HEADER MEMBRANE PROTEIN 19-NOV-17 6BOC TITLE INFLUENZA A M2 TRANSMEMBRANE DOMAIN BOUND TO RIMANTADINE IN THE TITLE 2 INWARD(OPEN) CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: MATRIX PROTEIN 2; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: INFLUENZA A VIRUS; SOURCE 4 ORGANISM_TAXID: 11320 KEYWDS INFLUENZA M2, PROTON CHANNEL, MEMBRANE PROTEIN, RIMANTADINE EXPDTA X-RAY DIFFRACTION AUTHOR J.L.THOMASTON,W.F.DEGRADO REVDAT 4 04-OCT-23 6BOC 1 LINK REVDAT 3 01-JAN-20 6BOC 1 REMARK REVDAT 2 28-NOV-18 6BOC 1 JRNL REVDAT 1 19-SEP-18 6BOC 0 JRNL AUTH J.L.THOMASTON,N.F.POLIZZI,A.KONSTANTINIDI,J.WANG, JRNL AUTH 2 A.KOLOCOURIS,W.F.DEGRADO JRNL TITL INHIBITORS OF THE M2 PROTON CHANNEL ENGAGE AND DISRUPT JRNL TITL 2 TRANSMEMBRANE NETWORKS OF HYDROGEN-BONDED WATERS. JRNL REF J. AM. CHEM. SOC. V. 140 15219 2018 JRNL REFN ESSN 1520-5126 JRNL PMID 30165017 JRNL DOI 10.1021/JACS.8B06741 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1_2575: ???) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.05 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 7886 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.263 REMARK 3 R VALUE (WORKING SET) : 0.260 REMARK 3 FREE R VALUE : 0.282 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.230 REMARK 3 FREE R VALUE TEST SET COUNT : 807 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 34.0538 - 4.0866 0.99 1245 150 0.2850 0.2909 REMARK 3 2 4.0866 - 3.2444 1.00 1207 142 0.2604 0.3101 REMARK 3 3 3.2444 - 2.8346 0.98 1141 127 0.2368 0.2160 REMARK 3 4 2.8346 - 2.5755 0.98 1189 136 0.2174 0.2521 REMARK 3 5 2.5755 - 2.3909 0.97 1146 132 0.2525 0.2681 REMARK 3 6 2.3909 - 2.2500 0.96 1151 120 0.2793 0.3627 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.340 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.590 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 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 : 0.028 822 REMARK 3 ANGLE : 1.295 1132 REMARK 3 CHIRALITY : 0.499 158 REMARK 3 PLANARITY : 0.008 124 REMARK 3 DIHEDRAL : 25.746 276 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 6BOC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-17. REMARK 100 THE DEPOSITION ID IS D_1000231199. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-DEC-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.5 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) : 1.1158 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 : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7894 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 36.040 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.20300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.46300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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: 4QKM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.18 M LISO4, 4% V/V 1,3-BUTANEDIOL, REMARK 280 0.09 M SODIUM CITRATE PH 3.5, 25.2% V/V PEG 400, RIMANTADINE, REMARK 280 MONOOLEIN, LIPIDIC CUBIC PHASE, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z 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 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7150 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 C 210 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 202 O HOH A 202 2556 1.89 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 C 210 DISTANCE = 8.95 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA C 102 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 22 O REMARK 620 2 HOH A 202 O 92.3 REMARK 620 3 SER B 22 O 78.4 88.6 REMARK 620 4 SER C 22 O 165.4 98.9 92.5 REMARK 620 5 SER D 22 O 91.9 105.6 163.2 94.0 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EU7 A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue RIM C 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA C 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE B 21 and SER B REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide LEU B 46 and NH2 B REMARK 800 47 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE