HEADER TRANSPORT PROTEIN 02-DEC-21 7T1S TITLE CRYSTAL STRUCTURE OF A BACTERIAL STEROL TRANSPORTER COMPND MOL_ID: 1; COMPND 2 MOLECULE: BSTC; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHYLOCOCCUS CAPSULATUS STR. TEXAS = ATCC SOURCE 3 19069; SOURCE 4 ORGANISM_TAXID: 1224744; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS STEROLS, TRANSPORTERS, METHANOTROPHS, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.M.K.DASSAMA,L.ZHAI REVDAT 3 21-FEB-24 7T1S 1 JRNL REVDAT 2 27-DEC-23 7T1S 1 COMPND AUTHOR JRNL REMARK REVDAT 2 2 1 HET HETNAM FORMUL HELIX REVDAT 2 3 1 SSBOND LINK MTRIX ATOM REVDAT 1 14-DEC-22 7T1S 0 JRNL AUTH L.ZHAI,A.C.BONDS,C.A.SMITH,H.OO,J.C.CHOU,P.V.WELANDER, JRNL AUTH 2 L.M.K.DASSAMA JRNL TITL NOVEL STEROL BINDING DOMAINS IN BACTERIA. JRNL REF ELIFE V. 12 2024 JRNL REFN ESSN 2050-084X JRNL PMID 38329015 JRNL DOI 10.7554/ELIFE.90696 REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.63 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 80436 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.850 REMARK 3 FREE R VALUE TEST SET COUNT : 3904 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 10.0000 - 5.7800 1.00 2737 140 0.2079 0.2491 REMARK 3 2 5.7800 - 4.5900 1.00 2747 145 0.1808 0.1680 REMARK 3 3 4.5900 - 4.0100 1.00 2759 141 0.1497 0.1709 REMARK 3 4 4.0100 - 3.6500 1.00 2731 136 0.1528 0.1479 REMARK 3 5 3.6500 - 3.3900 1.00 2752 142 0.1606 0.2249 REMARK 3 6 3.3900 - 3.1900 1.00 2707 137 0.1748 0.2029 REMARK 3 7 3.1900 - 3.0300 1.00 2762 140 0.1784 0.2352 REMARK 3 8 3.0300 - 2.9000 1.00 2748 142 0.1765 0.2198 REMARK 3 9 2.9000 - 2.7900 1.00 2743 140 0.1568 0.1831 REMARK 3 10 2.7900 - 2.6900 1.00 2767 139 0.1658 0.2075 REMARK 3 11 2.6900 - 2.6100 1.00 2710 140 0.1561 0.1927 REMARK 3 12 2.6100 - 2.5300 1.00 2735 140 0.1578 0.2099 REMARK 3 13 2.5300 - 2.4600 1.00 2773 141 0.1567 0.2523 REMARK 3 14 2.4600 - 2.4000 1.00 2685 142 0.1573 0.2253 REMARK 3 15 2.4000 - 2.3500 1.00 2768 135 0.1549 0.1902 REMARK 3 16 2.3500 - 2.3000 0.99 2695 138 0.1568 0.1841 REMARK 3 17 2.3000 - 2.2500 1.00 2795 143 0.1545 0.1937 REMARK 3 18 2.2500 - 2.2100 0.99 2713 141 0.1591 0.1869 REMARK 3 19 2.2100 - 2.1700 1.00 2788 140 0.1644 0.2244 REMARK 3 20 2.1700 - 2.1300 1.00 2706 136 0.1664 0.1911 REMARK 3 21 2.1300 - 2.1000 1.00 2685 137 0.1719 0.2164 REMARK 3 22 2.1000 - 2.0700 0.99 2759 140 0.1819 0.2154 REMARK 3 23 2.0700 - 2.0400 0.99 2663 132 0.1964 0.2374 REMARK 3 24 2.0400 - 2.0100 0.99 2850 144 0.2037 0.2407 REMARK 3 25 2.0100 - 1.9800 0.99 2658 139 0.2194 0.2483 REMARK 3 26 1.9800 - 1.9600 0.99 2726 141 0.2268 0.2681 REMARK 3 27 1.9600 - 1.9300 0.99 2756 140 0.2328 0.2670 REMARK 3 28 1.9300 - 1.9100 0.97 2614 133 0.2526 0.2676 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.000 