HEADER TRANSFERASE 16-MAY-00 1F0P TITLE MYCOBACTERIUM TUBERCULOSIS ANTIGEN 85B WITH TREHALOSE CAVEAT 1F0P MPD A 1003 HAS WRONG CHIRALITY AT ATOM C4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTIGEN 85-B; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 EXPRESSION_SYSTEM: MYCOBACTERIUM SMEGMATIS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1772; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PSMT3 KEYWDS MYCOLYL TRANSFERASE; ANTIGEN 85B; TREHALOSE BINDING, STRUCTURAL KEYWDS 2 GENOMICS, PSI, PROTEIN STRUCTURE INITIATIVE, TB STRUCTURAL GENOMICS KEYWDS 3 CONSORTIUM, TBSGC, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.H.ANDERSON,G.HARTH,M.A.HORWITZ,D.EISENBERG,TB STRUCTURAL GENOMICS AUTHOR 2 CONSORTIUM (TBSGC) REVDAT 7 09-AUG-23 1F0P 1 HETSYN REVDAT 6 29-JUL-20 1F0P 1 CAVEAT COMPND REMARK HET REVDAT 6 2 1 HETNAM HETSYN FORMUL LINK REVDAT 6 3 1 SITE ATOM REVDAT 5 31-JAN-18 1F0P 1 REMARK REVDAT 4 24-FEB-09 1F0P 1 VERSN REVDAT 3 01-FEB-05 1F0P 1 JRNL AUTHOR KEYWDS REMARK REVDAT 2 28-MAR-01 1F0P 1 JRNL REVDAT 1 24-JAN-01 1F0P 0 JRNL AUTH D.H.ANDERSON,G.HARTH,M.A.HORWITZ,D.EISENBERG JRNL TITL AN INTERFACIAL MECHANISM AND A CLASS OF INHIBITORS INFERRED JRNL TITL 2 FROM TWO CRYSTAL STRUCTURES OF THE MYCOBACTERIUM JRNL TITL 3 TUBERCULOSIS 30 KDA MAJOR SECRETORY PROTEIN (ANTIGEN 85B), A JRNL TITL 4 MYCOLYL TRANSFERASE. JRNL REF J.MOL.BIOL. V. 307 671 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11254389 JRNL DOI 10.1006/JMBI.2001.4461 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.R.RONNING,T.KLABUNDE,G.S.BESRA,V.D.VISSA,J.T.BELISLE, REMARK 1 AUTH 2 J.C.SACCHETTINI REMARK 1 TITL CRYSTAL STRUCTURE OF THE SECRETED FORM OF ANTIGEN 85C REMARK 1 TITL 2 REVEALS POTENTIAL TARGETS FOR MYCOBACTERIAL DRUGS AND REMARK 1 TITL 3 VACCINES REMARK 1 REF NAT.STRUCT.BIOL. V. 7 141 2000 REMARK 1 REFN ISSN 1072-8368 REMARK 1 DOI 10.1038/72413 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM (CCP4 UNIQUEIFY) REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.195 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.192 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.285 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1177 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 23077 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.189 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.186 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1099 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 21692 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2154 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 82 REMARK 3 SOLVENT ATOMS : 223 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2447.