HEADER RETINOL TRANSPORT 28-JUL-97 1AQB TITLE RETINOL-BINDING PROTEIN (RBP) FROM PIG PLASMA COMPND MOL_ID: 1; COMPND 2 MOLECULE: RETINOL-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RBP SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA DOMESTICA; SOURCE 3 ORGANISM_COMMON: DOMESTIC PIG; SOURCE 4 ORGANISM_TAXID: 9825; SOURCE 5 STRAIN: DOMESTICA; SOURCE 6 CELLULAR_LOCATION: PLASMA KEYWDS RETINOL TRANSPORT, RETINOIDS, VITAMIN A, CADMIUM ION EXPDTA X-RAY DIFFRACTION AUTHOR G.ZANOTTI,M.PANZALORTO,A.MARCATO,G.MALPELI,C.FOLLI,R.BERNI REVDAT 6 20-NOV-24 1AQB 1 REMARK REVDAT 5 02-AUG-23 1AQB 1 REMARK LINK REVDAT 4 04-APR-18 1AQB 1 REMARK REVDAT 3 24-FEB-09 1AQB 1 VERSN REVDAT 2 01-APR-03 1AQB 1 JRNL REVDAT 1 28-JAN-98 1AQB 0 JRNL AUTH G.ZANOTTI,M.PANZALORTO,A.MARCATO,G.MALPELI,C.FOLLI,R.BERNI JRNL TITL STRUCTURE OF PIG PLASMA RETINOL-BINDING PROTEIN AT 1.65 A JRNL TITL 2 RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 54 1049 1998 JRNL REFN ISSN 0907-4449 JRNL PMID 9757135 JRNL DOI 10.1107/S0907444998002303 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.ZANOTTI,R.BERNI,H.L.MONACO REMARK 1 TITL CRYSTAL STRUCTURE OF LIGANDED AND UNLIGANDED FORMS OF BOVINE REMARK 1 TITL 2 PLASMA RETINOL-BINDING PROTEIN REMARK 1 REF J.BIOL.CHEM. V. 268 10728 1993 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH G.ZANOTTI,S.OTTONELLO,R.BERNI,H.L.MONACO REMARK 1 TITL CRYSTAL STRUCTURE OF THE TRIGONAL FORM OF HUMAN PLASMA REMARK 1 TITL 2 RETINOL-BINDING PROTEIN AT 2.5 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 230 613 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-93 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.5 REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : EVERY 20TH REFLECTION REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.194 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.184 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1001 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 20090 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.165 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.157 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 4.500 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 895 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 16680 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1424 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 124 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 6284.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 5272.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 3 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 6308 REMARK 3 NUMBER OF RESTRAINTS : 5678 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.030 REMARK 3 ANGLE DISTANCES (A) : 0.030 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.030 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.200 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.200 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.200 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.010 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.000 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NO RESTRAINTS WERE APPLIED ON THE REMARK 3 PLANARITY OF RETINOL MOLECULE REMARK 4 REMARK 4 1AQB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171125. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-96 REMARK 200 TEMPERATURE (KELVIN) : 300 REMARK 200 PH : 6.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : MACSCIENCE M18X REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SAINT REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20127 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 55.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : 0.06400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 56.