HEADER TRANSFERASE 01-SEP-98 1BTE TITLE CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE TYPE II ACTIVIN TITLE 2 RECEPTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ACTIVIN RECEPTOR TYPE II); COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: LIGAND-BINDING DOMAIN; COMPND 5 EC: 2.7.1.-; COMPND 6 ENGINEERED: YES 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: PICHIA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: SMD1168; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PPIC9K KEYWDS RECEPTOR, SERINE KINASE, LIGAND BINDING DOMAIN, THREE-FINGER TOXIN, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.GREENWALD,W.FISCHER,W.VALE,S.CHOE REVDAT 7 29-JUL-20 1BTE 1 COMPND REMARK HETNAM LINK REVDAT 7 2 1 SITE REVDAT 6 11-DEC-19 1BTE 1 REMARK LINK ATOM REVDAT 5 13-JUL-11 1BTE 1 VERSN REVDAT 4 24-FEB-09 1BTE 1 VERSN REVDAT 3 01-APR-03 1BTE 1 JRNL REVDAT 2 29-DEC-99 1BTE 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 09-FEB-99 1BTE 0 JRNL AUTH J.GREENWALD,W.H.FISCHER,W.W.VALE,S.CHOE JRNL TITL THREE-FINGER TOXIN FOLD FOR THE EXTRACELLULAR LIGAND-BINDING JRNL TITL 2 DOMAIN OF THE TYPE II ACTIVIN RECEPTOR SERINE KINASE. JRNL REF NAT.STRUCT.BIOL. V. 6 18 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 9886286 JRNL DOI 10.1038/4887 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 83.9 REMARK 3 NUMBER OF REFLECTIONS : 30005 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1500 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1484 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 56 REMARK 3 SOLVENT ATOMS : 202 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.60 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.086 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.092 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.063 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.013 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.029 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.032 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.141 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.171 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.256 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 5.500 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 16.500; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 20.600; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.613 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.678 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.007 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.989 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BTE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008230. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30005 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.9 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03400 REMARK 200 FOR THE DATA SET : 11.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 37.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29500 REMARK 200 FOR SHELL : 0.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: MLPHARE, DM REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM ACETATE, PH 4.5, 5% PEG REMARK 280 8000, 0.5M NACL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 156 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 168 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 GLYCOSYLATION FROM HOST EXPRESSION SYSTEM WAS REMOVED USING REMARK 400 ENDOGLYCOSIDASE H, LEAVING BEHIND THE N-ACETYL GLUCOSAMINE REMARK 400 (NAG) RESIDUES ON THE ASN. 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 SER A 6 REMARK 465 ASP A 34 REMARK 465 LYS A 35 REMARK 465 ASP A 36 REMARK 465 LYS A 37 REMARK 465 SER B 6 REMARK 465 MET B 101 REMARK 465 GLU B 102 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 38 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 61 CG CD1 CD2 REMARK 470 ASP A 63 CG OD1 OD2 REMARK 470 ARG A 69 CG CD NE CZ NH1 NH2 REMARK 470 THR A 70 OG1 CG2 REMARK 470 GLU A 102 O REMARK 470 GLU B 7 CG CD OE1 OE2 REMARK 470 LYS B 35 CG CD CE NZ REMARK 470 ARG B 38 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 63 CG OD1 OD2 REMARK 470 ARG B 69 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 80 CG CD OE1 OE2 REMARK 470 GLU B 100 CG CD OE1 OE2 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 B 149 O HOH B 149 2555 0.59 REMARK 500 O HOH A 214 O HOH B 222 2555 2.09 REMARK 500 OE2 GLU B 93 O HOH B 149 2555 2.10 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 TYR A 32 -117.21 -124.25 REMARK 500 ASN B 17 31.05 -98.59 REMARK 500 SER B 78 66.20 31.61 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ASP B 68 10.