HEADER TRANSFERASE ACTIVATOR/TRANSFERASE 19-DEC-02 1NHE TITLE CRYSTAL STRUCTURE OF LACTOSE SYNTHASE COMPLEX WITH UDP COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-LACTALBUMIN; COMPND 3 CHAIN: A, C; COMPND 4 FRAGMENT: REGULATORY SUBUNIT OF LACTOSE SYNTHASE; COMPND 5 SYNONYM: LACTALBUMIN, ALPHA; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: CHAINS A AND B FORM FIRST, C AND D SECOND LACTOSE COMPND 8 SYNTHASE COMPLEX; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: BETA-1,4-GALACTOSYLTRANSFERASE; COMPND 11 CHAIN: B, D; COMPND 12 FRAGMENT: CATALYTIC DOMAIN, RESIDUES 130-402; COMPND 13 SYNONYM: B4GAL-T1; BETA4GAL-T1; BETA-1,4-GALTASE 1; BETA-1,4- COMPND 14 GALACTOSYLTRANSFERASE 1; UDP-GALACTOSE:BETA-N-ACETYLGLUCOSAMINE BETA- COMPND 15 1,4-GALACTOSYLTRANSFERASE 1; COMPND 16 EC: 2.4.1.22, 2.4.1.90, 2.4.1.38; COMPND 17 ENGINEERED: YES; COMPND 18 OTHER_DETAILS: CHAINS A AND B FORM FIRST, C AND D SECOND LACTOSE COMPND 19 SYNTHASE COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET17A; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 12 ORGANISM_COMMON: CATTLE; SOURCE 13 ORGANISM_TAXID: 9913; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PET; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PET23A KEYWDS LACTOSE SYNTHASE, MAD METHODS, TRANSFERASE ACTIVATOR-TRANSFERASE KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.RAMAKRISHNAN,P.K.QASBA REVDAT 3 30-OCT-24 1NHE 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1NHE 1 VERSN REVDAT 1 07-JAN-03 1NHE 0 SPRSDE 07-JAN-03 1NHE 1J94 JRNL AUTH B.RAMAKRISHNAN,P.K.QASBA JRNL TITL CRYSTAL STRUCTURE OF LACTOSE SYNTHASE REVEALS A LARGE JRNL TITL 2 CONFORMATIONAL CHANGE IN ITS CATALYTIC COMPONENT, THE JRNL TITL 3 BETA-1,4-GALACTOSYLTRANSFERASE JRNL REF J.MOL.BIOL. V. 310 205 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11419947 JRNL DOI 10.1006/JMBI.2001.4757 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.90 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) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 36774 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) : 0.197 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3686 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5430 REMARK 3 BIN R VALUE (WORKING SET) : 0.2950 REMARK 3 BIN FREE R VALUE : 0.3530 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 626 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6394 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 78 REMARK 3 SOLVENT ATOMS : 331 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 50.