C 21 and SER C REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide LEU C 46 and NH2 C REMARK 800 47 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide ACE D 21 and SER D REMARK 800 22 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide LEU D 46 and NH2 D REMARK 800 47 DBREF 6BOC A 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BOC B 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BOC C 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 DBREF 6BOC D 22 46 UNP Q20MD5 Q20MD5_I72A8 22 46 SEQADV 6BOC ACE A 21 UNP Q20MD5 ACETYLATION SEQADV 6BOC NH2 A 47 UNP Q20MD5 AMIDATION SEQADV 6BOC ACE B 21 UNP Q20MD5 ACETYLATION SEQADV 6BOC NH2 B 47 UNP Q20MD5 AMIDATION SEQADV 6BOC ACE C 21 UNP Q20MD5 ACETYLATION SEQADV 6BOC NH2 C 47 UNP Q20MD5 AMIDATION SEQADV 6BOC ACE D 21 UNP Q20MD5 ACETYLATION SEQADV 6BOC NH2 D 47 UNP Q20MD5 AMIDATION SEQRES 1 A 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 A 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 A 27 NH2 SEQRES 1 B 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 B 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 B 27 NH2 SEQRES 1 C 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 C 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 C 27 NH2 SEQRES 1 D 27 ACE SER SER ASP PRO LEU VAL VAL ALA ALA SER ILE ILE SEQRES 2 D 27 GLY ILE LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU SEQRES 3 D 27 NH2 HET ACE A 21 3 HET NH2 A 47 1 HET ACE B 21 3 HET NH2 B 47 1 HET ACE C 21 3 HET NH2 C 47 1 HET ACE D 21 3 HET NH2 D 47 1 HET CL A 101 1 HET EU7 A 102 13 HET RIM C 101 13 HET NA C 102 1 HETNAM ACE ACETYL GROUP HETNAM NH2 AMINO GROUP HETNAM CL CHLORIDE ION HETNAM EU7 (1S)-1-[(3R,5R,7R)-TRICYCLO[3.3.1.1~3,7~]DECAN-1- HETNAM 2 EU7 YL]ETHAN-1-AMINE HETNAM RIM RIMANTADINE HETNAM NA SODIUM ION HETSYN EU7 S-RIMANTADINE HETSYN RIM 1-(1-ADAMANTYL)ETHANAMINE FORMUL 1 ACE 4(C2 H4 O) FORMUL 1 NH2 4(H2 N) FORMUL 5 CL CL 1- FORMUL 6 EU7 C12 H21 N FORMUL 7 RIM C12 H21 N FORMUL 8 NA NA 1+ FORMUL 9 HOH *37(H2 O) HELIX 1 AA1 ASP A 24 ASP A 44 1 21 HELIX 2 AA2 ASP B 24 ASP B 44 1 21 HELIX 3 AA3 ASP C 24 LEU C 46 1 23 HELIX 4 AA4 ASP D 24 ASP D 44 1 21 LINK C ACE A 21 N SER A 22 1555 1555 1.29 LINK C LEU A 46 N NH2 A 47 1555 1555 1.32 LINK C ACE B 21 N SER B 22 1555 1555 1.32 LINK C LEU B 46 N NH2 B 47 1555 1555 1.32 LINK C ACE C 21 N SER C 22 1555 1555 1.33 LINK C LEU C 46 N NH2 C 47 1555 1555 1.32 LINK C ACE D 21 N SER D 22 1555 1555 1.31 LINK C LEU D 46 N NH2 D 47 1555 1555 1.32 LINK O SER A 22 NA NA C 102 1555 1555 2.40 LINK O HOH A 202 NA NA C 102 1555 1555 2.97 LINK O SER B 22 NA NA C 102 1555 1555 2.64 LINK O SER C 22 NA NA C 102 1555 1555 2.06 LINK NA NA C 102 O SER D 22 1555 1555 1.99 SITE 1 AC1 7 SER A 23 SER B 22 SER B 23 SER C 22 SITE 2 AC1 7 SER C 23 NA C 102 SER D 23 SITE 1 AC2 7 SER A 31 ALA C 30 SER C 31 RIM C 101 SITE 2 AC2 7 HOH C 201 SER D 31 HOH D 102 SITE 1 AC3 7 SER A 31 EU7 A 102 HOH B 102 ALA C 30 SITE 2 AC3 7 SER C 31 HOH C 201 SER D 31 SITE 1 AC4 6 SER A 22 CL A 101 HOH A 202 SER B 22 SITE 2 AC4 6 SER C 22 SER D 22 SITE 1 AC5 8 SER A 22 SER A 23 ASP A 24 CL A 101 SITE 2 AC5 8 HOH A 202 SER B 23 SER C 22 NA C 102 SITE 1 AC6 5 ILE B 42 LEU B 43 ARG B 45 HOH B 101 SITE 2 AC6 5 ARG D 45 SITE 1 AC7 8 CL A 101 SER B 22 SER B 23 ASP B 24 SITE 2 AC7 8 SER C 23 NA C 102 ACE D 21 SER D 22 SITE 1 AC8 5 ARG A 45 ILE C 42 LEU C 43 ASP C 44 SITE 2 AC8 5 ARG C 45 SITE 1 AC9 8 ACE A 21 SER A 22 HOH A 202 SER C 22 SITE 2 AC9 8 SER C 23 ASP C 24 NA C 102 SER D 23 SITE 1 AD1 6 ARG B 45 ILE D 42 LEU D 43 ASP D 44 SITE 2 AD1 6 ARG D 45 HOH D 101 CRYST1 34.050 34.020 72.090 90.00 90.23 90.00 P 1 2 1 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 0.029368 0.000000 0.000118 0.00000 SCALE2 0.000000 0.029394 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013872 0.00000 HETATM 1 C ACE A 21 0.972 -39.762 33.557 1.00 49.14 C HETATM 2 O ACE A 21 -0.165 -39.447 33.920 1.00 56.98 O HETATM 3 CH3 ACE A 21 1.997 -38.844 32.983 1.00 40.79 C