HEADER TRANSPORT PROTEIN 17-AUG-17 5Y7I TITLE STRUCTURE OF TILAPIA FISH CLIC2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHLORIDE INTRACELLULAR CHANNEL PROTEIN 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CLIC2; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: OREOCHROMIS MOSSAMBICUS; SOURCE 3 ORGANISM_TAXID: 8127; SOURCE 4 TISSUE: INTESTINE; SOURCE 5 GENE: CHLORIDE INTRACELLULAR CHANNEL PROTEIN 2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS GLUTATHIONE S-TRANSFERASE STRUCTURAL SUPERFAMILY, CHLORIDE CHANNEL KEYWDS 2 ACTIVITY, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.SWAMINATHAN,J.ZENG REVDAT 2 22-NOV-23 5Y7I 1 REMARK REVDAT 1 21-MAR-18 5Y7I 0 JRNL AUTH J.ZENG,Z.LI,E.Y.LUI,S.H.LAM,K.SWAMINATHAN JRNL TITL TILAPIA AND HUMAN CLIC2 STRUCTURES ARE HIGHLY CONSERVED. JRNL REF BIOCHEM. BIOPHYS. RES. V. 495 1752 2018 JRNL REF 2 COMMUN. JRNL REFN ESSN 1090-2104 JRNL PMID 29198705 JRNL DOI 10.1016/J.BBRC.2017.11.189 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1_2155 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.75 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.2 REMARK 3 NUMBER OF REFLECTIONS : 9822 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.229 REMARK 3 R VALUE (WORKING SET) : 0.227 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 511 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 37.7483 - 4.7598 0.91 2358 128 0.1839 0.2083 REMARK 3 2 4.7598 - 3.7792 0.92 2316 137 0.2181 0.2654 REMARK 3 3 3.7792 - 3.3018 0.94 2361 120 0.2733 0.3226 REMARK 3 4 3.3018 - 3.0000 0.92 2276 126 0.3744 0.4584 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.610 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.810 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.004 3898 REMARK 3 ANGLE : 0.714 5283 REMARK 3 CHIRALITY : 0.043 578 REMARK 3 PLANARITY : 0.009 691 REMARK 3 DIHEDRAL : 16.160 2391 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5Y7I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-AUG-17. REMARK 100 THE DEPOSITION ID IS D_1300004621. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-NOV-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL13B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9822 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 81.830 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 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) : 0.57500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 2R5G REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 24% (W/V) PEG 2000 MME, 100MM TRIS REMARK 280 BASE/ HYDROCHLORIC ACID PH 8.5, 220MM TRIMETHYLAMINE N-OXIDE, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 82.61500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.36500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 82.61500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.36500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 HIS A -9 REMARK 465 SER A -8 REMARK 465 SER A -7 REMARK 465 GLY A -6 REMARK 465 LEU A -5 REMARK 465 VAL A -4 REMARK 465 PRO A -3 REMARK 465 ARG A -2 REMARK 465 GLY A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 