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 13.26000 REMARK 3 B22 (A**2) : 1.54000 REMARK 3 B33 (A**2) : -14.80000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 6.23000 REMARK 3 B23 (A**2) : 0.00000 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) : 0.39 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.44 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.980 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.470 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.500 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.200 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.280 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 39.40 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER.PARAM REMARK 3 PARAMETER FILE 4 : UDP_PG.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : UDP_PG.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1NHE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-DEC-02. REMARK 100 THE DEPOSITION ID IS D_1000017874. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JUN-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97894, 0.97855,0.96334 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36774 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05400 REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 71.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.36000 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE, DM REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, PEG 4000, PH 5.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 49.50650 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 ALA B 117 REMARK 465 SER B 118 REMARK 465 MSE B 119 REMARK 465 THR B 120 REMARK 465 GLY B 121 REMARK 465 GLY B 122 REMARK 465 GLN B 123 REMARK 465 GLN B 124 REMARK 465 MSE B 125 REMARK 465 GLY B 126 REMARK 465 ARG B 127 REMARK 465 GLY B 128 REMARK 465 SER B 129 REMARK 465 SER B 130 REMARK 465 ALA D 117 REMARK 465 SER D 118 REMARK 465 MSE D 119 REMARK 465 THR D 120 REMARK 465 GLY D 121 REMARK 465 GLY D 122 REMARK 465 GLN D 123 REMARK 465 GLN D 124 REMARK 465 MSE D 125 REMARK 465 GLY D 126 REMARK 465 ARG D 127 REMARK 465 GLY D 128 REMARK 465 SER D 129 REMARK 465 SER D 130 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 ASP A 44 -91.08 -108.53 REMARK 500 PRO A 67 4.28 -68.44 REMARK 500 GLU A 121 41.56 -88.53 REMARK 500 ASN B 150 -78.79 -75.29 REMARK 500 ILE B 151 108.34 -47.21 REMARK 500 ASP B 175 -76.16 -75.06 REMARK 500 ARG B 189 120.73 -176.54 REMARK 500 ASN B 190 55.65 36.33 REMARK 500 ASP B 260 4.48 -69.96 REMARK 500 ASN B 353 51.23 -146.22 REMARK 500 GLU B 384 129.42 -177.24 REMARK 500 PRO B 401 92.29 -58.77 REMARK 500 LYS C 13 -39.43 -38.79 REMARK 500 ASP C 44 -78.22 -98.35 REMARK 500 ASN C 45 82.21 -157.53 REMARK 500 LEU D 167 135.66 -39.34 REMARK 500 ASP D 175 -90.34 -90.98 REMARK 500 ARG D 189 116.21 -173.34 REMARK 500 PHE D 327 12.55 -59.65 REMARK 500 ARG D 328 24.57 -141.98 REMARK 500 ASN D 353 27.90 -141.02 REMARK 500 GLU D 368 -76.76 -64.36 REMARK 500 GLU D 384 142.26 -177.36 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 CA A 805 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 79 O REMARK 620 2 ASP A 82 OD1 93.9 REMARK 620 3 GLU A 84 O 163.0 69.3 REMARK 620 4 ASP A 87 OD1 111.7 138.5 81.1 REMARK 620 5 ASP A 87 OD2 73.5 123.0 112.6 44.6 REMARK 620 6 ASP A 88 OD2 124.3 130.2 71.5 59.6 99.7 REMARK 620 7 HOH A1158 O 89.6 67.7 86.7 140.4 159.9 80.8 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 806 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS C 79 O REMARK 620 2 ASP C 82 OD1 103.7 REMARK 620 3 ASP C 82 OD2 64.7 44.3 REMARK 620 4 GLU C 84 O 174.9 79.6 116.7 REMARK 620 5 ASP C 87 OD2 69.0 118.5 84.6 106.0 REMARK 620 6 ASP C 87 OD1 90.1 152.9 129.6 85.4 45.1 REMARK 620 7 ASP C 88 OD2 98.6 137.0 157.8 81.3 103.6 60.9 REMARK 620 8 HOH C1160 O 81.7 72.0 87.1 103.2 150.3 133.9 75.6 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 805 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 806 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UDP B 809 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UDP D 810 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PG4 A 813 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PG4 C 814 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1NF5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF LACTOSE SYNTHASE COMPLEX WITH GLUCOSE DBREF 1NHE A 1 123 UNP P29752 LALBA_MOUSE 21 143 DBREF 1NHE B 130 402 UNP P08037 B4GT1_BOVIN 130 402 DBREF 1NHE C 1 123 UNP P29752 LALBA_MOUSE 21 143 DBREF 1NHE D 130 402 UNP P08037 B4GT1_BOVIN 130 402 SEQADV 1NHE ALA B 117 UNP P08037 SEE REMARK 999 SEQADV 1NHE SER B 118 UNP P08037 SEE REMARK 999 SEQADV 1NHE MSE B 119 UNP P08037 SEE REMARK 999 SEQADV 1NHE THR B 120 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY B 121 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY B 122 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLN B 123 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLN B 124 UNP P08037 SEE REMARK 999 SEQADV 1NHE MSE B 125 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY B 126 UNP P08037 SEE REMARK 999 SEQADV 1NHE ARG B 127 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY B 128 UNP P08037 SEE REMARK 999 SEQADV 1NHE SER B 129 UNP P08037 SEE REMARK 999 SEQADV 1NHE MSE B 145 UNP P08037 MET 72 CLONING ARTIFACT SEQADV 1NHE MSE B 174 UNP P08037 MET 101 CLONING ARTIFACT SEQADV 1NHE MSE B 225 UNP P08037 MET 152 CLONING ARTIFACT SEQADV 1NHE MSE B 258 UNP P08037 MET 185 CLONING ARTIFACT SEQADV 1NHE MSE B 277 UNP P08037 MET 204 CLONING ARTIFACT SEQADV 1NHE MSE B 330 UNP P08037 MET 257 CLONING ARTIFACT SEQADV 1NHE MSE B 344 UNP P08037 MET 271 CLONING ARTIFACT SEQADV 1NHE MSE B 370 UNP P08037 MET 297 CLONING ARTIFACT SEQADV 1NHE MSE B 381 UNP P08037 MET 308 CLONING ARTIFACT