HEADER MEMBRANE PROTEIN 10-FEB-26 28OB TITLE CLOSED STATE ESCHERICHIA COLI MSCL MECHANOSENSITIVE CHANNEL IN DOPC TITLE 2 NANODISCS COMPND MOL_ID: 1; COMPND 2 MOLECULE: LARGE-CONDUCTANCE MECHANOSENSITIVE CHANNEL; COMPND 3 CHAIN: A, C, D, E, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: MSCL, YHDC, B3291, JW3252; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS MECHANOSENSITIVE, LARGE CONDUCTANCE, ION CHANNEL, MSCL, ESCHERICHIA KEYWDS 2 COLI, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR K.HARDMAN,C.PLIOTAS REVDAT 1 12-AUG-26 28OB 0 JRNL AUTH K.HARDMAN,J.L.WORT,Q.WAHEED,X.LIU,D.ARUL,S.A.PORAV, JRNL AUTH 2 A.N.CALABRESE,S.P.MUENCH,C.PLIOTAS JRNL TITL STRUCTURAL BASIS OF THE GATING MECHANISM OF THE JRNL TITL 2 LARGE-CONDUCTANCE MECHANOSENSITIVE CHANNEL FROM ESCHERICHIA JRNL TITL 3 COLI JRNL REF NAT COMM 2026 JRNL REFN JRNL DOI 10.1038/S41467-026-76193-0 REMARK 2 REMARK 2 RESOLUTION. 4.38 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOLO, EPU, CTFFIND, COOT, PHENIX, REMARK 3 CRYOSPARC, CRYOSPARC, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 4LKU REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : RIGID BODY FIT 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) : 4.380 REMARK 3 NUMBER OF PARTICLES : 52307 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 28OB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1292154306. 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 : PENTAMERIC COMPLEX OF REMARK 245 ESCHERICHIA COLI MSCL REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.00 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 : 7095 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 900.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 3000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4300.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 165000 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, D, E, 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 ASP A 63 REMARK 465 ALA A 64 REMARK 465 GLN A 65 REMARK 465 GLY A 66 REMARK 465 ASP A 67 REMARK 465 ILE A 68 REMARK 465 PRO A 69 REMARK 465 ALA A 70 REMARK 465 HIS A 137 REMARK 465 HIS A 138 REMARK 465 HIS A 139 REMARK 465 HIS A 140 REMARK 465 HIS A 141 REMARK 465 HIS A 142 REMARK 465 ASP C 63 REMARK 465 ALA C 64 REMARK 465 GLN C 65 REMARK 465 GLY C 66 REMARK 465 ASP C 67 REMARK 465 ILE C 68 REMARK 465 PRO C 69 REMARK 465 ALA C 70 REMARK 465 HIS C 137 REMARK 465 HIS C 138 REMARK 465 HIS C 139 REMARK 465 HIS C 140 REMARK 465 HIS C 141 REMARK 465 HIS C 142 REMARK 465 ASP D 63 REMARK 465 ALA D 64 REMARK 465 GLN D 65 REMARK 465 GLY D 66 REMARK 465 ASP D 67 REMARK 465 ILE D 68 REMARK 465 PRO D 69 REMARK 465 ALA D 70 REMARK 465 HIS D 137 REMARK 465 HIS D 138 REMARK 465 HIS D 139 REMARK 465 HIS D 140 REMARK 465 HIS D 141 REMARK 465 HIS D 142 REMARK 465 ASP E 63 REMARK 465 ALA E 64 REMARK 465 GLN E 65 REMARK 465 GLY E 66 REMARK 465 ASP E 67 REMARK 465 ILE E 68 REMARK 465 PRO E 69 REMARK 465 ALA E 70 REMARK 465 HIS E 137 REMARK 465 HIS E 138 REMARK 465 HIS E 139 REMARK 465 HIS E 140 REMARK 465 HIS E 141 REMARK 465 HIS E 142 REMARK 465 ASP B 63 REMARK 465 ALA B 64 REMARK 465 GLN B 65 REMARK 465 GLY B 66 REMARK 465 ASP B 67 REMARK 465 ILE B 68 REMARK 465 PRO B 69 REMARK 465 ALA B 70 REMARK 465 HIS B 137 REMARK 465 HIS B 138 REMARK 465 HIS B 139 REMARK 465 HIS B 140 REMARK 465 HIS B 141 REMARK 465 HIS B 142 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 9 ND2 ASN C 100 2.09 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 ILE A 49 -61.06 -95.00 REMARK 500 PHE A 57 55.34 -95.81 REMARK 500 HIS A 74 62.12 61.25 REMARK 500 ILE C 49 -61.07 -94.98 REMARK 500 PHE C 57 55.36 -95.82 REMARK 500 HIS C 74 62.08 61.28 REMARK 500 ILE D 49 -61.07 -94.98 REMARK 500 PHE D 57 55.32 -95.79 REMARK 500 HIS D 74 62.10 61.27 REMARK 500 ILE E 49 -61.08 -95.03 REMARK 500 PHE E 57 55.29 -95.82 REMARK 500 HIS E 74 62.10 61.20 REMARK 500 ILE B 49 -61.09 -94.99 REMARK 500 PHE B 57 55.24 -95.73 REMARK 500 HIS B 74 62.06 61.