HEADER LIGASE 31-DEC-25 21VU TITLE CRYSTAL STRUCTURE OF BRUCELLA MELITENSIS COBT N-TERMINAL DOMAIN TITLE 2 COMPLEX WITH COBS SMALL DOMAIN. COMPND MOL_ID: 1; COMPND 2 MOLECULE: COBALTOCHELATASE SUBUNIT COBS; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SMALL DOMAIN; COMPND 5 EC: 6.6.1.2; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: COBALTOCHELATASE SUBUNIT COBT; COMPND 9 CHAIN: H; COMPND 10 FRAGMENT: N-TERMINAL DOMAIN; COMPND 11 EC: 6.6.1.2; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BRUCELLA MELITENSIS; SOURCE 3 ORGANISM_TAXID: 29459; SOURCE 4 GENE: BI318_03735; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: BRUCELLA MELITENSIS; SOURCE 9 ORGANISM_TAXID: 29459; SOURCE 10 GENE: BI318_03740; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS COBALT CHELATASE, COBS, COBT, AAA+, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.L.ZHOU,L.LIU REVDAT 1 29-JUL-26 21VU 0 JRNL AUTH Y.L.ZHOU,H.YUAN,Y.C.WU,J.WANG,H.CHEN,L.YAO,M.WANG,X.WANG, JRNL AUTH 2 J.WANG,C.HE,X.CHEN,L.LIU JRNL TITL ASSEMBLY OF THE ATP-DRIVEN COBALT CHELATASE JRNL REF BIORXIV 2026 JRNL REFN ISSN 2692-8205 JRNL DOI 10.64898/2026.07.21.739949 REMARK 2 REMARK 2 RESOLUTION. 2.20 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 29020 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.860 REMARK 3 FREE R VALUE TEST SET COUNT : 1411 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 31.7000 - 4.7400 0.99 2907 159 0.1847 0.2050 REMARK 3 2 4.7300 - 3.7600 1.00 2814 143 0.1705 0.2041 REMARK 3 3 3.7600 - 3.2900 1.00 2778 139 0.2094 0.2350 REMARK 3 4 3.2900 - 2.9900 1.00 2781 120 0.2313 0.2407 REMARK 3 5 2.9900 - 2.7700 1.00 2716 148 0.2468 0.2774 REMARK 3 6 2.7700 - 2.6100 1.00 2737 142 0.2492 0.3052 REMARK 3 7 2.6100 - 2.4800 1.00 2729 124 0.2352 0.2780 REMARK 3 8 2.4800 - 2.3700 1.00 2729 149 0.2533 0.2642 REMARK 3 9 2.3700 - 2.2800 1.00 2714 133 0.2736 0.3126 REMARK 3 10 2.2800 - 2.2000 1.00 2704 154 0.2916 0.3319 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) : 0.317 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.126 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 44.46 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 55.52 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 : 0.008 2358 REMARK 3 ANGLE : 0.855 3207 REMARK 3 CHIRALITY : 0.046 374 REMARK 3 PLANARITY : 0.009 426 REMARK 3 DIHEDRAL : 5.264 333 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 21VU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 08-JAN-26. REMARK 100 THE DEPOSITION ID IS D_1300067965. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-APR-24 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 : SSRF REMARK 200 BEAMLINE : BL18U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29064 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.80 REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 1.13600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM FORMATE, GLYCEROL, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 2 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 11555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 12555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 13555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 14555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 15555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 61.42300 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 74.02400 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 61.42300 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 74.02400 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 61.42300 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 74.02400 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 61.42300 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 74.02400 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 61.42300 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 74.02400 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 61.42300 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 74.02400 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 61.42300 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 74.02400 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 61.42300 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 61.42300 