SEQADV 1NHE ALA D 117 UNP P08037 SEE REMARK 999 SEQADV 1NHE SER D 118 UNP P08037 SEE REMARK 999 SEQADV 1NHE MSE D 119 UNP P08037 SEE REMARK 999 SEQADV 1NHE THR D 120 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY D 121 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY D 122 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLN D 123 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLN D 124 UNP P08037 SEE REMARK 999 SEQADV 1NHE MSE D 125 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY D 126 UNP P08037 SEE REMARK 999 SEQADV 1NHE ARG D 127 UNP P08037 SEE REMARK 999 SEQADV 1NHE GLY D 128 UNP P08037 SEE REMARK 999 SEQADV 1NHE SER D 129 UNP P08037 SEE REMARK 999 SEQADV 1NHE MSE D 145 UNP P08037 MET 72 CLONING ARTIFACT SEQADV 1NHE MSE D 174 UNP P08037 MET 101 CLONING ARTIFACT SEQADV 1NHE MSE D 225 UNP P08037 MET 152 CLONING ARTIFACT SEQADV 1NHE MSE D 258 UNP P08037 MET 185 CLONING ARTIFACT SEQADV 1NHE MSE D 277 UNP P08037 MET 204 CLONING ARTIFACT SEQADV 1NHE MSE D 330 UNP P08037 MET 257 CLONING ARTIFACT SEQADV 1NHE MSE D 344 UNP P08037 MET 271 CLONING ARTIFACT SEQADV 1NHE MSE D 370 UNP P08037 MET 297 CLONING ARTIFACT SEQADV 1NHE MSE D 381 UNP P08037 MET 308 CLONING ARTIFACT SEQRES 1 A 123 THR GLU LEU THR LYS CYS LYS VAL SER HIS ALA ILE LYS SEQRES 2 A 123 ASP ILE ASP GLY TYR GLN GLY ILE SER LEU LEU GLU TRP SEQRES 3 A 123 ALA CYS VAL LEU PHE HIS THR SER GLY TYR ASP THR GLN SEQRES 4 A 123 ALA VAL VAL ASN ASP ASN GLY SER THR GLU TYR GLY LEU SEQRES 5 A 123 PHE GLN ILE SER ASP ARG PHE TRP CYS LYS SER SER GLU SEQRES 6 A 123 PHE PRO GLU SER GLU ASN ILE CYS GLY ILE SER CYS ASP SEQRES 7 A 123 LYS LEU LEU ASP ASP GLU LEU ASP ASP ASP ILE ALA CYS SEQRES 8 A 123 ALA LYS LYS ILE LEU ALA ILE LYS GLY ILE ASP TYR TRP SEQRES 9 A 123 LYS ALA TYR LYS PRO MET CYS SER GLU LYS LEU GLU GLN SEQRES 10 A 123 TRP ARG CYS GLU LYS PRO SEQRES 1 B 286 ALA SER MSE THR GLY GLY GLN GLN MSE GLY ARG GLY SER SEQRES 2 B 286 SER LEU THR ALA CYS PRO GLU GLU SER PRO LEU LEU VAL SEQRES 3 B 286 GLY PRO MSE LEU ILE GLU PHE ASN ILE PRO VAL ASP LEU SEQRES 4 B 286 LYS LEU VAL GLU GLN GLN ASN PRO LYS VAL LYS LEU GLY SEQRES 5 B 286 GLY ARG TYR THR PRO MSE ASP CYS ILE SER PRO HIS LYS SEQRES 6 B 286 VAL ALA ILE ILE ILE PRO PHE ARG ASN ARG GLN GLU HIS SEQRES 7 B 286 LEU LYS TYR TRP LEU TYR TYR LEU HIS PRO ILE LEU GLN SEQRES 8 B 286 ARG GLN GLN LEU ASP TYR GLY ILE TYR VAL ILE ASN GLN SEQRES 9 B 286 ALA GLY GLU SER MSE PHE ASN ARG ALA LYS LEU LEU ASN SEQRES 10 B 286 VAL GLY PHE LYS GLU ALA LEU LYS ASP TYR ASP TYR ASN SEQRES 11 B 286 CYS PHE VAL PHE SER ASP VAL ASP LEU ILE PRO MSE ASN SEQRES 12 B 286 ASP HIS ASN THR TYR ARG CYS PHE SER GLN PRO ARG HIS SEQRES 13 B 286 ILE SER VAL ALA MSE ASP LYS PHE GLY PHE SER LEU PRO SEQRES 14 B 286 TYR VAL GLN TYR PHE GLY GLY VAL SER ALA LEU SER LYS