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-56665 RELATED DB: EMDB REMARK 900 CLOSED STATE ESCHERICHIA COLI MSCL MECHANOSENSITIVE CHANNEL IN DOPC REMARK 900 NANODISCS DBREF 28OB A 1 136 UNP P0A742 MSCL_ECOLI 1 136 DBREF 28OB C 1 136 UNP P0A742 MSCL_ECOLI 1 136 DBREF 28OB D 1 136 UNP P0A742 MSCL_ECOLI 1 136 DBREF 28OB E 1 136 UNP P0A742 MSCL_ECOLI 1 136 DBREF 28OB B 1 136 UNP P0A742 MSCL_ECOLI 1 136 SEQADV 28OB HIS A 137 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS A 138 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS A 139 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS A 140 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS A 141 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS A 142 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS C 137 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS C 138 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS C 139 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS C 140 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS C 141 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS C 142 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS D 137 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS D 138 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS D 139 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS D 140 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS D 141 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS D 142 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS E 137 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS E 138 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS E 139 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS E 140 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS E 141 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS E 142 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS B 137 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS B 138 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS B 139 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS B 140 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS B 141 UNP P0A742 EXPRESSION TAG SEQADV 28OB HIS B 142 UNP P0A742 EXPRESSION TAG SEQRES 1 A 142 MET SER ILE ILE LYS GLU PHE ARG GLU PHE ALA MET ARG SEQRES 2 A 142 GLY ASN VAL VAL ASP LEU ALA VAL GLY VAL ILE ILE GLY SEQRES 3 A 142 ALA ALA PHE GLY LYS ILE VAL SER SER LEU VAL ALA ASP SEQRES 4 A 142 ILE ILE MET PRO PRO LEU GLY LEU LEU ILE GLY GLY ILE SEQRES 5 A 142 ASP PHE LYS GLN PHE ALA VAL THR LEU ARG ASP ALA GLN SEQRES 6 A 142 GLY ASP ILE PRO ALA VAL VAL MET HIS TYR GLY VAL PHE SEQRES 7 A 142 ILE GLN ASN VAL PHE ASP PHE LEU ILE VAL ALA PHE ALA SEQRES 8 A 142 ILE PHE MET ALA ILE LYS LEU ILE ASN LYS LEU ASN ARG SEQRES 9 A 142 LYS LYS GLU GLU PRO ALA ALA ALA PRO ALA PRO THR LYS SEQRES 10 A 142 GLU GLU VAL LEU LEU THR GLU ILE ARG ASP LEU LEU LYS SEQRES 11 A 142 GLU GLN ASN ASN ARG SER HIS HIS HIS HIS HIS HIS SEQRES 1 C 142 MET SER ILE ILE LYS GLU PHE ARG GLU PHE ALA MET ARG SEQRES 2 C 142 GLY ASN VAL VAL ASP LEU ALA VAL GLY VAL ILE ILE GLY SEQRES 3 C 142 ALA ALA PHE GLY LYS ILE VAL SER SER LEU VAL ALA ASP SEQRES 4 C 142 ILE ILE MET PRO PRO LEU GLY LEU LEU ILE GLY GLY ILE SEQRES 5 C 142 ASP PHE LYS GLN PHE ALA