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.59 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 : 0.015 3739 REMARK 3 ANGLE : 1.614 5031 REMARK 3 CHIRALITY : 0.063 507 REMARK 3 PLANARITY : 0.021 682 REMARK 3 DIHEDRAL : 18.656 565 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 13.9014 35.0301 19.6085 REMARK 3 T TENSOR REMARK 3 T11: 0.0992 T22: 0.1011 REMARK 3 T33: 0.0992 T12: -0.0105 REMARK 3 T13: 0.0041 T23: -0.0173 REMARK 3 L TENSOR REMARK 3 L11: 0.1412 L22: 0.3717 REMARK 3 L33: 0.4321 L12: -0.1270 REMARK 3 L13: 0.1502 L23: -0.2670 REMARK 3 S TENSOR REMARK 3 S11: 0.0071 S12: -0.0139 S13: 0.0058 REMARK 3 S21: 0.0281 S22: 0.0016 S23: 0.0080 REMARK 3 S31: 0.0357 S32: -0.0004 S33: -0.0089 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 7T1S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-21. REMARK 100 THE DEPOSITION ID IS D_1000261492. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-SEP-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97896, 0.91837, 0.97930 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 80757 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910 REMARK 200 RESOLUTION RANGE LOW (A) : 28.630 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.0900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3500, AMMONIUM CITRATE DIBASIC, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 28.62850 REMARK 290 SMTRY3 2 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 MSE A 15 REMARK 465 CYS A 16 REMARK 465 GLY A 17 REMARK 465 GLY A 18 REMARK 465 LEU A 19 REMARK 465 HIS A 20 REMARK 465 ARG A 21 REMARK 465 ASP A 22 REMARK 465 GLY A 23 REMARK 465 THR A 24 REMARK 465 PRO A 25 REMARK 465 ALA A 26 REMARK 465 ALA A 261 REMARK 465 PRO A 262 REMARK 465 ALA A 263 REMARK 465 ARG A 264 REMARK 465 LEU A 265 REMARK 465 GLU A 266 REMARK 465 HIS A 267 REMARK 465 HIS A 268 REMARK 465 HIS A 269 REMARK 465 HIS A 270 REMARK 465 HIS A 271 REMARK 465 HIS A 272 REMARK 465 MSE B 15 REMARK 465 CYS B 16 REMARK 465 GLY B 17 REMARK 465 GLY B 18 REMARK 465 LEU B 19 REMARK 465 HIS B 20 REMARK 465 ARG B 21 REMARK 465 ASP B 22 REMARK 465 GLY B 23 REMARK 465 THR B 24 REMARK 465 PRO B 25 REMARK 465 ALA B 26 REMARK 465 GLY B 27 REMARK 465 PRO B 28 REMARK 465 SER B 29 REMARK 465 ALA B 30 REMARK 465 ALA B 261 REMARK 465 PRO B 262 REMARK 465 ALA B 263 REMARK 465 ARG B 264 REMARK 465 LEU B 265 REMARK 465 GLU B 266 REMARK 465 HIS B 267 REMARK 465 HIS B 268 REMARK 465 HIS B 269 REMARK 465 HIS B 270 REMARK 465 HIS B 271 REMARK 465 HIS B 272 REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 775 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A 776 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A 777 DISTANCE = 6.98 ANGSTROMS DBREF 7T1S A 15 272 PDB 7T1S 7T1S 15 272 DBREF 