SEQRES 15 B 286 GLN GLN PHE LEU SER ILE ASN GLY PHE PRO ASN ASN TYR SEQRES 16 B 286 TRP GLY TRP GLY GLY GLU ASP ASP ASP ILE TYR ASN ARG SEQRES 17 B 286 LEU ALA PHE ARG GLY MSE SER VAL SER ARG PRO ASN ALA SEQRES 18 B 286 VAL ILE GLY LYS CYS ARG MSE ILE ARG HIS SER ARG ASP SEQRES 19 B 286 LYS LYS ASN GLU PRO ASN PRO GLN ARG PHE ASP ARG ILE SEQRES 20 B 286 ALA HIS THR LYS GLU THR MSE LEU SER ASP GLY LEU ASN SEQRES 21 B 286 SER LEU THR TYR MSE VAL LEU GLU VAL GLN ARG TYR PRO SEQRES 22 B 286 LEU TYR THR LYS ILE THR VAL ASP ILE GLY THR PRO SER SEQRES 1 C 123 THR GLU LEU THR LYS CYS LYS VAL SER HIS ALA ILE LYS SEQRES 2 C 123 ASP ILE ASP GLY TYR GLN GLY ILE SER LEU LEU GLU TRP SEQRES 3 C 123 ALA CYS VAL LEU PHE HIS THR SER GLY TYR ASP THR GLN SEQRES 4 C 123 ALA VAL VAL ASN ASP ASN GLY SER THR GLU TYR GLY LEU SEQRES 5 C 123 PHE GLN ILE SER ASP ARG PHE TRP CYS LYS SER SER GLU SEQRES 6 C 123 PHE PRO GLU SER GLU ASN ILE CYS GLY ILE SER CYS ASP SEQRES 7 C 123 LYS LEU LEU ASP ASP GLU LEU ASP ASP ASP ILE ALA CYS SEQRES 8 C 123 ALA LYS LYS ILE LEU ALA ILE LYS GLY ILE ASP TYR TRP SEQRES 9 C 123 LYS ALA TYR LYS PRO MET CYS SER GLU LYS LEU GLU GLN SEQRES 10 C 123 TRP ARG CYS GLU LYS PRO SEQRES 1 D 286 ALA SER MSE THR GLY GLY GLN GLN MSE GLY ARG GLY SER SEQRES 2 D 286 SER LEU THR ALA CYS PRO GLU GLU SER PRO LEU LEU VAL SEQRES 3 D 286 GLY PRO MSE LEU ILE GLU PHE ASN ILE PRO VAL ASP LEU SEQRES 4 D 286 LYS LEU VAL GLU GLN GLN ASN PRO LYS VAL LYS LEU GLY SEQRES 5 D 286 GLY ARG TYR THR PRO MSE ASP CYS ILE SER PRO HIS LYS SEQRES 6 D 286 VAL ALA ILE ILE ILE PRO PHE ARG ASN ARG GLN GLU HIS SEQRES 7 D 286 LEU LYS TYR TRP LEU TYR TYR LEU HIS PRO ILE LEU GLN SEQRES 8 D 286 ARG GLN GLN LEU ASP TYR GLY ILE TYR VAL ILE ASN GLN SEQRES 9 D 286 ALA GLY GLU SER MSE PHE ASN ARG ALA LYS LEU LEU ASN SEQRES 10 D 286 VAL GLY PHE LYS GLU ALA LEU LYS ASP TYR ASP TYR ASN SEQRES 11 D 286 CYS PHE VAL PHE SER ASP VAL ASP LEU ILE PRO MSE ASN SEQRES 12 D 286 ASP HIS ASN THR TYR ARG CYS PHE SER GLN PRO ARG HIS SEQRES 13 D 286 ILE SER VAL ALA MSE ASP LYS PHE GLY PHE SER LEU PRO SEQRES 14 D 286 TYR VAL GLN TYR PHE GLY GLY VAL SER ALA LEU SER LYS SEQRES 15 D 286 GLN GLN PHE LEU SER ILE ASN GLY PHE PRO ASN ASN TYR SEQRES 16 D 286 TRP GLY TRP GLY GLY GLU ASP ASP ASP ILE TYR ASN ARG SEQRES 17 D 286 LEU ALA PHE ARG GLY MSE SER VAL SER ARG PRO ASN ALA SEQRES 18 D 286 VAL ILE GLY LYS CYS ARG MSE ILE ARG HIS SER ARG ASP SEQRES 19 D 286 LYS LYS ASN GLU PRO ASN PRO GLN ARG PHE ASP ARG ILE SEQRES 20 D 286 ALA HIS THR LYS GLU THR MSE LEU SER ASP GLY LEU ASN SEQRES 21 D 286 SER LEU THR TYR MSE VAL LEU GLU VAL GLN ARG TYR PRO SEQRES 22 D 286 LEU TYR THR LYS ILE THR VAL ASP ILE GLY THR PRO SER MODRES 1NHE MSE B 145 MET SELENOMETHIONINE MODRES 1NHE MSE B 174 MET SELENOMETHIONINE MODRES 1NHE MSE B 225 MET SELENOMETHIONINE