HEADER MEMBRANE PROTEIN 15-MAR-21 7NVH TITLE CRYO-EM STRUCTURE OF THE MYCOLIC ACID TRANSPORTER MMPL3 FROM M. TITLE 2 TUBERCULOSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: TREHALOSE MONOMYCOLATE EXPORTER MMPL3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TMM EXPORTER MMPL3,MMPL3 TRANSPORTER,MYCOBACTERIAL MEMBRANE COMPND 5 PROTEIN LARGE 3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 GENE: MMPL3, RV0206C, MTCY08D5.01C, MTV033.14C; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSPORTER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR O.ADAMS,J.C.DEME,J.L.PARKER,S.M.LEA,S.NEWSTEAD REVDAT 4 21-DEC-22 7NVH 1 COMPND SOURCE JRNL DBREF REVDAT 4 2 1 SEQADV REVDAT 3 20-OCT-21 7NVH 1 JRNL REVDAT 2 21-JUL-21 7NVH 1 JRNL REVDAT 1 16-JUN-21 7NVH 0 JRNL AUTH O.ADAMS,J.C.DEME,J.L.PARKER,P.W.FOWLER,S.M.LEA,S.NEWSTEAD JRNL TITL CRYO-EM STRUCTURE AND RESISTANCE LANDSCAPE OF M. JRNL TITL 2 TUBERCULOSIS MMPL3: AN EMERGENT THERAPEUTIC TARGET. JRNL REF STRUCTURE V. 29 1182 2021 JRNL REFN ISSN 0969-2126 JRNL PMID 34242558 JRNL DOI 10.1016/J.STR.2021.06.013 REMARK 2 REMARK 2 RESOLUTION. 3.02 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.000 REMARK 3 NUMBER OF PARTICLES : 414082 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 7NVH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1292114642. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : MYCOLIC ACID TRANSPORTER MMPL3 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 2.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : NULL REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5820.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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 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 LEU A 343 REMARK 465 GLY A 344 REMARK 465 VAL A 345 REMARK 465 ARG A 346 REMARK 465 THR A 347 REMARK 465 LEU A 348 REMARK 465 PHE A 349 REMARK 465 ARG A 350 REMARK 465 VAL A 351 REMARK 465 PRO A 352 REMARK 465 PHE A 353 REMARK 465 LEU A 354 REMARK 465 ALA A 355 REMARK 465 ASN A 356 REMARK 465 TRP A 357 REMARK 465 LYS A 358 REMARK 465 ILE A 359 REMARK 465 SER A 360 REMARK 465 ALA A 361 REMARK 465 ALA A 362 REMARK 465 TYR A 363 REMARK 465 LEU A 364 REMARK 465 ASN A 365 REMARK 465 TRP A 366 REMARK 465 LEU A 367 REMARK 465 ALA A 368 REMARK 465 ASP A 369 REMARK 465 ARG A 370 REMARK 465 LEU A 371 REMARK 465 GLN A 372 REMARK 465 ARG A 373 REMARK 465 THR A 374 REMARK 465 LYS A 375 REMARK 465 THR A 376 REMARK 465 ARG A 377 REMARK 465 ASP A 753 REMARK 465 GLY A 754 REMARK 465 SER A 755 REMARK 465 GLU A 756 REMARK 465 ASN A 757 REMARK 465 LEU A 758 REMARK 465 TYR A 759 REMARK 465 PHE A 760 