ALA A 3 REMARK 465 LEU A 4 REMARK 465 ARG A 5 REMARK 465 GLN A 6 REMARK 465 SER A 7 REMARK 465 SER A 8 REMARK 465 LYS A 243 REMARK 465 ARG A 244 REMARK 465 LYS A 245 REMARK 465 MET B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 HIS B -9 REMARK 465 SER B -8 REMARK 465 SER B -7 REMARK 465 GLY B -6 REMARK 465 LEU B -5 REMARK 465 VAL B -4 REMARK 465 PRO B -3 REMARK 465 ARG B -2 REMARK 465 GLY B -1 REMARK 465 SER B 0 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ALA B 3 REMARK 465 LEU B 4 REMARK 465 ARG B 5 REMARK 465 GLN B 6 REMARK 465 SER B 7 REMARK 465 SER B 8 REMARK 465 LYS B 245 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 OE2 GLU A 15 OG1 THR A 50 2.13 REMARK 500 OD1 ASP A 181 OH TYR A 213 2.15 REMARK 500 O LEU B 61 N ASP B 63 2.16 REMARK 500 OH TYR A 198 O GLU A 234 2.16 REMARK 500 OD1 ASN A 136 NH2 ARG A 139 2.19 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 HIS A 22 -127.98 63.52 REMARK 500 ASN A 26 -174.08 67.47 REMARK 500 LEU A 64 67.57 -109.93 REMARK 500 PRO A 66 -63.07 -90.08 REMARK 500 ASP A 82 94.98 62.88 REMARK 500 ALA A 114 -64.43 -129.42 REMARK 500 LYS A 125 100.21 -57.68 REMARK 500 ASN A 130 -86.92 13.21 REMARK 500 PRO A 153 1.53 -65.71 REMARK 500 ASP A 157 81.08 60.49 REMARK 500 PHE A 171 -162.41 -129.25 REMARK 500 ASP A 173 -60.84 -96.87 REMARK 500 HIS B 22 -67.01 9.36 REMARK 500 ASP B 23 2.69 -69.52 REMARK 500 ASN B 26 -170.46 69.70 REMARK 500 MET B 54 23.46 -76.23 REMARK 500 LEU B 61 -97.13 -90.10 REMARK 500 LYS B 62 -52.72 24.11 REMARK 500 LEU B 64 64.02 -112.02 REMARK 500 ASP B 82 94.23 63.34 REMARK 500 ALA B 114 -63.25 -128.50 REMARK 500 GLU B 155 23.04 -144.42 REMARK 500 ASP B 157 77.49 56.06 REMARK 500 ASP B 173 -60.13 -96.07 REMARK 500 LYS B 243 -169.04 60.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 SEQUENCE OF THE PROTEIN IS AVAILABLE AT GENBANK WITH ACCESSION REMARK 999 NUMBER SNU46334.1. DBREF 5Y7I A -15 245 PDB 5Y7I 5Y7I -15 245 DBREF 5Y7I B -15 245 PDB 5Y7I 5Y7I -15 245 SEQRES 1 A 261 MET HIS HIS HIS HIS HIS HIS SER SER GLY LEU VAL PRO SEQRES 2 A 261 ARG GLY SER MET ALA ALA LEU ARG GLN SER SER ASP LYS SEQRES 3 A 261 GLU PRO SER ILE GLU LEU PHE ILE LYS ALA GLY HIS ASP SEQRES 4 A 261 GLY GLU ASN VAL GLY ASN CYS PRO PHE CYS GLN ARG LEU SEQRES 5 A 261 PHE MET VAL LEU TRP LEU LYS GLY VAL LYS PHE THR VAL SEQRES 6 A 261 THR THR VAL ASP MET ARG LYS LYS PRO ALA GLU LEU LYS SEQRES 7 A 261 ASP LEU ALA PRO GLY THR ASN PRO PRO PHE LEU LEU TYR SEQRES 8 A 261 ASN GLY THR LEU LYS THR ASP PHE ILE LYS ILE GLU GLU SEQRES 9 A 261 PHE LEU GLU GLN THR LEU ALA PRO PRO ARG TYR PRO HIS SEQRES 10 A 261 LEU SER PRO VAL ASN LYS GLU SER PHE ASP VAL GLY ALA SEQRES 11 A 261 ASP ILE PHE ALA LYS PHE SER ALA PHE ILE LYS ASN SER SEQRES 12 A 261 PRO ASN ASN PRO LEU GLN GLU LYS ASN LEU LEU ARG GLU SEQRES 13 A 261 PHE LYS ARG LEU ASP ASP TYR LEU ASN SER PRO LEU PRO SEQRES 14 A 261 GLU GLU ILE ASP HIS ASN SER VAL GLU THR ILE THR VAL SEQRES 15 A 261 SER ASN ARG LYS PHE LEU ASP GLY ASP ARG LEU THR LEU SEQRES 16 A 261 ALA ASP CYS ASN LEU LEU PRO LYS LEU HIS VAL ILE ARG SEQRES 17 A 261 VAL ALA ALA LYS LYS TYR CYS ASN PHE GLU