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 9849 REMARK 3 NUMBER OF RESTRAINTS : 9291 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 ANGLE DISTANCES (A) : 0.020 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.024 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.031 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.038 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.007 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.077 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER SPECIAL CASES: 2 REMARK 3 -METHYL-2,4-PENTANEDIOL (MPD) IS REMARK 3 RESTRAINED TO MATCH PDB CODE 3AL1; REMARK 3 2-(4-MORPHOLINO)-ETHANESULFONIC REMARK 3 ACID (MES) IS RESTRAINED TO MATCH REMARK 3 PDB CODE 3CHB; TREHALOSE IS REMARK 3 RESTRAINED TO MATCH CAMBRIDGE REMARK 3 STRUCTURAL DATA BASE CODE DEKYEX. REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ANISOTROPIC SCALING APPLIED BY THE METHOD OF REMARK 3 PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56 REMARK 4 REMARK 4 1F0P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011101. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-APR-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97950 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : PARABOLIC COLLIMATING MIR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23441 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 7.600 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.06800 REMARK 200 FOR THE DATA SET : 22.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.90 REMARK 200 R MERGE FOR SHELL (I) : 0.36700 REMARK 200 R SYM FOR SHELL (I) : 0.36700 REMARK 200 FOR SHELL : 7.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: SHELXL-97 REMARK 200 STARTING MODEL: APO ANTIGEN 85B (PDB CODE 1F0N) REMARK 200 REMARK 200 REMARK: APO AND TREHALOSE CRYSTALS ARE ISOMORPHOUS. TREHALOSE REMARK 200 BINDING SITES WERE LOCATED BY FO-FO DIFFERENCE FOURIER. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, MPD, MES, TREHALOSE, REMARK 280 PH 6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 21K, REMARK 280 TEMPERATURE 294.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.84800 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 61.69600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 61.69600 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 30.84800 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 551 LIES ON A SPECIAL POSITION. 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 PHE A 1 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 ARG A 43 33.84 -91.20 REMARK 500 PRO A 56 38.32 -91.33 REMARK 500 TYR A 79 44.43 38.42 REMARK 500 SER A 103 -66.66 -148.74 REMARK 500 SER A 126 -131.62 58.00 REMARK 500 MET A 179 -68.20 -91.02 REMARK 500 ASN A 217 -151.75 -107.70 REMARK 500 HIS A 250 29.11 -149.40 REMARK 500 ASN A 251 43.11 -142.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1F0N RELATED DB: PDB REMARK 900 THE SAME ANTIGEN 85B, ISOMORPHOUS, WITHOUT TREHALOSE. REMARK 900 RELATED ID: 1DQZ RELATED DB: PDB REMARK 900 ANTIGEN 85C REMARK 900 RELATED ID: 1DQY RELATED DB: PDB REMARK 900 ANTIGEN 85C WITH DIETHYL PHOSPHATE INHIBITOR. REMARK 900 RELATED ID: RV1886C RELATED DB: TARGETDB DBREF 1F0P A 1 285 UNP P31952 A85B_MYCTU 41 325 SEQRES 1 A 285 PHE SER ARG PRO GLY LEU PRO VAL GLU TYR LEU GLN VAL SEQRES 2 A 285 PRO SER PRO SER MET GLY ARG ASP ILE LYS VAL GLN PHE SEQRES 3 A 285 GLN