MODRES 1NHE MSE B 258 MET SELENOMETHIONINE MODRES 1NHE MSE B 277 MET SELENOMETHIONINE MODRES 1NHE MSE B 330 MET SELENOMETHIONINE MODRES 1NHE MSE B 344 MET SELENOMETHIONINE MODRES 1NHE MSE B 370 MET SELENOMETHIONINE MODRES 1NHE MSE B 381 MET SELENOMETHIONINE MODRES 1NHE MSE D 145 MET SELENOMETHIONINE MODRES 1NHE MSE D 174 MET SELENOMETHIONINE MODRES 1NHE MSE D 225 MET SELENOMETHIONINE MODRES 1NHE MSE D 258 MET SELENOMETHIONINE MODRES 1NHE MSE D 277 MET SELENOMETHIONINE MODRES 1NHE MSE D 330 MET SELENOMETHIONINE MODRES 1NHE MSE D 344 MET SELENOMETHIONINE MODRES 1NHE MSE D 370 MET SELENOMETHIONINE MODRES 1NHE MSE D 381 MET SELENOMETHIONINE HET MSE B 145 8 HET MSE B 174 8 HET MSE B 225 8 HET MSE B 258 8 HET MSE B 277 8 HET MSE B 330 8 HET MSE B 344 8 HET MSE B 370 8 HET MSE B 381 8 HET MSE D 145 8 HET MSE D 174 8 HET MSE D 225 8 HET MSE D 258 8 HET MSE D 277 8 HET MSE D 330 8 HET MSE D 344 8 HET MSE D 370 8 HET MSE D 381 8 HET CA A 805 1 HET PG4 A 813 13 HET UDP B 809 25 HET CA C 806 1 HET PG4 C 814 13 HET UDP D 810 25 HETNAM MSE SELENOMETHIONINE HETNAM CA CALCIUM ION HETNAM PG4 TETRAETHYLENE GLYCOL HETNAM UDP URIDINE-5'-DIPHOSPHATE FORMUL 2 MSE 18(C5 H11 N O2 SE) FORMUL 5 CA 2(CA 2+) FORMUL 6 PG4 2(C8 H18 O5) FORMUL 7 UDP 2(C9 H14 N2 O12 P2) FORMUL 11 HOH *331(H2 O) HELIX 1 1 THR A 4 ILE A 12 1 9 HELIX 2 2 LYS A 13 ASP A 16 5 4 HELIX 3 3 GLY A 17 ILE A 21 5 5 HELIX 4 4 SER A 22 SER A 34 1 13 HELIX 5 5 SER A 76 LEU A 81 5 6 HELIX 6 6 LEU A 85 GLY A 100 1 16 HELIX 7 7 ILE A 101 TRP A 104 5 4 HELIX 8 8 ALA A 106 SER A 112 1 7 HELIX 9 9 LEU A 115 ARG A 119 5 5 HELIX 10 10 ASP B 154 ASN B 162 1 9 HELIX 11 11 ARG B 191 GLN B 209 1 19 HELIX 12 12 ASN B 227 LEU B 240 1 14 HELIX 13 13 LYS B 279 GLY B 281 5 3 HELIX 14 14 LYS B 298 ILE B 304 1 7 HELIX 15 15 GLY B 316 PHE B 327 1 12 HELIX 16 16 GLN B 358 ILE B 363 1 6 HELIX 17 17 HIS B 365 ASP B 373 1 9 HELIX 18 18 GLY B 374 LEU B 378 5 5 HELIX 19 19 THR C 4 ILE C 12 1 9 HELIX 20 20 LYS C 13 ASP C 16 5 4 HELIX 21 21 GLY C 17 ILE C 21 5 5 HELIX 22 22 SER C 22 GLY C 35 1 14 HELIX 23 23 SER C 76 LEU C 81 5 6 HELIX 24 24 LEU C 85 LYS C 99 1 15 HELIX 25 25 GLY C 100 TRP C 104 5 5 HELIX 26 26 ALA C 106 CYS C 111 1 6 HELIX 27 27 LEU C 115 ARG C 119 5 5 HELIX 28 28 ASP D 154 ASN D 162 1 9 HELIX 29 29 ARG D 191 GLN D 209 1 19 HELIX 30 30 ASN D 227 TYR D 243 1 17 HELIX 31 31 LYS D 279 GLY D 281 5 3 HELIX 32 32 LYS D 298 ILE D 304 1 7 HELIX 33 33 GLY D 316 PHE D 327 1 12 HELIX 34 34 GLN D 358 HIS D 365 1 8 HELIX 35 35 HIS D 365 MSE D 370 1 6 HELIX 36 36 GLY D 374 LEU D 378 5 5 SHEET 1 A 3 VAL A 41 ASN A 43 0 SHEET 2 A 3 THR A 48 TYR A 50 -1 N GLU A 49 O VAL A 42 SHEET 3 A 3 ILE A 55 SER A 56 -1 O ILE A 55 N TYR A 50 SHEET 1 B 6 ARG B 271 HIS B 272 0 SHEET 2 B 6 VAL B 293 SER B 297 -1 N ALA B 295 O ARG B 271 SHEET 3 B 6 CYS