REMARK 465 GLN A 761 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 O ILE A 323 OG1 THR A 327 2.14 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 ARG A 65 52.20 -92.73 REMARK 500 ARG A 96 -3.78 77.26 REMARK 500 ASP A 157 -1.96 68.40 REMARK 500 PHE A 230 -60.87 -90.61 REMARK 500 THR A 280 -63.74 -94.46 REMARK 500 ASN A 390 -17.57 -143.32 REMARK 500 SER A 432 -6.53 71.86 REMARK 500 MET A 477 49.81 -91.14 REMARK 500 ALA A 478 13.65 -141.02 REMARK 500 ASN A 517 73.98 58.32 REMARK 500 LYS A 535 -51.04 -125.35 REMARK 500 VAL A 713 -56.06 -129.06 REMARK 500 GLU A 748 34.41 -143.01 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue AV0 A 801 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-12604 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE MYCOLIC ACID TRANSPORTER MMPL3 FROM M. REMARK 900 TUBERCULOSIS DBREF 7NVH A 1 753 UNP P9WJV5 MMPL3_MYCTU 1 753 SEQADV 7NVH GLY A 754 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH SER A 755 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH GLU A 756 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH ASN A 757 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH LEU A 758 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH TYR A 759 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH PHE A 760 UNP P9WJV5 EXPRESSION TAG SEQADV 7NVH GLN A 761 UNP P9WJV5 EXPRESSION TAG SEQRES 1 A 761 MET PHE ALA TRP TRP GLY ARG THR VAL TYR ARG TYR ARG SEQRES 2 A 761 PHE ILE VAL ILE GLY VAL MET VAL ALA LEU CYS LEU GLY SEQRES 3 A 761 GLY GLY VAL PHE GLY LEU SER LEU GLY LYS HIS VAL THR SEQRES 4 A 761 GLN SER GLY PHE TYR ASP ASP GLY SER GLN SER VAL GLN SEQRES 5 A 761 ALA SER VAL LEU GLY ASP GLN VAL TYR GLY ARG ASP ARG SEQRES 6 A 761 SER GLY HIS ILE VAL ALA ILE PHE GLN ALA PRO ALA GLY SEQRES 7 A 761 LYS THR VAL ASP ASP PRO ALA TRP SER LYS LYS VAL VAL SEQRES 8 A 761 ASP GLU LEU ASN ARG PHE GLN GLN ASP HIS PRO ASP GLN SEQRES 9 A 761 VAL LEU GLY TRP ALA GLY TYR LEU ARG ALA SER GLN ALA SEQRES 10 A 761 THR GLY MET ALA THR ALA ASP LYS LYS TYR THR PHE VAL SEQRES 11 A 761 SER ILE PRO LEU LYS GLY ASP ASP ASP ASP THR ILE LEU SEQRES 12 A 761 ASN ASN TYR LYS ALA ILE ALA PRO ASP LEU GLN ARG LEU SEQRES 13 A 761 ASP GLY GLY THR VAL LYS LEU ALA GLY LEU GLN PRO VAL SEQRES 14 A 761 ALA GLU ALA LEU THR GLY THR ILE ALA THR ASP GLN ARG SEQRES 15 A 761 ARG MET GLU VAL LEU ALA LEU PRO LEU VAL ALA VAL VAL SEQRES 16 A 761 LEU PHE PHE VAL PHE GLY GLY VAL ILE ALA ALA GLY LEU SEQRES 17 A 761 PRO VAL MET VAL GLY GLY LEU CYS ILE ALA GLY ALA LEU SEQRES 18 A 761 GLY ILE MET ARG PHE LEU ALA ILE PHE GLY PRO VAL HIS SEQRES 19 A 761 TYR PHE ALA GLN PRO VAL VAL SER LEU ILE GLY LEU GLY