PDB Short entry for 1BUN HEADER TOXIN 15-OCT-95 1BUN TITLE STRUCTURE OF BETA2-BUNGAROTOXIN: POTASSIUM CHANNEL BINDING TITLE 2 BY KUNITZ MODULES AND TARGETED PHOSPHOLIPASE ACTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA2-BUNGAROTOXIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDE ACYL-HYDROLASE, PHOSPHATIDYLCHOLINE 2- COMPND 5 ACYLHYDROLASE; COMPND 6 EC: 3.1.1.4; COMPND 7 OTHER_DETAILS: NUMEROUS NATURAL ISOFORMS, THIS IS THE COMPND 8 BETA2 ISOFORM; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: BETA2-BUNGAROTOXIN; COMPND 11 CHAIN: B; COMPND 12 SYNONYM: PHOSPHATIDE ACYL-HYDROLASE, PHOSPHATIDYLCHOLINE 2- COMPND 13 ACYLHYDROLASE; COMPND 14 EC: 3.1.1.4; COMPND 15 OTHER_DETAILS: NUMEROUS NATURAL ISOFORMS, THIS IS THE COMPND 16 BETA2 ISOFORM SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BUNGARUS MULTICINCTUS; SOURCE 3 ORGANISM_COMMON: MANY-BANDED KRAIT; SOURCE 4 ORGANISM_TAXID: 8616; SOURCE 5 TISSUE: VENOM; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: BUNGARUS MULTICINCTUS; SOURCE 8 ORGANISM_COMMON: MANY-BANDED KRAIT; SOURCE 9 ORGANISM_TAXID: 8616; SOURCE 10 TISSUE: VENOM KEYWDS HYDROLASE, PRESYNAPTIC NEUROTOXIN EXPDTA X-RAY DIFFRACTION AUTHOR P.D.KWONG,N.Q.MCDONALD,P.B.SIGLER,W.A.HENDRICKSON REVDAT 2 24-FEB-09 1BUN 1 VERSN REVDAT 1 03-APR-96 1BUN 0 JRNL AUTH P.D.KWONG,N.Q.MCDONALD,P.B.SIGLER,W.A.HENDRICKSON JRNL TITL STRUCTURE OF BETA 2-BUNGAROTOXIN: POTASSIUM JRNL TITL 2 CHANNEL BINDING BY KUNITZ MODULES AND TARGETED JRNL TITL 3 PHOSPHOLIPASE ACTION. JRNL REF STRUCTURE V. 3 1109 1995 JRNL REFN ISSN 0969-2126 JRNL PMID 8590005 JRNL DOI 10.1016/S0969-2126(01)00246-5 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 7817 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.281 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1440 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 81 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 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 1BUN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-92 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XUONG-HAMLIN MULTIWIRE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9372 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.450 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 200 DATA REDUNDANCY : 3.250 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 88.75000 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 133.12500 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 44.37500 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 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 88.75000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 44.37500 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 133.12500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 129 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 71 LIES ON A SPECIAL POSITION. 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 LYS A 57 -83.65 -86.93 REMARK 500 ALA A 83 76.23 -48.03 REMARK 500 ILE A 113 154.27 -43.46 REMARK 500 CYS B 7 -18.42 -49.20 REMARK 500 GLN B 17 -177.65 -171.86 REMARK 500 SER B 28 25.71 -76.23 REMARK 500 ALA B 29 -0.25 -158.64 REMARK 500 HIS B 46 118.91 -168.94 REMARK 500 REMARK 500 REMARK: NULL 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 A 121 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 32 O REMARK 620 2 TYR A 28 O 88.0 REMARK 620 3 GLY A 30 O 106.2 85.7 REMARK 620 4 ASP A 49 OD2 89.5 100.0 163.