B 247 SER B 251 -1 O PHE B 248 N LEU B 296 SHEET 4 B 6 LYS B 181 PHE B 188 1 O LYS B 181 N CYS B 247 SHEET 5 B 6 ASP B 212 GLN B 220 1 O ASP B 212 N VAL B 182 SHEET 6 B 6 ARG B 170 TYR B 171 -1 N TYR B 171 O TYR B 213 SHEET 1 C 7 ARG B 271 HIS B 272 0 SHEET 2 C 7 VAL B 293 SER B 297 -1 N ALA B 295 O ARG B 271 SHEET 3 C 7 CYS B 247 SER B 251 -1 O PHE B 248 N LEU B 296 SHEET 4 C 7 LYS B 181 PHE B 188 1 O LYS B 181 N CYS B 247 SHEET 5 C 7 ASP B 212 GLN B 220 1 O ASP B 212 N VAL B 182 SHEET 6 C 7 THR B 392 ASP B 397 1 O THR B 392 N VAL B 217 SHEET 7 C 7 MSE B 381 ARG B 387 -1 O MSE B 381 N ASP B 397 SHEET 1 D 3 LEU B 255 PRO B 257 0 SHEET 2 D 3 LYS B 341 MSE B 344 -1 N ARG B 343 O ILE B 256 SHEET 3 D 3 ALA B 276 MSE B 277 1 O ALA B 276 N CYS B 342 SHEET 1 E 3 VAL C 41 ASN C 43 0 SHEET 2 E 3 THR C 48 TYR C 50 -1 N GLU C 49 O VAL C 42 SHEET 3 E 3 ILE C 55 SER C 56 -1 O ILE C 55 N TYR C 50 SHEET 1 F 6 ARG D 271 HIS D 272 0 SHEET 2 F 6 VAL D 293 SER D 297 -1 N ALA D 295 O ARG D 271 SHEET 3 F 6 CYS D 247 SER D 251 -1 O PHE D 248 N LEU D 296 SHEET 4 F 6 LYS D 181 PHE D 188 1 O LYS D 181 N CYS D 247 SHEET 5 F 6 ASP D 212 GLN D 220 1 O ASP D 212 N VAL D 182 SHEET 6 F 6 ARG D 170 TYR D 171 -1 N TYR D 171 O TYR D 213 SHEET 1 G 7 ARG D 271 HIS D 272 0 SHEET 2 G 7 VAL D 293 SER D 297 -1 N ALA D 295 O ARG D 271 SHEET 3 G 7 CYS D 247 SER D 251 -1 O PHE D 248 N LEU D 296 SHEET 4 G 7 LYS D 181 PHE D 188 1 O LYS D 181 N CYS D 247 SHEET 5 G 7 ASP D 212 GLN D 220 1 O ASP D 212 N VAL D 182 SHEET 6 G 7 THR D 392 ASP D 397 1 O THR D 392 N VAL D 217 SHEET 7 G 7 MSE D 381 ARG D 387 -1 O MSE D 381 N ASP D 397 SHEET 1 H 3 LEU D 255 PRO D 257 0 SHEET 2 H 3 LYS D 341 MSE D 344 -1 N ARG D 343 O ILE D 256 SHEET 3 H 3 ALA D 276 MSE D 277 1 O ALA D 276 N CYS D 342 SSBOND 1 CYS A 6 CYS A 120 1555 1555 2.05 SSBOND 2 CYS A 28 CYS A 111 1555 1555 2.05 SSBOND 3 CYS A 61 CYS A 77 1555 1555 2.04 SSBOND 4 CYS A 73 CYS A 91 1555 1555 2.03 SSBOND 5 CYS B 134 CYS B 176 1555 1555 2.04 SSBOND 6 CYS B 247 CYS B 266 1555 1555 2.04 SSBOND 7 CYS C 6 CYS C 120 1555 1555 2.04 SSBOND 8 CYS C 28 CYS C 111 1555 1555 2.03 SSBOND 9 CYS C 61 CYS C 77 1555 1555 2.03 SSBOND 10 CYS C 73 CYS C 91 1555 1555 2.04 SSBOND 11 CYS D 134 CYS D 176 1555 1555 2.04 SSBOND 12 CYS D 247 CYS D 266 1555 1555 2.04 LINK C PRO B 144 N MSE B 145 1555 1555 1.33 LINK C MSE B 145 N LEU B 146 1555 1555 1.32 LINK C PRO B 173 N MSE B 174 1555 1555 1.33 LINK C MSE B 174 N ASP B 175 1555 1555 1.33 LINK C SER B 224 N MSE B 225 1555 1555 1.33 LINK C MSE B 225 N PHE B 226 1555 1555 1.32 LINK C PRO B 257 N MSE B 258 1555 1555 1.33 LINK C MSE B 258 N ASN B 259 1555 1555 1.32 LINK C ALA B 276 N MSE B 277 1555 1555 1.33 LINK C MSE B 277 N ASP B 278 1555 1555 1.33 LINK C GLY B 329 N MSE B 330 1555 1555 1.33 LINK C MSE B 330 N SER B 331 1555 1555 