ILE PRO ASP SEQRES 18 A 261 HIS PHE THR GLY VAL TRP ARG TYR LEU LYS ASN ALA ASP SEQRES 19 A 261 GLU ARG ASP GLU PHE LYS GLN THR CYS PRO ALA ASP ILE SEQRES 20 A 261 GLU ILE GLU LYS ALA TYR LEU SER VAL ALA ASN LYS ARG SEQRES 21 A 261 LYS SEQRES 1 B 261 MET HIS HIS HIS HIS HIS HIS SER SER GLY LEU VAL PRO SEQRES 2 B 261 ARG GLY SER MET ALA ALA LEU ARG GLN SER SER ASP LYS SEQRES 3 B 261 GLU PRO SER ILE GLU LEU PHE ILE LYS ALA GLY HIS ASP SEQRES 4 B 261 GLY GLU ASN VAL GLY ASN CYS PRO PHE CYS GLN ARG LEU SEQRES 5 B 261 PHE MET VAL LEU TRP LEU LYS GLY VAL LYS PHE THR VAL SEQRES 6 B 261 THR THR VAL ASP MET ARG LYS LYS PRO ALA GLU LEU LYS SEQRES 7 B 261 ASP LEU ALA PRO GLY THR ASN PRO PRO PHE LEU LEU TYR SEQRES 8 B 261 ASN GLY THR LEU LYS THR ASP PHE ILE LYS ILE GLU GLU SEQRES 9 B 261 PHE LEU GLU GLN THR LEU ALA PRO PRO ARG TYR PRO HIS SEQRES 10 B 261 LEU SER PRO VAL ASN LYS GLU SER PHE ASP VAL GLY ALA SEQRES 11 B 261 ASP ILE PHE ALA LYS PHE SER ALA PHE ILE LYS ASN SER SEQRES 12 B 261 PRO ASN ASN PRO LEU GLN GLU LYS ASN LEU LEU ARG GLU SEQRES 13 B 261 PHE LYS ARG LEU ASP ASP TYR LEU ASN SER PRO LEU PRO SEQRES 14 B 261 GLU GLU ILE ASP HIS ASN SER VAL GLU THR ILE THR VAL SEQRES 15 B 261 SER ASN ARG LYS PHE LEU ASP GLY ASP ARG LEU THR LEU SEQRES 16 B 261 ALA ASP CYS ASN LEU LEU PRO LYS LEU HIS VAL ILE ARG SEQRES 17 B 261 VAL ALA ALA LYS LYS TYR CYS ASN PHE GLU ILE PRO ASP SEQRES 18 B 261 HIS PHE THR GLY VAL TRP ARG TYR LEU LYS ASN ALA ASP SEQRES 19 B 261 GLU ARG ASP GLU PHE LYS GLN THR CYS PRO ALA ASP ILE SEQRES 20 B 261 GLU ILE GLU LYS ALA TYR LEU SER VAL ALA ASN LYS ARG SEQRES 21 B 261 LYS HELIX 1 AA1 CYS A 30 GLY A 44 1 15 HELIX 2 AA2 PRO A 58 LYS A 62 5 5 HELIX 3 AA3 ASP A 82 LEU A 94 1 13 HELIX 4 AA4 ASN A 106 GLY A 113 1 8 HELIX 5 AA5 ASP A 115 LYS A 125 1 11 HELIX 6 AA6 ASN A 130 SER A 150 1 21 HELIX 7 AA7 THR A 178 ASN A 200 1 23 HELIX 8 AA8 PHE A 207 GLU A 219 1 13 HELIX 9 AA9 ARG A 220 GLN A 225 1 6 HELIX 10 AB1 ALA A 229 TYR A 237 1 9 HELIX 11 AB2 LEU A 238 ASN A 242 5 5 HELIX 12 AB3 CYS B 30 GLY B 44 1 15 HELIX 13 AB4 LEU B 61 ALA B 65 5 5 HELIX 14 AB5 ASP B 82 LEU B 94 1 13 HELIX 15 AB6 LYS B 107 GLY B 113 1 7 HELIX 16 AB7 ALA B 114 ASN B 126 1 13 HELIX 17 AB8 ASN B 130 SER B 150 1 21 HELIX 18 AB9 THR B 178 CYS B 199 1 22 HELIX 19 AC1 PHE B 207 GLU B 219 1 13 HELIX 20 AC2 ARG B 220 GLN B 225 1 6 HELIX 21 AC3 ALA B 229 TYR B 237 1 9 HELIX 22 AC4 TYR B 237 LYS B 243 1 7 SHEET 1 AA1 4 THR A 48 VAL A 52 0 SHEET 2 AA1 4 ILE A 14 LYS A 19 1 N LEU A 16 O THR A 48 SHEET 3 AA1 4 PHE A 72 TYR A 75 -1 O LEU A 74 N GLU A 15 SHEET 4 AA1 4 THR A 78 LYS A 80 -1 O THR A 78 N TYR A 75 SHEET 1 AA2 4 THR B 48 VAL B 52 0 SHEET 2 AA2 4 ILE B 14 LYS B 19 1 N LEU B 16 O THR B 48 SHEET 3 AA2 4 PHE B 72 TYR B 75 -1 O PHE B 72 N PHE B 17 SHEET 4 AA2 4 THR B 78 LYS B 80 -1 O THR B 78 N TYR B 75 SSBOND 1 CYS A 30 CYS A 33 1555 1555 2.03 SSBOND 2 CYS B 30 CYS B 33 1555 1555 2.03 CRYST1 165.230 44.730 71.470 90.00 97.91 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 0.006052 0.000000 0.000841 0.00000 SCALE2 0.000000 0.022356 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014126 0.00000