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 122 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 105 O REMARK 620 2 ASP A 39 OD2 120.1 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 121 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 122 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE NUMBERING IS REMARK 999 1 - 120 (A) FOR THE PHOSPHOLIPASE REMARK 999 1 - 61 (B) FOR THE KUNITZ MODULE DBREF 1BUN A 1 120 UNP P00617 PA21B_BUNMU 1 120 DBREF 1BUN B 1 61 UNP P00989 IVB2_BUNMU 25 85 SEQADV 1BUN GLN A 66 UNP P00617 SER 66 CONFLICT SEQADV 1BUN SER A 67 UNP P00617 GLN 67 CONFLICT SEQADV 1BUN ALA A 87 UNP P00617 GLY 87 CONFLICT SEQADV 1BUN ASN A 103 UNP P00617 GLN 103 CONFLICT SEQADV 1BUN GLU A 105 UNP P00617 ASP 105 CONFLICT SEQRES 1 A 120 ASN LEU ILE ASN PHE MET GLU MET ILE ARG TYR THR ILE SEQRES 2 A 120 PRO CYS GLU LYS THR TRP GLY GLU TYR ALA ASP TYR GLY SEQRES 3 A 120 CYS TYR CYS GLY ALA GLY GLY SER GLY ARG PRO ILE ASP SEQRES 4 A 120 ALA LEU ASP ARG CYS CYS TYR VAL HIS ASP ASN CYS TYR SEQRES 5 A 120 GLY ASP ALA GLU LYS LYS HIS LYS CYS ASN PRO LYS THR SEQRES 6 A 120 GLN SER TYR SER TYR LYS LEU THR LYS ARG THR ILE ILE SEQRES 7 A 120 CYS TYR GLY ALA ALA GLY THR CYS ALA ARG ILE VAL CYS SEQRES 8 A 120 ASP CYS ASP ARG THR ALA ALA LEU CYS PHE GLY ASN SER SEQRES 9 A 120 GLU TYR ILE GLU GLY HIS LYS ASN ILE ASP THR ALA ARG SEQRES 10 A 120 PHE CYS GLN SEQRES 1 B 61 ARG LYS ARG HIS PRO ASP CYS ASP LYS PRO PRO ASP THR SEQRES 2 B 61 LYS ILE CYS GLN THR VAL VAL ARG ALA PHE TYR TYR LYS SEQRES 3 B 61 PRO SER ALA LYS ARG CYS VAL GLN PHE ARG TYR GLY GLY SEQRES 4 B 61 CYS ASN GLY ASN GLY ASN HIS PHE LYS SER ASP HIS LEU SEQRES 5 B 61 CYS ARG CYS GLU CYS LEU GLU TYR ARG HET NA A 121 1 HET NA A 122 1 HETNAM NA SODIUM ION FORMUL 3 NA 2(NA 1+) FORMUL 5 HOH *81(H2 O) HELIX 1 1 LEU A 2 ARG A 10 1 9 HELIX 2 2 TRP A 19 ALA A 23 5 5 HELIX 3 3 ALA A 40 GLU A 56 1 17 HELIX 4 4 CYS A 86 ASN A 103 1 18 HELIX 5 5 GLU A 108 HIS A 110 5 3 HELIX 6 6 THR A 115 PHE A 118 1 4 HELIX 7 7 PRO B 27 ALA B 29 5 3 HELIX 8 8 ASP B 50 CYS B 57 1 8 SHEET 1 A 2 TYR A 70 THR A 73 0 SHEET 2 A 2 THR A 76 CYS A 79 -1 N ILE A 78 O LYS A 71 SHEET 1 B 2 VAL B 20 LYS B 26 0 SHEET 2 B 2 ARG B 31 TYR B 37 -1 N TYR B 37 O VAL B 20 SSBOND 1 CYS A 15 CYS B 55 1555 1555 2.02 SSBOND 2 CYS A 27 CYS A 119 1555 1555 2.04 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 100 1555 1555 2.01 SSBOND 5 CYS A 51 CYS A 93 1555 1555 2.02 SSBOND 6 CYS A 61 CYS A 86 1555 1555 2.03 SSBOND 7 CYS A 79 CYS A 91 1555 1555 2.03 SSBOND 8 CYS B 7 CYS B 57 1555 1555 2.01 SSBOND 9 CYS B 16 CYS B 40 1555 1555 2.02 SSBOND 10 CYS B 32 CYS B 53 1555 1555 2.02 LINK NA NA A 121 O GLY A 32 1555 1555 2.27 LINK NA NA A 121 O TYR A 28 1555 1555 2.54 LINK NA NA A 121 O GLY A 30 1555 1555 2.32 LINK NA NA A 121 OD2 ASP A 49 1555 1555 2.53 LINK NA NA A 122 O GLU A 105 1555 1555 2.57 LINK OD2 ASP A 39 NA NA A 122 1555 1555 2.77 SITE 1 AC1 4 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 1 AC2 4 ASP A 39 ALA A 40 LEU A 41 GLU A 105 CRYST1 52.600 52.600 177.500 90.00 90.00 90.00 P 43 2 2 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 0.019011 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019011 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005634 0.00000