SER GLY GLY ASN ASN SER PRO ALA VAL TYR LEU LEU SEQRES 4 A 285 ASP GLY LEU ARG ALA GLN ASP ASP TYR ASN GLY TRP ASP SEQRES 5 A 285 ILE ASN THR PRO ALA PHE GLU TRP TYR TYR GLN SER GLY SEQRES 6 A 285 LEU SER ILE VAL MET PRO VAL GLY GLY GLN SER SER PHE SEQRES 7 A 285 TYR SER ASP TRP TYR SER PRO ALA CYS GLY LYS ALA GLY SEQRES 8 A 285 CYS GLN THR TYR LYS TRP GLU THR PHE LEU THR SER GLU SEQRES 9 A 285 LEU PRO GLN TRP LEU SER ALA ASN ARG ALA VAL LYS PRO SEQRES 10 A 285 THR GLY SER ALA ALA ILE GLY LEU SER MET ALA GLY SER SEQRES 11 A 285 SER ALA MET ILE LEU ALA ALA TYR HIS PRO GLN GLN PHE SEQRES 12 A 285 ILE TYR ALA GLY SER LEU SER ALA LEU LEU ASP PRO SER SEQRES 13 A 285 GLN GLY MET GLY PRO SER LEU ILE GLY LEU ALA MET GLY SEQRES 14 A 285 ASP ALA GLY GLY TYR LYS ALA ALA ASP MET TRP GLY PRO SEQRES 15 A 285 SER SER ASP PRO ALA TRP GLU ARG ASN ASP PRO THR GLN SEQRES 16 A 285 GLN ILE PRO LYS LEU VAL ALA ASN ASN THR ARG LEU TRP SEQRES 17 A 285 VAL TYR CYS GLY ASN GLY THR PRO ASN GLU LEU GLY GLY SEQRES 18 A 285 ALA ASN ILE PRO ALA GLU PHE LEU GLU ASN PHE VAL ARG SEQRES 19 A 285 SER SER ASN LEU LYS PHE GLN ASP ALA TYR ASN ALA ALA SEQRES 20 A 285 GLY GLY HIS ASN ALA VAL PHE ASN PHE PRO PRO ASN GLY SEQRES 21 A 285 THR HIS SER TRP GLU TYR TRP GLY ALA GLN LEU ASN ALA SEQRES 22 A 285 MET LYS GLY ASP LEU GLN SER SER LEU GLY ALA GLY HET GLC B 1 11 HET GLC B 2 12 HET GLC C 1 11 HET GLC C 2 12 HET MPD A1001 8 HET MPD A1002 8 HET MPD A1003 8 HET MES A1101 12 HETNAM GLC ALPHA-D-GLUCOPYRANOSE HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETNAM MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID HETSYN GLC ALPHA-D-GLUCOSE; D-GLUCOSE; GLUCOSE FORMUL 2 GLC 4(C6 H12 O6) FORMUL 4 MPD 3(C6 H14 O2) FORMUL 7 MES C6 H13 N O4 S FORMUL 8 HOH *223(H2 O) HELIX 1 1 ASN A 49 THR A 55 1 7 HELIX 2 2 PRO A 56 TYR A 62 1 7 HELIX 3 3 LYS A 96 SER A 103 1 8 HELIX 4 4 SER A 103 ALA A 114 1 12 HELIX 5 5 SER A 126 HIS A 139 1 14 HELIX 6 6 MET A 159 ALA A 171 1 13 HELIX 7 7 LYS A 175 GLY A 181 1 7 HELIX 8 8 PRO A 186 ASN A 191 1 6 HELIX 9 9 GLN A 196 ASN A 203 1 8 HELIX 10 10 ASN A 223 ALA A 247 1 25 HELIX 11 11 SER A 263 MET A 274 1 12 HELIX 12 12 MET A 274 GLY A 283 1 10 SHEET 1 A 8 GLU A 9 SER A 15 0 SHEET 2 A 8 ARG A 20 GLN A 27 -1 O ARG A 20 N SER A 15 SHEET 3 A 8 SER A 67 PRO A 71 -1 N ILE A 68 O GLN A 27 SHEET 4 A 8 ALA A 35 LEU A 39 1 O VAL A 36 N VAL A 69 SHEET 5 A 8 SER A 120 LEU A 125 1 O ALA A 121 N TYR A 37 SHEET 6 A 8 PHE A 143 LEU A 149 1 N ILE A 144 O SER A 120 SHEET 7 A 8 ARG A 206 TYR A 210 1 O ARG A 206 N ALA A 146 SHEET 8 A 8 ALA A 252 ASN A 255 1 N VAL A 253 O LEU A 207 SHEET 1 B 2 ALA A 86 GLY A 88 0 SHEET 2 B 2 GLY A 91 GLN A 93 -1 O GLY A 91 N GLY A 88 SSBOND 1 CYS A 87 CYS A 92 1555 1555 2.03 LINK C1 GLC B 1 O1 GLC B 2 1555 1555 1.42 LINK C1 GLC C 1 O1 GLC C 2 1555 1555 1.42 CRYST1 73.210 73.210 92.544 90.00 90.00 120.00 P 31 2 1 6 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 0.013659 0.007886 0.000000 0.00000 SCALE2 0.000000 0.015772 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010806 0.00000