SEQRES 20 A 761 ILE ALA ILE ASP TYR GLY LEU PHE ILE VAL SER ARG PHE SEQRES 21 A 761 ARG GLU GLU ILE ALA GLU GLY TYR ASP THR GLU THR ALA SEQRES 22 A 761 VAL ARG ARG THR VAL ILE THR ALA GLY ARG THR VAL THR SEQRES 23 A 761 PHE SER ALA VAL LEU ILE VAL ALA SER ALA ILE GLY LEU SEQRES 24 A 761 LEU LEU PHE PRO GLN GLY PHE LEU LYS SER LEU THR TYR SEQRES 25 A 761 ALA THR ILE ALA SER VAL MET LEU SER ALA ILE LEU SER SEQRES 26 A 761 ILE THR VAL LEU PRO ALA CYS LEU GLY ILE LEU GLY LYS SEQRES 27 A 761 HIS VAL ASP ALA LEU GLY VAL ARG THR LEU PHE ARG VAL SEQRES 28 A 761 PRO PHE LEU ALA ASN TRP LYS ILE SER ALA ALA TYR LEU SEQRES 29 A 761 ASN TRP LEU ALA ASP ARG LEU GLN ARG THR LYS THR ARG SEQRES 30 A 761 GLU GLU VAL GLU ALA GLY PHE TRP GLY LYS LEU VAL ASN SEQRES 31 A 761 ARG VAL MET LYS ARG PRO VAL LEU PHE ALA ALA PRO ILE SEQRES 32 A 761 VAL ILE ILE MET ILE LEU LEU ILE ILE PRO VAL GLY LYS SEQRES 33 A 761 LEU SER LEU GLY GLY ILE SER GLU LYS TYR LEU PRO PRO SEQRES 34 A 761 THR ASN SER VAL ARG GLN ALA GLN GLU GLU PHE ASP LYS SEQRES 35 A 761 LEU PHE PRO GLY TYR ARG THR ASN PRO LEU THR LEU VAL SEQRES 36 A 761 ILE GLN THR SER ASN HIS GLN PRO VAL THR ASP ALA GLN SEQRES 37 A 761 ILE ALA ASP ILE ARG SER LYS ALA MET ALA ILE GLY GLY SEQRES 38 A 761 PHE ILE GLU PRO ASP ASN ASP PRO ALA ASN MET TRP GLN SEQRES 39 A 761 GLU ARG ALA TYR ALA VAL GLY ALA SER LYS ASP PRO SER SEQRES 40 A 761 VAL ARG VAL LEU GLN ASN GLY LEU ILE ASN PRO ALA ASP SEQRES 41 A 761 ALA SER LYS LYS LEU THR GLU LEU ARG ALA ILE THR PRO SEQRES 42 A 761 PRO LYS GLY ILE THR VAL LEU VAL GLY GLY THR PRO ALA SEQRES 43 A 761 LEU GLU LEU ASP SER ILE HIS GLY LEU PHE ALA LYS MET SEQRES 44 A 761 PRO LEU MET VAL VAL ILE LEU LEU THR THR THR ILE VAL SEQRES 45 A 761 LEU MET PHE LEU ALA PHE GLY SER VAL VAL LEU PRO ILE SEQRES 46 A 761 LYS ALA THR LEU MET SER ALA LEU THR LEU GLY SER THR SEQRES 47 A 761 MET GLY ILE LEU THR TRP ILE PHE VAL ASP GLY HIS PHE SEQRES 48 A 761 SER LYS TRP LEU ASN PHE THR PRO THR PRO LEU THR ALA SEQRES 49 A 761 PRO VAL ILE GLY LEU ILE ILE ALA LEU VAL PHE GLY LEU SEQRES 50 A 761 SER THR ASP TYR GLU VAL PHE LEU VAL SER ARG MET VAL SEQRES 51 A 761 GLU ALA ARG GLU ARG GLY MET SER THR GLN GLU ALA ILE SEQRES 52 A 761 ARG ILE GLY THR ALA ALA THR GLY ARG ILE ILE THR ALA SEQRES 53 A 761 ALA ALA LEU ILE VAL ALA VAL VAL ALA GLY ALA PHE VAL SEQRES 54 A 761 PHE SER ASP LEU VAL MET MET LYS TYR LEU ALA PHE GLY SEQRES 55 A 761 LEU MET ALA ALA LEU LEU LEU ASP ALA THR VAL VAL ARG SEQRES 56 A 761 MET PHE LEU VAL PRO SER VAL MET LYS LEU LEU GLY ASP SEQRES 57 A 761 ASP CYS TRP TRP ALA PRO ARG TRP ALA ARG ARG LEU GLN SEQRES 58 A 761 THR ARG ILE GLY LEU GLY GLU ILE HIS LEU PRO ASP GLY