7T1S B 15 272 PDB 7T1S 7T1S 15 272 SEQRES 1 A 258 MSE CYS GLY GLY LEU HIS ARG ASP GLY THR PRO ALA GLY SEQRES 2 A 258 PRO SER ALA GLY CYS PRO ARG LEU THR ALA ALA ALA LEU SEQRES 3 A 258 SER ALA GLY GLN ASP ALA LEU GLY PRO SER SER GLU THR SEQRES 4 A 258 GLN GLU LEU GLU CYS ALA LEU ASP PHE LEU ARG GLY SER SEQRES 5 A 258 ASP ASP PRO ALA LEU ARG ARG SER SER LEU GLY SER ARG SEQRES 6 A 258 ILE CYS LEU HIS LEU ALA GLU ARG ASN SER ASP PRO ALA SEQRES 7 A 258 GLU ARG ALA ARG PHE ALA ARG GLU GLY VAL GLU ARG ALA SEQRES 8 A 258 GLU ALA ALA LEU ALA GLN GLY GLY GLU ASP ASP GLY ALA SEQRES 9 A 258 VAL HIS TYR TYR LEU ALA ALA ASN LEU GLY LEU ALA VAL SEQRES 10 A 258 ARG ASP ASP MSE THR ALA ALA LEU ALA ASN LEU HIS ARG SEQRES 11 A 258 LEU GLU HIS GLU SER GLU ALA ALA VAL LYS LEU SER PRO SEQRES 12 A 258 ASP PHE ASP ASP GLY GLY PRO LEU ARG LEU LEU GLY MSE SEQRES 13 A 258 LEU TYR LEU LYS ALA PRO ALA TRP PRO ALA GLY MSE GLY SEQRES 14 A 258 ASP GLY ASP LYS ALA LEU ASP LEU LEU GLY GLN ALA VAL SEQRES 15 A 258 GLU ARG HIS PRO GLY HIS PRO LEU ASN HIS LEU PHE TYR SEQRES 16 A 258 ALA GLU ALA LEU TRP GLU VAL ASN GLY GLU SER GLU SER SEQRES 17 A 258 ARG ARG VAL GLU GLU GLU MSE ALA ALA GLY TRP ARG LEU SEQRES 18 A 258 LEU GLU SER GLY SER TRP GLY TYR ASN LYS GLN ILE TRP SEQRES 19 A 258 LYS ARG GLU PHE ALA ASP LEU ARG GLN GLU ILE GLY ALA SEQRES 20 A 258 PRO ALA ARG LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 B 258 MSE CYS GLY GLY LEU HIS ARG ASP GLY THR PRO ALA GLY SEQRES 2 B 258 PRO SER ALA GLY CYS PRO ARG LEU THR ALA ALA ALA LEU SEQRES 3 B 258 SER ALA GLY GLN ASP ALA LEU GLY PRO SER SER GLU THR SEQRES 4 B 258 GLN GLU LEU GLU CYS ALA LEU ASP PHE LEU ARG GLY SER SEQRES 5 B 258 ASP ASP PRO ALA LEU ARG ARG SER SER LEU GLY SER ARG SEQRES 6 B 258 ILE CYS LEU HIS LEU ALA GLU ARG ASN SER ASP PRO ALA SEQRES 7 B 258 GLU ARG ALA ARG PHE ALA ARG GLU GLY VAL GLU ARG ALA SEQRES 8 B 258 GLU ALA ALA LEU ALA GLN GLY GLY GLU ASP ASP GLY ALA SEQRES 9 B 258 VAL HIS TYR TYR LEU ALA ALA ASN LEU GLY LEU ALA VAL SEQRES 10 B 258 ARG ASP ASP MSE THR ALA ALA LEU ALA ASN LEU HIS ARG SEQRES 11 B 258 LEU GLU HIS GLU SER GLU ALA ALA VAL LYS LEU SER PRO SEQRES 12 B 258 ASP PHE ASP ASP GLY GLY PRO LEU ARG LEU LEU GLY MSE SEQRES 13 B 258 LEU TYR LEU LYS ALA PRO ALA TRP PRO ALA GLY MSE GLY SEQRES 14 B 258 ASP GLY ASP LYS ALA LEU ASP LEU LEU GLY GLN ALA VAL SEQRES 15 B 258 GLU ARG HIS PRO GLY HIS PRO LEU ASN HIS LEU PHE TYR SEQRES 16 B 258 ALA GLU ALA LEU TRP GLU VAL ASN GLY GLU SER GLU SER SEQRES 17 B 258 ARG ARG VAL GLU GLU GLU MSE ALA ALA GLY TRP ARG LEU SEQRES 18 B 258 LEU GLU SER GLY SER TRP GLY TYR ASN LYS GLN ILE TRP SEQRES 19 B 258 LYS ARG GLU PHE ALA ASP LEU ARG GLN GLU ILE GLY ALA SEQRES 20 B 258 PRO ALA ARG LEU GLU HIS HIS HIS HIS HIS HIS HET MSE A 135 17 HET MSE