HEADER MEMBRANE PROTEIN 15-NOV-05 2F2B TITLE CRYSTAL STRUCTURE OF INTEGRAL MEMBRANE PROTEIN AQUAPORIN AQPM AT 1.68A TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: AQUAPORIN AQPM; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOTHERMOBACTER MARBURGENSIS STR. MARBURG; SOURCE 3 ORGANISM_TAXID: 79929; SOURCE 4 STRAIN: MARBURG / DSM 2133; SOURCE 5 GENE: AQPM; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PTRCA KEYWDS PROTEIN, INTEGRAL MEMBRANE PROTEIN, CHANNEL, STRUCTURAL GENOMICS, KEYWDS 2 PSI-2, PROTEIN STRUCTURE INITIATIVE, CENTER FOR STRUCTURES OF KEYWDS 3 MEMBRANE PROTEINS, CSMP, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.K.LEE,D.KOZONO,J.REMIS,Y.KITAGAWA,P.AGRE,R.M.STROUD,CENTER FOR AUTHOR 2 STRUCTURES OF MEMBRANE PROTEINS (CSMP) REVDAT 5 13-JUL-11 2F2B 1 VERSN REVDAT 4 24-FEB-09 2F2B 1 VERSN REVDAT 3 19-AUG-08 2F2B 1 AUTHOR REVDAT 2 27-DEC-05 2F2B 1 JRNL REVDAT 1 06-DEC-05 2F2B 0 JRNL AUTH J.K.LEE,D.KOZONO,J.REMIS,Y.KITAGAWA,P.AGRE,R.M.STROUD JRNL TITL STRUCTURAL BASIS FOR CONDUCTANCE BY THE ARCHAEAL AQUAPORIN JRNL TITL 2 AQPM AT 1.68 A. JRNL REF PROC.NATL.ACAD.SCI.USA V. 102 18932 2005 JRNL REFN ISSN 0027-8424 JRNL PMID 16361443 JRNL DOI 10.1073/PNAS.0509469102 REMARK 2 REMARK 2 RESOLUTION. 1.68 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.68 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 34031 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1665 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.68 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.79 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 0.83 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE : 0.3020 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 275 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1780 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 129 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.30 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.02 REMARK 3 ESD FROM SIGMAA (A) : 0.02 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.02 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.02 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : 1.10 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.81 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2F2B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-NOV-05. REMARK 100 THE RCSB ID CODE IS RCSB035364. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-05 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : KOHZU: DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : KOHZU: DOUBLE CRYSTAL SI(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34031 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.680 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 9.100 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.68 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.7 REMARK 200 DATA REDUNDANCY IN SHELL : 7.90 REMARK 200 R MERGE FOR SHELL (I) : 0.59000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.300 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: PDB ENTRY 2EVU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000 23%, 200 MM MGCL2, 10% REMARK 280 GLYCEROL, TRIS PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 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 44.25650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 44.25650 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 39.97350 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 44.25650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.25650 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 39.97350 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 44.25650 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 44.25650 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 39.97350 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 44.25650 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 44.25650 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 39.97350 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TETRAMER GENERATED FROM THE REMARK 300 MONOMER IN THE ASYMMETRIC UNIT 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 15360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27590 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -152.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 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 GLU A 246 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 76 -64.13 -102.53 REMARK 500 ILE A 81 34.08 38.58 REMARK 500 ASN A 82 115.03 -164.06 REMARK 500 LEU A 198 9.71 59.56 REMARK 500 REMARK 500 REMARK: NULL 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 602 DISTANCE = 6.32 ANGSTROMS REMARK 525 HOH A 606 DISTANCE = 5.19 ANGSTROMS REMARK 525 HOH A 608 DISTANCE = 5.90 ANGSTROMS REMARK 525 HOH A 609 DISTANCE = 5.18 ANGSTROMS REMARK 525 HOH A 616 DISTANCE = 5.92 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2EVU RELATED DB: PDB REMARK 900 LOWER RESOLUTION STRUCTURE OF SAME PROTEIN DBREF 2F2B A 1 246 UNP Q9C4Z5 AQPM_METTM 1 246 SEQRES 1 A 246 MET VAL SER LEU THR LYS ARG CYS ILE ALA GLU PHE ILE SEQRES 2 A 246 GLY THR PHE ILE LEU VAL PHE PHE GLY ALA GLY SER ALA SEQRES 3 A 246 ALA VAL THR LEU MET ILE ALA SER GLY GLY THR SER PRO SEQRES 4 A 246 ASN PRO PHE ASN ILE GLY ILE GLY LEU LEU GLY GLY LEU SEQRES 5 A 246 GLY ASP TRP VAL ALA ILE GLY LEU ALA PHE GLY PHE ALA SEQRES 6 A 246 ILE ALA ALA SER ILE TYR ALA LEU GLY ASN ILE SER GLY SEQRES 7 A 246 CYS HIS ILE ASN PRO ALA VAL THR ILE GLY LEU TRP SER SEQRES 8 A 246 VAL LYS LYS PHE PRO GLY ARG GLU VAL VAL PRO TYR ILE SEQRES 9 A 246 ILE ALA GLN LEU LEU GLY ALA ALA PHE GLY SER PHE ILE SEQRES 10 A 246 PHE LEU GLN CYS ALA GLY ILE GLY ALA ALA THR VAL GLY SEQRES 11 A 246 GLY LEU GLY ALA THR ALA PRO PHE PRO GLY ILE SER TYR SEQRES 12 A 246 TRP GLN ALA MET LEU ALA GLU VAL VAL GLY THR PHE LEU SEQRES 13 A 246 LEU MET ILE THR ILE MET GLY ILE ALA VAL ASP GLU ARG SEQRES 14 A 246 ALA PRO LYS GLY PHE ALA GLY ILE ILE ILE GLY LEU THR SEQRES 15 A 246 VAL ALA GLY ILE ILE THR THR LEU GLY ASN ILE SER GLY SEQRES 16 A 246 SER SER LEU ASN PRO ALA ARG THR PHE GLY PRO TYR LEU SEQRES 17 A 246 ASN ASP MET ILE PHE ALA GLY THR ASP LEU TRP ASN TYR SEQRES 18 A 246 TYR SER ILE TYR VAL ILE GLY PRO ILE VAL GLY ALA VAL SEQRES 19 A 246 LEU ALA ALA LEU THR TYR GLN TYR LEU THR SER GLU HET GOL A 501 6 HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 GOL C3 H8 O3 FORMUL 3 HOH *129(H2 O) HELIX 1 1 SER A 3 SER A 34 1 32 HELIX 2 2 GLY A 51 GLY A 74 1 24 HELIX 3 3 ASN A 82 VAL A 92 1 11 HELIX 4 4 PRO A 96 ARG A 98 5 3 HELIX 5 5 GLU A 99 GLY A 123 1 25 HELIX 6 6 ILE A 124 VAL A 129 1 6 HELIX 7 7 GLY A 130 ALA A 134 5 5 HELIX 8 8 SER A 142 ALA A 165 1 24 HELIX 9 9 PHE A 174 GLY A 195 1 22 HELIX 10 10 ASN A 199 GLY A 215 1 17 HELIX 11 11 LEU A 218 TYR A 222 5 5 HELIX 12 12 SER A 223 THR A 244 1 22 SITE 1 AC1 8 LEU A 18 ILE A 66 ASN A 82 VAL A 85 SITE 2 AC1 8 LEU A 157 ASN A 199 HOH A 504 HOH A 505 CRYST1 88.513 88.513 79.947 90.00 90.00 90.00 I 4 8 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 0.011298 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011298 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012508 0.00000