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 O6 OF NAG A 124 AND NAG B 124 IS MODELED REMARK 600 IN TWO ALTERNATIVE CONFORMATIONS. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: NAG REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: GLYCOSYLATION SITE REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE NUMBERING OF RESIDUES IN THE PDB FILE IS REMARK 999 BASED ON THE SEQUENCE WITHOUT THE SIGNAL REMARK 999 PEPTIDE. REMARK 999 REMARK 999 THE MOLECULE IN THE CRYSTAL IS LACKING THE REMARK 999 14 C-TERMINAL RESIDUES WHICH HAVE BEEN REMARK 999 REMOVED BY TREATMENT WITH ENDOPROTEINASE GLUC, REMARK 999 MAKING GLU 102, THE NEW C-TERMINUS DBREF 1BTE A 6 102 UNP P27038 ACVR2_MOUSE 25 121 DBREF 1BTE B 6 102 UNP P27038 ACVR2_MOUSE 25 121 SEQRES 1 A 97 SER GLU THR GLN GLU CYS LEU PHE PHE ASN ALA ASN TRP SEQRES 2 A 97 GLU ARG ASP ARG THR ASN GLN THR GLY VAL GLU PRO CYS SEQRES 3 A 97 TYR GLY ASP LYS ASP LYS ARG ARG HIS CYS PHE ALA THR SEQRES 4 A 97 TRP LYS ASN ILE SER GLY SER ILE GLU ILE VAL LYS GLN SEQRES 5 A 97 GLY CYS TRP LEU ASP ASP ILE ASN CYS TYR ASP ARG THR SEQRES 6 A 97 ASP CYS ILE GLU LYS LYS ASP SER PRO GLU VAL TYR PHE SEQRES 7 A 97 CYS CYS CYS GLU GLY ASN MET CYS ASN GLU LYS PHE SER SEQRES 8 A 97 TYR PHE PRO GLU MET GLU SEQRES 1 B 97 SER GLU THR GLN GLU CYS LEU PHE PHE ASN ALA ASN TRP SEQRES 2 B 97 GLU ARG ASP ARG THR ASN GLN THR GLY VAL GLU PRO CYS SEQRES 3 B 97 TYR GLY ASP LYS ASP LYS ARG ARG HIS CYS PHE ALA THR SEQRES 4 B 97 TRP LYS ASN ILE SER GLY SER ILE GLU ILE VAL LYS GLN SEQRES 5 B 97 GLY CYS TRP LEU ASP ASP ILE ASN CYS TYR ASP ARG THR SEQRES 6 B 97 ASP CYS ILE GLU LYS LYS ASP SER PRO GLU VAL TYR PHE SEQRES 7 B 97 CYS CYS CYS GLU GLY ASN MET CYS ASN GLU LYS PHE SER SEQRES 8 B 97 TYR PHE PRO GLU MET GLU MODRES 1BTE ASN A 24 ASN GLYCOSYLATION SITE MODRES 1BTE ASN A 47 ASN GLYCOSYLATION SITE MODRES 1BTE ASN B 24 ASN GLYCOSYLATION SITE MODRES 1BTE ASN B 47 ASN GLYCOSYLATION SITE HET NAG A 124 15 HET NAG A 147 14 HET NAG B 124 15 HET NAG B 147 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE FORMUL 3 NAG 4(C8 H15 N O6) FORMUL 7 HOH *202(H2 O) HELIX 1 1 TRP A 18 ASP A 21 1 4 HELIX 2 2 CYS A 91 GLU A 93 5 3 HELIX 3 3 TRP B 18 ASP B 21 1 4 HELIX 4 4 CYS B 91 GLU B 93 5 3 SHEET 1 A 2 GLU A 10 PHE A 14 0 SHEET 2 A 2 THR A 26 PRO A 30 -1 N GLU A 29 O CYS A 11 SHEET 1 B 3 TYR A 82 CYS A 86 0 SHEET 2 B 3 HIS A 40 ILE A 48 -1 N TRP A 45 O TYR A 82 SHEET 3 B 3 SER A 51 TRP A 60 -1 N TRP A 60 O HIS A 40 SHEET 1 C 2 CYS A 72 GLU A 74 0 SHEET 2 C 2 PHE A 95 TYR A 97 1 N SER A 96 O CYS A 72 SHEET 1 D 2 GLU B 10 PHE B 14 0 SHEET 2 D 2 THR B 26 PRO B 30 -1 N GLU B 29 O CYS B 11 SHEET 1 E 3 TYR B 82 CYS B 86 0 SHEET 2 E 3 HIS B 40 ILE B 48 -1 N TRP B 45 O TYR B 82 SHEET 3 E 3 SER B 51 TRP B 60 -1 N TRP B 60 O HIS B 40 SHEET 1 F 2 CYS B 72 GLU B 74 0 SHEET 2 F 2 PHE B 95 TYR B 97 1 N SER B 96 O CYS B 72 SSBOND 1 CYS A 11 CYS A 41 1555 1555 2.06 SSBOND 2 CYS A 31 CYS A 59 1555 1555 2.06 SSBOND 3 CYS A 66 CYS A 85 1555 1555 2.02 SSBOND 4 CYS A 72 CYS A 84 1555 1555 2.08 SSBOND 5 CYS A 86 CYS A 91 1555 1555 2.09 SSBOND 6 CYS B 11 CYS B 41 1555 1555 2.06 SSBOND 7 CYS B 31 CYS B 59 1555 1555 2.05 SSBOND 8 CYS B 66 CYS B 85 1555 1555 2.02 SSBOND 9 CYS B 72 CYS B 84 1555 1555 2.09 SSBOND 10 CYS B 86 CYS B 91 1555 1555 2.04 LINK ND2 ASN A 24 C1 NAG A 124 1555 1555 1.43 LINK ND2 ASN A 47 C1 NAG A 147 1555 1555 1.43 LINK ND2 ASN B 24 C1 NAG B 124 1555 1555 1.41 LINK ND2 ASN B 47 C1 NAG B 147 1555 1555 1.41 SITE 1 NAG 4 ASN A 24 ASN A 47 ASN B 24 ASN B 47 CRYST1 71.630 71.630 37.380 90.00 90.00 120.00 P 3 6 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 0.013961 0.008060 0.000000 0.00000 SCALE2 0.000000 0.016120 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026752 0.00000 MTRIX1 1 0.894500 -0.445800 -0.034900 -19.71370 1 MTRIX2 1 0.444500 0.895000 -0.038200 -37.41570 1 MTRIX3 1 0.048200 0.018700 0.998700 -14.03470 1