VAL THR LEU ARG ASP ALA GLN SEQRES 6 C 142 GLY ASP ILE PRO ALA VAL VAL MET HIS TYR GLY VAL PHE SEQRES 7 C 142 ILE GLN ASN VAL PHE ASP PHE LEU ILE VAL ALA PHE ALA SEQRES 8 C 142 ILE PHE MET ALA ILE LYS LEU ILE ASN LYS LEU ASN ARG SEQRES 9 C 142 LYS LYS GLU GLU PRO ALA ALA ALA PRO ALA PRO THR LYS SEQRES 10 C 142 GLU GLU VAL LEU LEU THR GLU ILE ARG ASP LEU LEU LYS SEQRES 11 C 142 GLU GLN ASN ASN ARG SER HIS HIS HIS HIS HIS HIS SEQRES 1 D 142 MET SER ILE ILE LYS GLU PHE ARG GLU PHE ALA MET ARG SEQRES 2 D 142 GLY ASN VAL VAL ASP LEU ALA VAL GLY VAL ILE ILE GLY SEQRES 3 D 142 ALA ALA PHE GLY LYS ILE VAL SER SER LEU VAL ALA ASP SEQRES 4 D 142 ILE ILE MET PRO PRO LEU GLY LEU LEU ILE GLY GLY ILE SEQRES 5 D 142 ASP PHE LYS GLN PHE ALA VAL THR LEU ARG ASP ALA GLN SEQRES 6 D 142 GLY ASP ILE PRO ALA VAL VAL MET HIS TYR GLY VAL PHE SEQRES 7 D 142 ILE GLN ASN VAL PHE ASP PHE LEU ILE VAL ALA PHE ALA SEQRES 8 D 142 ILE PHE MET ALA ILE LYS LEU ILE ASN LYS LEU ASN ARG SEQRES 9 D 142 LYS LYS GLU GLU PRO ALA ALA ALA PRO ALA PRO THR LYS SEQRES 10 D 142 GLU GLU VAL LEU LEU THR GLU ILE ARG ASP LEU LEU LYS SEQRES 11 D 142 GLU GLN ASN ASN ARG SER HIS HIS HIS HIS HIS HIS SEQRES 1 E 142 MET SER ILE ILE LYS GLU PHE ARG GLU PHE ALA MET ARG SEQRES 2 E 142 GLY ASN VAL VAL ASP LEU ALA VAL GLY VAL ILE ILE GLY SEQRES 3 E 142 ALA ALA PHE GLY LYS ILE VAL SER SER LEU VAL ALA ASP SEQRES 4 E 142 ILE ILE MET PRO PRO LEU GLY LEU LEU ILE GLY GLY ILE SEQRES 5 E 142 ASP PHE LYS GLN PHE ALA VAL THR LEU ARG ASP ALA GLN SEQRES 6 E 142 GLY ASP ILE PRO ALA VAL VAL MET HIS TYR GLY VAL PHE SEQRES 7 E 142 ILE GLN ASN VAL PHE ASP PHE LEU ILE VAL ALA PHE ALA SEQRES 8 E 142 ILE PHE MET ALA ILE LYS LEU ILE ASN LYS LEU ASN ARG SEQRES 9 E 142 LYS LYS GLU GLU PRO ALA ALA ALA PRO ALA PRO THR LYS SEQRES 10 E 142 GLU GLU VAL LEU LEU THR GLU ILE ARG ASP LEU LEU LYS SEQRES 11 E 142 GLU GLN ASN ASN ARG SER HIS HIS HIS HIS HIS HIS SEQRES 1 B 142 MET SER ILE ILE LYS GLU PHE ARG GLU PHE ALA MET ARG SEQRES 2 B 142 GLY ASN VAL VAL ASP LEU ALA VAL GLY VAL ILE ILE GLY SEQRES 3 B 142 ALA ALA PHE GLY LYS ILE VAL SER SER LEU VAL ALA ASP SEQRES 4 B 142 ILE ILE MET PRO PRO LEU GLY LEU LEU ILE GLY GLY ILE SEQRES 5 B 142 ASP PHE LYS GLN PHE ALA VAL THR LEU ARG ASP ALA GLN SEQRES 6 B 142 GLY ASP ILE PRO ALA VAL VAL MET HIS TYR GLY VAL PHE SEQRES 7 B 142 ILE GLN ASN VAL PHE ASP PHE LEU ILE VAL ALA PHE ALA SEQRES 8 B 142 ILE PHE MET ALA ILE LYS LEU ILE ASN LYS LEU ASN ARG SEQRES 9 B 142 LYS LYS GLU GLU PRO ALA ALA ALA PRO ALA PRO THR LYS SEQRES 10 B 142 GLU GLU VAL LEU LEU THR GLU ILE ARG ASP LEU LEU LYS SEQRES 11 B 142 GLU GLN ASN ASN ARG SER HIS HIS HIS HIS HIS HIS HELIX 1 AA1 MET A 1 GLY A 14 1 14 HELIX 2 AA2 ASN A 15 ILE A 40 1 26 HELIX 3 AA3 ILE A 41 GLY A 50 1 10 HELIX 4 AA4 HIS A 74 LYS A 106 1 33 HELIX 5 AA5 THR A 116 ARG A 135 1 20 HELIX 6 AA6 SER C 2 GLY C 14 1 13 HELIX 7 AA7 ASN C 15 ILE C 40 1 26 HELIX 8 AA8 ILE C 41 GLY C 50 1 10 HELIX 9 AA9 HIS C 74 LYS C 106 1 33 HELIX 10 AB1 THR C 116 ARG C 135 1 20 HELIX 11 AB2 SER D 2 GLY D 14 1 13 HELIX 12 AB3 ASN D 15 ILE D 40 1 26 HELIX 13 AB4 ILE D 41 GLY D 50 1 10 HELIX 14 AB5 HIS D 74 LYS D 106 1 33 HELIX 15 AB6 THR D 116 ARG D 135 1 20 HELIX 16 AB7 SER E 2 GLY E 14 1 13 HELIX 17 AB8 ASN E 15 ILE E 40 1 26 HELIX 18 AB9 ILE E 41 GLY E 50 1 10 HELIX 19 AC1 HIS E 74 LYS E 106 1 33 HELIX 20 AC2 THR E 116 ARG E 135 1 20 HELIX 21 AC3 SER B 2 GLY B 14 1 13 HELIX 22 AC4 ASN B 15 ILE B 40 1 26 HELIX 23 AC5 ILE B 41 GLY B 50 1 10 HELIX 24 AC6 HIS B 74 LYS B 106 1 33 HELIX 25 AC7 THR B 116 ARG B 135 1 20 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 MASTER 221 0 0 25 0 0 0 6 4990 5 0 55 END