45.31 -104.38 REMARK 500 1 ASP A 80 19.56 -155.78 REMARK 500 1 LYS A 115 129.57 64.20 REMARK 500 1 ASP A 131 -2.48 -147.42 REMARK 500 1 LYS B1901 11.50 -155.49 REMARK 500 2 LYS A 115 99.95 56.88 REMARK 500 3 ASP A 56 46.27 -141.52 REMARK 500 3 LYS A 115 103.18 60.08 REMARK 500 4 LYS A 77 39.87 -77.75 REMARK 500 4 ASP A 95 9.17 -150.64 REMARK 500 4 LYS A 115 97.83 53.91 REMARK 500 5 ASN A 42 77.05 -159.76 REMARK 500 5 LYS A 77 42.61 -80.00 REMARK 500 5 ASP A 80 31.15 -82.59 REMARK 500 5 SER A 81 78.21 58.36 REMARK 500 5 ASP A 93 71.21 -68.79 REMARK 500 5 LYS A 115 111.47 -13.53 REMARK 500 6 ASP A 22 9.94 -158.25 REMARK 500 6 LYS A 77 45.10 -85.35 REMARK 500 6 GLU A 114 23.20 -75.97 REMARK 500 6 LYS A 115 100.55 24.91 REMARK 500 6 ASP A 131 4.06 -155.89 REMARK 500 6 SER B -1 -177.34 57.58 REMARK 500 7 ASP A 56 49.07 -102.47 REMARK 500 7 SER A 81 105.32 56.90 REMARK 500 7 LYS A 115 107.59 36.04 REMARK 500 7 VAL B1925 37.89 -76.71 REMARK 500 8 ASN A 42 79.70 -159.71 REMARK 500 8 ASP A 56 31.25 -90.87 REMARK 500 8 LYS A 115 134.26 61.50 REMARK 500 9 ASP A 95 6.69 -154.90 REMARK 500 9 LYS A 115 119.60 60.55 REMARK 500 10 LYS A 115 107.55 64.82 REMARK 500 10 LYS B1901 -36.08 -143.01 REMARK 500 11 ASP A 22 -10.47 -142.33 REMARK 500 11 ASP A 56 52.48 -140.04 REMARK 500 11 ASP A 80 31.61 -72.08 REMARK 500 11 LYS A 115 103.70 39.88 REMARK 500 11 ASP A 131 -5.64 -143.52 REMARK 500 11 SER B -1 -165.73 -77.99 REMARK 500 12 ASP A 56 51.16 -118.23 REMARK 500 12 ASP A 95 4.95 -153.85 REMARK 500 12 GLU A 114 49.20 -78.10 REMARK 500 12 LYS A 115 108.10 -4.47 REMARK 500 12 SER B -1 31.20 -72.73 REMARK 500 12 LYS B1901 -7.34 -155.49 REMARK 500 13 ASN A 42 77.37 -114.44 REMARK 500 13 ASP A 56 48.43 -95.66 REMARK 500 13 LYS A 75 36.37 -74.50 REMARK 500 13 LYS A 77 -23.36 53.60 REMARK 500 REMARK 500 THIS ENTRY HAS 81 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 TYR A 99 0.06 SIDE CHAIN REMARK 500 3 TYR A 99 0.07 SIDE CHAIN REMARK 500 4 TYR A 99 0.08 SIDE CHAIN REMARK 500 9 TYR A 99 0.07 SIDE CHAIN REMARK 500 10 TYR A 99 0.07 SIDE CHAIN REMARK 500 13 TYR A 99 0.06 SIDE CHAIN REMARK 500 13 ARG B1917 0.10 SIDE CHAIN REMARK 500 14 TYR A 99 0.07 SIDE CHAIN REMARK 500 15 TYR A 99 0.07 SIDE CHAIN REMARK 500 16 TYR A 99 0.06 SIDE CHAIN REMARK 500 16 TYR A 138 0.07 SIDE CHAIN REMARK 500 19 TYR A 99 0.08 SIDE CHAIN REMARK 500 20 TYR A 99 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 27094 RELATED DB: BMRB REMARK 900 RELATED ID: 27095 RELATED DB: BMRB DBREF 6BUT A 1 148 UNP P0DP23 CALM1_HUMAN 2 149 DBREF 6BUT B 1901 1927 UNP Q99250 SCN2A_HUMAN 1901 1927 SEQADV 6BUT GLY B -4 UNP Q99250 EXPRESSION TAG SEQADV 6BUT PRO B -3 UNP Q99250 EXPRESSION TAG SEQADV 6BUT GLY B -2 UNP Q99250 EXPRESSION TAG SEQADV 6BUT SER B -1 UNP Q99250 EXPRESSION TAG SEQRES 1 A 148 ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS SEQRES 2 A 148 GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR SEQRES 3 A 148 ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU SEQRES 4 A 148 GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE SEQRES 5 A 148 ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE SEQRES 6 A 148 PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP SEQRES 7 A 148 THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL SEQRES 8 A 148 PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU SEQRES 9 A 148 LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR SEQRES 10 A 148 ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE SEQRES 11 A 148 ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN SEQRES 12 A 148 MET MET THR ALA LYS SEQRES 1 B 31 GLY PRO GLY SER LYS ARG LYS GLN GLU GLU VAL SER ALA SEQRES 2 B 31 ILE ILE ILE GLN ARG ALA TYR ARG ARG TYR LEU LEU LYS SEQRES 3 B 31 GLN LYS VAL LYS LYS HELIX 1 AA1 THR A 5 LEU A 18 1 14 HELIX 2 AA2 GLU A 31 LEU A 39 1 9 HELIX 3 AA3 THR A 44 ASP A 56 1 13 HELIX 4 AA4 PHE A 65 ASP A 78 1 14 HELIX 5 AA5 SER A 81 ASP A 93 1 13 HELIX 6 AA6 ALA A 102 LEU A 112 1 11 HELIX 7 AA7 THR A 117 ASP A 129 1 13 HELIX 8 AA8 ASN A 137 ALA A 147 1 11 HELIX 9 AA9 LYS B 1901 LEU B 1921 1 21 HELIX 10 AB1 LYS B 1922 VAL B 1925 5 4 SHEET 1 AA1 2 THR A 26 THR A 28 0 SHEET 2 AA1 2 THR A 62 ASP A 64 -1 O ILE A 63 N ILE A 27 SHEET 1 AA2 2 ILE A 100 SER A 101 0 SHEET 2 AA2 2 GLN A 135 VAL A 136 -1 O VAL A 136 N ILE A 100 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