A 170 17 HET MSE A 182 17 HET MSE A 229 17 HET MSE B 135 17 HET MSE B 170 17 HET MSE B 182 17 HET MSE B 229 17 HET PEG A 501 17 HET PEG A 502 17 HET PEG A 503 17 HET PEG A 504 17 HET PEG A 505 17 HET CIT A 506 18 HET CIT A 507 18 HET CIT A 508 18 HET PEG B 301 17 HET PEG B 302 17 HET PEG B 303 17 HET PEG B 304 17 HET PEG B 305 17 HET CIT B 306 18 HET CIT B 307 18 HETNAM MSE SELENOMETHIONINE HETNAM PEG DI(HYDROXYETHYL)ETHER HETNAM CIT CITRIC ACID FORMUL 1 MSE 8(C5 H11 N O2 SE) FORMUL 3 PEG 10(C4 H10 O3) FORMUL 8 CIT 5(C6 H8 O7) FORMUL 18 HOH *355(H2 O) HELIX 1 AA1 THR A 36 GLY A 43 1 8 HELIX 2 AA2 GLN A 44 LEU A 47 5 4 HELIX 3 AA3 GLU A 52 GLY A 65 1 14 HELIX 4 AA4 ASP A 68 SER A 74 1 7 HELIX 5 AA5 SER A 75 ARG A 87 1 13 HELIX 6 AA6 ASP A 90 GLN A 111 1 22 HELIX 7 AA7 ASP A 116 ARG A 132 1 17 HELIX 8 AA8 ASP A 134 ASN A 141 1 8 HELIX 9 AA9 ASN A 141 SER A 156 1 16 HELIX 10 AB1 ASP A 158 ALA A 175 1 18 HELIX 11 AB2 ASP A 184 HIS A 199 1 16 HELIX 12 AB3 HIS A 202 GLY A 218 1 17 HELIX 13 AB4 GLU A 221 GLY A 239 1 19 HELIX 14 AB5 TRP A 241 TYR A 243 5 3 HELIX 15 AB6 ASN A 244 ILE A 259 1 16 HELIX 16 AB7 THR B 36 GLN B 44 1 9 HELIX 17 AB8 ASP B 45 LEU B 47 5 3 HELIX 18 AB9 GLU B 52 SER B 66 1 15 HELIX 19 AC1 ASP B 68 SER B 74 1 7 HELIX 20 AC2 SER B 75 ARG B 87 1 13 HELIX 21 AC3 ASP B 90 GLN B 111 1 22 HELIX 22 AC4 ASP B 116 ARG B 132 1 17 HELIX 23 AC5 ASP B 134 ASN B 141 1 8 HELIX 24 AC6 ASN B 141 SER B 156 1 16 HELIX 25 AC7 ASP B 158 ALA B 175 1 18 HELIX 26 AC8 ASP B 184 HIS B 199 1 16 HELIX 27 AC9 HIS B 202 GLY B 218 1 17 HELIX 28 AD1 GLU B 221 GLY B 239 1 19 HELIX 29 AD2 TRP B 241 TYR B 243 5 3 HELIX 30 AD3 ASN B 244 GLY B 260 1 17 SSBOND 1 CYS A 32 CYS A 58 1555 1555 2.05 SSBOND 2 CYS B 32 CYS B 58 1555 1555 2.04 LINK C ASP A 134 N MSE A 135 1555 1555 1.33 LINK C MSE A 135 N THR A 136 1555 1555 1.33 LINK C GLY A 169 N MSE A 170 1555 1555 1.33 LINK C MSE A 170 N LEU A 171 1555 1555 1.32 LINK C GLY A 181 N MSE A 182 1555 1555 1.32 LINK C MSE A 182 N GLY A 183 1555 1555 1.32 LINK C GLU A 228 N MSE A 229 1555 1555 1.34 LINK C MSE A 229 N ALA A 230 1555 1555 1.34 LINK C ASP B 134 N MSE B 135 1555 1555 1.33 LINK C MSE B 135 N THR B 136 1555 1555 1.34 LINK C GLY B 169 N MSE B 170 1555 1555 1.33 LINK C MSE B 170 N LEU B 171 1555 1555 1.33 LINK C GLY B 181 N MSE B 182 1555 1555 1.33 LINK C MSE B 182 N GLY B 183 1555 1555 1.33 LINK C GLU B 228 N MSE B 229 1555 1555 1.32 LINK C MSE B 229 N ALA B 230 1555 1555 1.33 CISPEP 1 TRP A 178 PRO A 179 0 10.01 CISPEP 2 TRP B 178 PRO B 179 0 9.10 CRYST1 55.083 57.257 85.825 90.00 97.26 90.00 P 1 21 1 4 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 0.018154 0.000000 0.002313 0.00000 SCALE2 0.000000 0.017465 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011746 0.00000