SEQRES 59 A 761 SER GLU ASN LEU TYR PHE GLN HET AV0 A 801 69 HETNAM AV0 2-DECYL-2-{[(4-O-ALPHA-D-GLUCOPYRANOSYL-BETA-D- HETNAM 2 AV0 GLUCOPYRANOSYL)OXY]METHYL}DODECYL 4-O-ALPHA-D- HETNAM 3 AV0 GLUCOPYRANOSYL-BETA-D-GLUCOPYRANOSIDE HETSYN AV0 2,2-DIDECYLPROPANE-1,3-BIS-B-D-MALTOPYRANOSIDE FORMUL 2 AV0 C47 H88 O22 HELIX 1 AA1 MET A 1 TYR A 12 1 12 HELIX 2 AA2 VAL A 21 GLY A 26 1 6 HELIX 3 AA3 PHE A 30 LEU A 32 5 3 HELIX 4 AA4 SER A 33 HIS A 37 1 5 HELIX 5 AA5 SER A 48 GLY A 62 1 15 HELIX 6 AA6 ASP A 83 ASN A 95 1 13 HELIX 7 AA7 ALA A 117 ALA A 121 5 5 HELIX 8 AA8 ASP A 138 ALA A 148 1 11 HELIX 9 AA9 ILE A 149 GLN A 154 1 6 HELIX 10 AB1 ARG A 155 GLY A 159 5 5 HELIX 11 AB2 GLY A 165 GLY A 175 1 11 HELIX 12 AB3 GLY A 175 GLY A 201 1 27 HELIX 13 AB4 GLY A 202 ALA A 228 1 27 HELIX 14 AB5 PHE A 236 GLY A 247 1 12 HELIX 15 AB6 GLY A 247 GLU A 266 1 20 HELIX 16 AB7 ASP A 269 GLY A 298 1 30 HELIX 17 AB8 LEU A 299 PHE A 302 5 4 HELIX 18 AB9 GLN A 304 GLY A 337 1 34 HELIX 19 AC1 LYS A 338 ASP A 341 5 4 HELIX 20 AC2 PHE A 384 VAL A 392 1 9 HELIX 21 AC3 ALA A 400 LEU A 409 1 10 HELIX 22 AC4 ILE A 411 LYS A 416 5 6 HELIX 23 AC5 SER A 423 LEU A 427 5 5 HELIX 24 AC6 VAL A 433 PHE A 444 1 12 HELIX 25 AC7 THR A 465 MET A 477 1 13 HELIX 26 AC8 ASP A 488 MET A 492 5 5 HELIX 27 AC9 ASN A 517 ALA A 519 5 3 HELIX 28 AD1 ASP A 520 ARG A 529 1 10 HELIX 29 AD2 THR A 544 ALA A 557 1 14 HELIX 30 AD3 LYS A 558 PHE A 578 1 21 HELIX 31 AD4 VAL A 581 VAL A 607 1 27 HELIX 32 AD5 PHE A 611 ASN A 616 1 6 HELIX 33 AD6 THR A 623 ARG A 655 1 33 HELIX 34 AD7 SER A 658 THR A 670 1 13 HELIX 35 AD8 THR A 670 PHE A 690 1 21 HELIX 36 AD9 LEU A 693 VAL A 713 1 21 HELIX 37 AE1 VAL A 713 GLY A 727 1 15 HELIX 38 AE2 ASP A 728 TRP A 732 5 5 HELIX 39 AE3 PRO A 734 ILE A 744 1 11 SHEET 1 AA1 2 VAL A 38 THR A 39 0 SHEET 2 AA1 2 VAL A 233 HIS A 234 1 O VAL A 233 N THR A 39 SHEET 1 AA2 4 ALA A 109 GLY A 110 0 SHEET 2 AA2 4 TYR A 127 SER A 131 -1 O SER A 131 N ALA A 109 SHEET 3 AA2 4 VAL A 70 GLN A 74 -1 N PHE A 73 O THR A 128 SHEET 4 AA2 4 LYS A 162 ALA A 164 -1 O ALA A 164 N VAL A 70 SHEET 1 AA3 4 GLN A 494 GLU A 495 0 SHEET 2 AA3 4 VAL A 508 GLY A 514 -1 O GLN A 512 N GLN A 494 SHEET 3 AA3 4 PRO A 451 GLN A 457 -1 N LEU A 452 O ASN A 513 SHEET 4 AA3 4 LEU A 540 GLY A 543 -1 O LEU A 540 N VAL A 455 SITE 1 AC1 20 GLN A 40 SER A 41 TYR A 44 VAL A 51 SITE 2 AC1 20 SER A 54 ASP A 58 ASP A 139 GLY A 165 SITE 3 AC1 20 LEU A 166 VAL A 169 THR A 174 ILE A 177 SITE 4 AC1 20 HIS A 234 TYR A 235 PHE A 236 ILE A 422 SITE 5 AC1 20 GLN A 437 ARG A 448 ASN A 450 GLU A 548 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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