REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.D.KWONG,R.WYATT,J.ROBINSON,R.W.SWEET,J.SODROSKI, REMARK 1 AUTH 2 W.A.HENDRICKSON REMARK 1 TITL STRUCTURE OF AN HIV GP120 ENVELOPE GLYCOPROTEIN IN COMPLEX REMARK 1 TITL 2 WITH THE CD4 RECEPTOR AND A NEUTRALIZING HUMAN ANTIBODY REMARK 1 REF NATURE V. 393 648 1998 REMARK 1 REFN ISSN 0028-0836 REMARK 1 DOI 10.1038/31405 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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 : 23030 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) : 0.207 REMARK 3 FREE R VALUE : 0.295 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1160 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 23 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.94 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 907 REMARK 3 BIN R VALUE (WORKING SET) : 0.3340 REMARK 3 BIN FREE R VALUE : 0.3937 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.51 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 56 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.053 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7173 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 196 REMARK 3 SOLVENT ATOMS : 345 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 60.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 68.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.42600 REMARK 3 B22 (A**2) : 8.51600 REMARK 3 B33 (A**2) : -13.94100 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.33 REMARK 3 ESD FROM SIGMAA (A) : 0.51 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.63 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.14 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.79 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.568 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.820 ; 2.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.738 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.860 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.22 REMARK 3 BSOL : 14.44 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 : CNS-PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS-WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS-ION.PARAM REMARK 3 PARAMETER FILE 4 : CNS-CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : CNS-PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CNS-WATER.TOP REMARK 3 TOPOLOGY FILE 3 : CNS-ION.TOP REMARK 3 TOPOLOGY FILE 4 : CNS-CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: OVERALL ANISOTROPIC B VALUE CORRECTION REMARK 3 APPLIED TO DATA DURING CNS REFINEMENT REMARK 4 REMARK 4 1G9N COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-DEC-00. REMARK 100 THE RCSB ID CODE IS RCSB012406. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-APR-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9721 REMARK 200 MONOCHROMATOR : SILICON CRYSTAL REMARK 200 OPTICS : NULL 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 : 23464 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 4.370 REMARK 200 R MERGE (I) : 0.09300 REMARK 200 R SYM (I) : 0.09300 REMARK 200 FOR THE DATA SET : 10.3800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.43900 REMARK 200 R SYM FOR SHELL (I) : 0.43900 REMARK 200 FOR SHELL : 2.330 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1G9M REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOUR DIFFUSION CRYSTALLIZATION: 0.5 REMARK 280 UL OF PROTEIN (5 MG/ML IN 0.35 M NACL, 0.005 M TRIS CL PH 7.0) + REMARK 280 0.35 UL OF RESERVOIR (50 UL OF NA ACETATE PH 4.5 + 250 UL OF REMARK 280 HAMPTON CRYSTAL SCREEN REAGENT 18 + 126 UL OF ETHANOL + 292 UL OF REMARK 280 WATER), PH 5.9, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 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 3555 X+1/2,Y+1/2,Z 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 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 1.000000 0.000000 0.000000 87.49000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.85500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 87.49000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 40.85500 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: G, C, L, H 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 G 79 REMARK 465 ALA G 80 REMARK 465 ARG G 81 REMARK 465 SER G 82 REMARK 465 GLU G 83 REMARK 465 VAL G 84 REMARK 465 LYS G 85 REMARK 465 ALA C 182 REMARK 465 SER C 183 REMARK 465 ASN C 184 REMARK 465 THR C 185 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ASP G 230 OD2 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 G 94 76.56 -154.85 REMARK 500 SER G 115 -40.34 -137.00 REMARK 500 LEU G 125 86.79 -156.78 REMARK 500 ALA G 129 36.06 -77.45 REMARK 500 PHE G 210 107.74 -49.43 REMARK 500 PRO G 220 -109.17 -64.05 REMARK 500 LYS G 232 95.04 -162.56 REMARK 500 ASN G 241 40.82 -94.52 REMARK 500 PRO G 253 82.32 -51.81 REMARK 500 GLN G 258 -48.16 73.99 REMARK 500 GLU G 267 -76.40 -50.30 REMARK 500 GLU G 268 -105.32 -60.09 REMARK 500 ASN G 276 88.57 178.87 REMARK 500 ASN G 280 10.49 -67.49 REMARK 500 GLN G 344 12.63 -68.33 REMARK 500 GLU G 351 21.11 -79.71 REMARK 500 GLN G 352 -25.48 -152.05 REMARK 500 ASN G 356 46.65 -77.97 REMARK 500 PHE G 376 168.15 172.96 REMARK 500 SER G 387 39.48 -93.17 REMARK 500 THR G 392 51.80 -142.36 REMARK 500 ASP G 395 45.46 -73.59 REMARK 500 THR G 396 -80.30 -148.91 REMARK 500 LYS G 398 -152.30 -118.75 REMARK 500 LEU G 407 55.29 -174.14 REMARK 500 ASN G 409 -80.50 -46.25 REMARK 500 PRO G 417 96.83 -69.62 REMARK 500 GLU G 429 146.02 -176.18 REMARK 500 ILE G 439 -42.54 -146.22 REMARK 500 THR G 455 95.87 -162.07 REMARK 500 ASP G 461 34.79 37.96 REMARK 500 ASN G 463 162.48 -47.08 REMARK 500 THR G 465 55.33 -164.16 REMARK 500 ASP G 474 78.34 -101.49 REMARK 500 MET G 475 -15.20 -37.38 REMARK 500 LYS G 487 114.91 -179.13 REMARK 500 CYS C 16 103.62 -177.41 REMARK 500 SER C 19 -72.14 -51.92 REMARK 500 SER C 23 97.82 -66.88 REMARK 500 LEU C 37 133.06 -172.52 REMARK 500 GLN C 40 54.54 -112.96 REMARK 500 PRO C 48 -4.65 -57.65 REMARK 500 ASN C 52 -72.97 -41.77 REMARK 500 ASP C 53 -7.63 -57.30 REMARK 500 ASP C 56 149.07 178.84 REMARK 500 SER C 57 -151.87 -108.46 REMARK 500 GLN C 64 33.18 -91.12 REMARK 500 PRO C 68 -173.68 -56.82 REMARK 500 LEU C 69 81.62 -155.28 REMARK 500 ASP C 80 -174.19 -178.43 REMARK 500 REMARK 500 THIS ENTRY HAS 118 RAMACHANDRAN OUTLIERS. 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 G1011 DISTANCE = 5.53 ANGSTROMS REMARK 525 HOH G1027 DISTANCE = 6.24 ANGSTROMS REMARK 525 HOH H 230 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH H 231 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH L 234 DISTANCE = 5.29 ANGSTROMS REMARK 525 HOH L 236 DISTANCE = 5.40 ANGSTROMS REMARK 525 HOH L 273 DISTANCE = 6.73 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDG G 588 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 697 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 734 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDG G 741 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 762 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 776 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 789 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 795 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 856 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 886 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 894 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 908 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 948 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG G 963 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G9M RELATED DB: PDB REMARK 900 1G9M CONTAINS THE SAME TERNARY COMPLEX FROM A LABORATORY- REMARK 900 ADAPTED ISOLATE.