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.19000 REMARK 200 R SYM FOR SHELL (I) : 0.19000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SHELXL-93, X-PLOR REMARK 200 STARTING MODEL: 1HBP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SITTING DROP VAPOR DIFFUSION METHOD, REMARK 280 AT A FINAL PROTEIN CONCENTRATION OF 8 MG/ML IN THE PRESENCE OF 8% REMARK 280 2-METHYL-2,4-PENTANEDIOL, 3 MM CADMIUM ACETATE, 0.1 M TRIS- REMARK 280 ACETATE, PH=6.8, VAPOR DIFFUSION - SITTING DROP, PH 6.8, VAPOR REMARK 280 DIFFUSION, SITTING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-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 22.90500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.48300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.56850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.48300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.90500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.56850 REMARK 290 SMTRY3 4 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: 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 GLY A 176 REMARK 465 LYS A 177 REMARK 465 SER A 178 REMARK 465 GLU A 179 REMARK 465 ARG A 180 REMARK 465 ASN A 181 REMARK 465 ILE A 182 REMARK 465 LEU A 183 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 NE2 GLN A 154 OE2 GLU A 158 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 21 CB SER A 21 OG -0.280 REMARK 500 GLU A 44 CD GLU A 44 OE1 0.076 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 ASN A 66 3.60 91.25 REMARK 500 TYR A 111 -29.43 68.02 REMARK 500 THR A 113 -49.09 -132.20 REMARK 500 CYS A 160 33.14 71.23 REMARK 500 ASN A 171 34.48 -140.90 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 5 0.11 SIDE CHAIN REMARK 500 ARG A 10 0.12 SIDE CHAIN REMARK 500 ARG A 62 0.09 SIDE CHAIN REMARK 500 ARG A 153 0.28 SIDE CHAIN REMARK 500 ARG A 155 0.14 SIDE CHAIN 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 CD A 184 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 33 OE1 REMARK 620 2 GLU A 33 OE2 53.2 REMARK 620 3 ASP A 140 OD1 135.1 162.3 REMARK 620 4 ASP A 140 OD2 82.2 131.2 52.9 REMARK 620 5 HIS A 142 ND1 134.8 86.3 89.6 142.0 REMARK 620 6 HOH A 350 O 96.2 79.2 84.0 88.2 94.5 REMARK 620 7 HOH A 351 O 73.7 94.8 102.6 89.8 93.1 169.9 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 184 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RTL A 185 DBREF 1AQB A 1 183 UNP P27485 RETBP_PIG 19 201 SEQRES 1 A 183 GLU ARG ASP CYS ARG VAL SER SER PHE ARG VAL LYS GLU SEQRES 2 A 183 ASN PHE ASP LYS ALA ARG PHE SER GLY THR TRP TYR ALA SEQRES 3 A 183 MET ALA LYS LYS ASP PRO GLU GLY LEU PHE LEU GLN ASP SEQRES 4 A 183 ASN ILE VAL ALA GLU PHE SER VAL ASP GLU ASN GLY HIS SEQRES 5 A 183 MET SER ALA THR ALA LYS GLY ARG VAL ARG LEU LEU ASN SEQRES 6 A 183 ASN TRP ASP VAL CYS ALA ASP MET VAL GLY THR PHE THR SEQRES 7 A 183 ASP THR GLU ASP PRO ALA LYS PHE LYS MET LYS TYR TRP SEQRES 8 A 183 GLY VAL ALA SER PHE LEU GLN LYS GLY ASN ASP ASP HIS SEQRES 9 A 183 TRP ILE ILE ASP THR ASP TYR ASP THR TYR ALA VAL GLN SEQRES 10 A 183 TYR SER CYS ARG LEU GLN ASN LEU ASP GLY THR CYS ALA SEQRES 11 A 183 ASP SER TYR SER PHE VAL PHE ALA ARG ASP PRO HIS GLY SEQRES 12 A 183 PHE SER PRO GLU VAL GLN LYS ILE VAL ARG GLN ARG GLN SEQRES 13 A 183 GLU GLU LEU CYS LEU ALA ARG GLN TYR ARG ILE ILE THR SEQRES 14 A 183 HIS ASN GLY TYR CYS ASP GLY LYS SER GLU ARG ASN ILE SEQRES 15 A 183 LEU HET CD A 184 1 HET RTL A 185 21 HETNAM CD CADMIUM ION HETNAM RTL RETINOL FORMUL 2 CD CD 2+ FORMUL 3 RTL C20 H30 O FORMUL 4 HOH *124(H2 O) HELIX 1 1 VAL A 6 SER A 8 4 3 HELIX 2 2 PRO A 146 GLU A 158 1 13 SHEET 1 S1 9 GLY A 22 LYS A 30 0 SHEET 2 S1 9 ASP A 39 ASP A 48 -1 O ILE A 41 N ALA A 26 SHEET 3 S1 9 HIS A 52 LEU A 63 -1 O HIS A 52 N ASP A 48 SHEET 4 S1 9 TRP A 67 THR A 78 -1 O TRP A 67 N LEU A 63 SHEET 5 S1 9 LYS A 85 GLY A 92 -1 N LYS A 87 O THR A 78 SHEET 6 S1 9 LYS A 99 ASP A 110 -1 N GLY A 100 O TYR A 90 SHEET 7 S1 9 TYR A 114 ASN A 124 -1 O TYR A 114 N ASP A 110 SHEET 8 S1 9 CYS A 129 ARG A 139 -1 N ALA A 130 O LEU A 122 SHEET 9 S1 9 GLY A 22 LYS A 30 -1 N TYR A 25 O ALA A 138 SSBOND 1 CYS A 4 CYS A 160 1555 1555 2.03 SSBOND 2 CYS A 70 CYS A 174 1555 1555 2.03 SSBOND 3 CYS A 120 CYS A 129 1555 1555 2.02 LINK OE1 GLU A 33 CD CD A 184 3554 1555 2.35 LINK OE2 GLU A 33 CD CD A 184 3554 1555 2.49 LINK OD1 ASP A 140 CD CD A 184 1555 1555 2.40 LINK OD2 ASP A 140 CD CD A 184 1555 1555 2.52 LINK ND1 HIS A 142 CD CD A 184 1555 1555 2.35 LINK CD CD A 184 O HOH A 350 1555 3554 2.31 LINK CD CD A 184 O HOH A 351 1555 3554 2.38 SITE 1 AC1 5 GLU A 33 ASP A 140 HIS A 142 HOH A 350 SITE 2 AC1 5 HOH A 351 SITE 1 AC2 6 LEU A 35 MET A 88 LEU A 97 GLN A 98 SITE 2 AC2 6 PHE A 135 HOH A 387 CRYST1 45.810 53.137 72.966 90.00 90.00 90.00 P 21 21 21 4 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 0.021829 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018819 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013705 0.00000