1.32 LINK C ARG B 343 N MSE B 344 1555 1555 1.32 LINK C MSE B 344 N ILE B 345 1555 1555 1.33 LINK C THR B 369 N MSE B 370 1555 1555 1.33 LINK C MSE B 370 N LEU B 371 1555 1555 1.33 LINK C TYR B 380 N MSE B 381 1555 1555 1.32 LINK C MSE B 381 N VAL B 382 1555 1555 1.33 LINK C PRO D 144 N MSE D 145 1555 1555 1.33 LINK C MSE D 145 N LEU D 146 1555 1555 1.32 LINK C PRO D 173 N MSE D 174 1555 1555 1.32 LINK C MSE D 174 N ASP D 175 1555 1555 1.33 LINK C SER D 224 N MSE D 225 1555 1555 1.33 LINK C MSE D 225 N PHE D 226 1555 1555 1.33 LINK C PRO D 257 N MSE D 258 1555 1555 1.33 LINK C MSE D 258 N ASN D 259 1555 1555 1.33 LINK C ALA D 276 N MSE D 277 1555 1555 1.33 LINK C MSE D 277 N ASP D 278 1555 1555 1.33 LINK C GLY D 329 N MSE D 330 1555 1555 1.33 LINK C MSE D 330 N SER D 331 1555 1555 1.32 LINK C ARG D 343 N MSE D 344 1555 1555 1.32 LINK C MSE D 344 N ILE D 345 1555 1555 1.32 LINK C THR D 369 N MSE D 370 1555 1555 1.33 LINK C MSE D 370 N LEU D 371 1555 1555 1.33 LINK C TYR D 380 N MSE D 381 1555 1555 1.33 LINK C MSE D 381 N VAL D 382 1555 1555 1.33 LINK O LYS A 79 CA CA A 805 1555 1555 2.16 LINK OD1 ASP A 82 CA CA A 805 1555 1555 2.84 LINK O GLU A 84 CA CA A 805 1555 1555 2.25 LINK OD1 ASP A 87 CA CA A 805 1555 1555 2.46 LINK OD2 ASP A 87 CA CA A 805 1555 1555 3.15 LINK OD2 ASP A 88 CA CA A 805 1555 1555 2.52 LINK CA CA A 805 O HOH A1158 1555 1555 2.73 LINK O LYS C 79 CA CA C 806 1555 1555 2.49 LINK OD1 ASP C 82 CA CA C 806 1555 1555 2.28 LINK OD2 ASP C 82 CA CA C 806 1555 1555 3.14 LINK O GLU C 84 CA CA C 806 1555 1555 2.17 LINK OD2 ASP C 87 CA CA C 806 1555 1555 3.10 LINK OD1 ASP C 87 CA CA C 806 1555 1555 2.27 LINK OD2 ASP C 88 CA CA C 806 1555 1555 2.59 LINK CA CA C 806 O HOH C1160 1555 1555 2.20 SITE 1 AC1 6 LYS A 79 ASP A 82 GLU A 84 ASP A 87 SITE 2 AC1 6 ASP A 88 HOH A1158 SITE 1 AC2 6 LYS C 79 ASP C 82 GLU C 84 ASP C 87 SITE 2 AC2 6 ASP C 88 HOH C1160 SITE 1 AC3 15 PRO B 187 PHE B 188 ARG B 189 ARG B 191 SITE 2 AC3 15 PHE B 226 ASP B 252 VAL B 253 ASP B 254 SITE 3 AC3 15 LYS B 279 TRP B 314 MSE B 344 HIS B 347 SITE 4 AC3 15 ASP B 350 HOH B 962 HOH B1209 SITE 1 AC4 15 PRO D 187 PHE D 188 ARG D 189 ARG D 191 SITE 2 AC4 15 PHE D 226 ASP D 252 VAL D 253 ASP D 254 SITE 3 AC4 15 LYS D 279 TRP D 314 MSE D 344 ASP D 350 SITE 4 AC4 15 ASN D 353 HOH D 944 HOH D1096 SITE 1 AC5 10 GLU A 2 PHE A 31 HIS A 32 THR A 33 SITE 2 AC5 10 SER A 34 GLY A 35 LYS B 279 PHE B 280 SITE 3 AC5 10 TRP B 314 ARG B 349 SITE 1 AC6 9 PHE C 31 HIS C 32 THR C 33 SER C 34 SITE 2 AC6 9 GLY C 35 VAL C 42 HOH C1029 TRP D 314 SITE 3 AC6 9 ARG D 349 CRYST1 55.171 99.013 102.382 90.00 103.92 90.00 P 1 21 1 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 0.018125 0.000000 0.004492 0.00000 SCALE2 0.000000 0.010100 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010063 0.00000