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 74.02400 REMARK 290 REMARK 290 REMARK: NULL 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2020 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13910 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, H 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG H 27 CG CD NE CZ NH1 NH2 REMARK 470 GLU H 43 CG CD OE1 OE2 REMARK 470 ARG H 50 CG CD NE CZ NH1 NH2 REMARK 470 ASN H 56 CG OD1 ND2 REMARK 470 ARG H 57 CG CD NE CZ NH1 NH2 REMARK 470 ARG H 59 CG CD NE CZ NH1 NH2 REMARK 470 ARG H 66 CG CD NE CZ NH1 NH2 REMARK 470 ARG H 92 CG CD NE CZ NH1 NH2 REMARK 470 GLU H 100 CG CD OE1 OE2 REMARK 470 LYS H 102 CG CD CE NZ REMARK 470 GLN H 103 CG CD OE1 NE2 REMARK 470 ARG H 105 CG CD NE CZ NH1 NH2 REMARK 470 LYS H 150 CG CD CE NZ REMARK 470 GLN H 189 CG CD OE1 NE2 REMARK 470 LYS H 190 CG CD CE NZ REMARK 470 GLN H 206 CG CD OE1 NE2 REMARK 470 ASP H 220 CG OD1 OD2 REMARK 470 GLU H 223 CG CD OE1 OE2 REMARK 470 GLU H 224 CG CD OE1 OE2 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 ASP A 285 93.66 -167.15 REMARK 500 PHE A 294 -50.44 -130.40 REMARK 500 HIS H 40 1.77 -68.24 REMARK 500 ASP H 49 -157.01 -74.67 REMARK 500 ALA H 55 108.49 59.34 REMARK 500 ALA H 191 34.18 -160.70 REMARK 500 SER H 218 0.71 -68.38 REMARK 500 REMARK 500 REMARK: NULL DBREF1 21VU A 224 327 UNP A0AB36PZV1_BRUML DBREF2 21VU A A0AB36PZV1 224 327 DBREF1 21VU H 19 224 UNP A0AB36PXH5_BRUML DBREF2 21VU H A0AB36PXH5 19 224 SEQRES 1 A 104 ASN GLU VAL ASN ILE VAL LEU VAL LYS ALA LYS HIS TYR SEQRES 2 A 104 GLN ASN ALA GLU GLY ARG GLU ILE VAL ASN LYS MET VAL SEQRES 3 A 104 ARG VAL ALA ASP MET THR ARG GLN ALA PHE ILE ASN GLY SEQRES 4 A 104 ASP LEU SER THR VAL MET SER PRO ARG THR VAL ILE THR SEQRES 5 A 104 TRP ALA GLU ASN ALA ALA ILE PHE ASN ASP VAL GLY PHE SEQRES 6 A 104 ALA PHE ARG LEU THR PHE LEU ASN LYS CYS ASP GLU LEU SEQRES 7 A 104 GLU ARG ALA THR VAL ALA GLU PHE TYR GLN ARG ALA PHE SEQRES 8 A 104 GLY VAL GLU LEU PRO GLU SER ALA ALA ASN ILE VAL LEU SEQRES 1 H 206 PRO VAL ASP SER GLU PRO PHE LYS ARG ALA ILE THR ALA SEQRES 2 H 206 CYS VAL ARG ALA ILE SER GLY ASP HIS GLU MET GLU VAL SEQRES 3 H 206 ALA PHE SER HIS ASP ARG PRO ALA LEU SER ALA ASN ARG SEQRES 4 H 206 ALA ARG LEU PRO ASP LEU PRO LYS ARG PRO THR ALA HIS SEQRES 5 H 206 ASP ILE ALA VAL THR ARG GLY LEU GLY ASP SER MET ALA SEQRES 6 H 206 LEU ARG GLN ALA ARG HIS ASN PRO ARG ILE HIS ALA ALA SEQRES 7 H 206 LEU ALA PRO GLU GLY LYS GLN ALA ARG ALA ILE PHE ASP SEQRES 8 H 206 ALA VAL GLU GLN ALA ARG VAL GLU ALA ILE GLY ALA ARG SEQRES 9 H 206 ALA MET ALA GLY VAL ALA ASP ASN LEU SER THR MET LEU SEQRES 10 H 206 ALA ASP LYS TYR SER ARG ALA ASN PHE SER ALA VAL THR SEQRES 11 H 206 THR LYS GLU ASP ALA PRO LEU GLU GLU ALA VAL SER LEU SEQRES 12 H 206 LEU LEU ARG GLU LYS LEU THR GLY ARG PRO ALA PRO ALA SEQRES 13 H 206 GLU ALA GLY GLN VAL LEU GLU LEU TRP ARG ASP TRP ILE SEQRES 14 H 206 GLU GLN LYS ALA SER ALA ASP ILE ALA ARG LEU GLY GLU SEQRES 15 H 206 ASN LEU GLU ASP GLN GLN ALA PHE ALA ARG THR VAL ARG SEQRES 16 H 206 ASP MET LEU ALA SER MET ASP MET ALA GLU GLU FORMUL 3 HOH *111(H2 O) HELIX 1 AA1 ASN A 224 ALA A 233 1 10 HELIX 2 AA2 LYS A 234 GLN A 237 5 4 HELIX 3 AA3 ASN A 238 ASN A 261 1 24 HELIX 4 AA4 SER A 269 ASN A 284 1 16 HELIX 5 AA5 ASP A 285 PHE A 294 1 10 HELIX 6 AA6 LEU A 295 CYS A 298 5 4 HELIX 7 AA7 ASP A 299 LEU A 301 5 3 HELIX 8 AA8 GLU A 302 GLY A 315 1 14 HELIX 9 AA9 SER A 321 LEU A 327 1 7 HELIX 10 AB1 SER H 22 GLY H 38 1 17 HELIX 11 AB2 THR H 68 HIS H 89 1 22 HELIX 12 AB3 ASN H 90 LEU H 97 1 8 HELIX 13 AB4 GLY H 101 MET H 124 1 24 HELIX 14 AB5 MET H 124 ALA H 142 1 19 HELIX 15 AB6 ASN H 143 VAL H 147 5 5 HELIX 16 AB7 THR H 149 ALA H 153 5 5 HELIX 17 AB8 PRO H 154 GLY H 169 1 16 HELIX 18 AB9 PRO H 173 GLY H 177 5 5 HELIX 19 AC1 LEU H 180 ALA H 191 1 12 HELIX 20 AC2 ALA H 191 ARG H 197 1 7 HELIX 21 AC3 LEU H 198 LEU H 202 5 5 HELIX 22 AC4 ASP H 204 SER H 218 1 15 SHEET 1 AA1 3 ALA H 45 SER H 47 0 SHEET 2 AA1 3 ALA H 58 PRO H 61 1 O LEU H 60 N ALA H 45 SHEET 3 AA1 3 ALA H 52 LEU H 53 -1 N ALA H 52 O ARG H 59 CRYST1 122.846 122.846 148.048 90.00 90.00 90.00 I 4 2 2 16 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 0.008140 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008140 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006755 0.00000 MASTER 298 0 0 22 3 0 0 6 2422 2 0 24 END