1HM2 - Header Asymmetric Unit

HEADER LYASE 04-DEC-00 1HM2

TITLE ACTIVE SITE OF CHONDROITINASE AC LYASE REVEALED BY THE TITLE 2 STRUCTURE OF ENZYME-OLIGOSACCHARIDE COMPLEXES AND TITLE 3 MUTAGENESIS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHONDROITINASE AC; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.2.5; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PEDOBACTER HEPARINUS; SOURCE 3 ORGANISM_TAXID: 984; SOURCE 4 EXPRESSION_SYSTEM: PEDOBACTER HEPARINUS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 984

KEYWDS PROTEIN-OLIGOSACCHARIDE COMPLEX, ACTIVE SITE, CATALYSIS, KEYWDS 2 LYASE

EXPDTA X-RAY DIFFRACTION

AUTHOR W.HUANG,L.BOJU,L.TKALEC,H.SU,H.O.YANG,N.S.GUNAY, AUTHOR 2 R.J.LINHARDT,Y.S.KIM,A.MATTE,M.CYGLER

REVDAT 2 24-FEB-09 1HM2 1 VERSN REVDAT 1 02-MAY-01 1HM2 0

JRNL AUTH W.HUANG,L.BOJU,L.TKALEC,H.SU,H.O.YANG,N.S.GUNAY, JRNL AUTH 2 R.J.LINHARDT,Y.S.KIM,A.MATTE,M.CYGLER JRNL TITL ACTIVE SITE OF CHONDROITIN AC LYASE REVEALED BY JRNL TITL 2 THE STRUCTURE OF ENZYME-OLIGOSACCHARIDE COMPLEXES JRNL TITL 3 AND MUTAGENESIS. JRNL REF BIOCHEMISTRY V. 40 2359 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11327856 JRNL DOI 10.1021/BI0024254

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 47131 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 SET) : 0.233 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1627 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 : 5382 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 148 REMARK 3 SOLVENT ATOMS : 313 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.42 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1HM2 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-00. REMARK 100 THE RCSB ID CODE IS RCSB012443.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-FEB-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL 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 : 48610 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.24400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, SODIUM ACETATE, HEPES , REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 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+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 96.15000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 43.45000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 43.45000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 144.22500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 43.45000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 43.45000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 48.07500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 43.45000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 43.45000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 144.22500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 43.45000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 43.45000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 48.07500 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 0.00000 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 96.15000 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 MET A 1 REMARK 465 LYS A 2 REMARK 465 LYS A 3 REMARK 465 LEU A 4 REMARK 465 PHE A 5 REMARK 465 VAL A 6 REMARK 465 THR A 7 REMARK 465 CYS A 8 REMARK 465 ILE A 9 REMARK 465 VAL A 10 REMARK 465 PHE A 11 REMARK 465 PHE A 12 REMARK 465 SER A 13 REMARK 465 ILE A 14 REMARK 465 LEU A 15 REMARK 465 SER A 16 REMARK 465 PRO A 17 REMARK 465 ALA A 18 REMARK 465 LEU A 19 REMARK 465 LEU A 20 REMARK 465 ILE A 21 REMARK 465 ALA A 22 REMARK 465 GLN A 23 REMARK 465 GLN A 24 REMARK 465 THR A 25 REMARK 465 LYS A 700

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 LYS A 64 CG CD CE NZ REMARK 470 LYS A 111 CG CD CE NZ REMARK 470 LYS A 148 CG CD CE NZ REMARK 470 GLU A 153 CG CD OE1 OE2 REMARK 470 ALA A 154 CB REMARK 470 LYS A 303 CG CD CE NZ REMARK 470 THR A 500 CB OG1 CG2 REMARK 470 ALA A 501 CB REMARK 470 LYS A 503 CB CG CD CE NZ REMARK 470 LYS A 508 CG CD CE NZ REMARK 470 LYS A 594 CB CG CD CE NZ REMARK 470 ASN A 596 CB CG OD1 ND2 REMARK 470 LYS A 653 CG CD CE NZ

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 ALA A 72 150.11 -48.81 REMARK 500 ILE A 131 -67.43 -124.92 REMARK 500 LYS A 148 -74.04 -47.21 REMARK 500 TYR A 212 -18.45 60.29 REMARK 500 HIS A 225 72.67 71.88 REMARK 500 GLN A 230 58.28 -150.39 REMARK 500 SER A 232 -145.23 -101.97 REMARK 500 SER A 233 -121.97 53.29 REMARK 500 SER A 328 71.39 47.24 REMARK 500 MET A 362 -166.41 -129.47 REMARK 500 ASP A 385 56.12 -90.80 REMARK 500 VAL A 443 -42.82 -133.91 REMARK 500 ASP A 452 91.62 -161.16 REMARK 500 PHE A 465 -152.47 -121.30 REMARK 500 GLN A 490 88.16 -158.29 REMARK 500 ALA A 501 85.05 53.19 REMARK 500 ALA A 533 160.41 174.46 REMARK 500 ASN A 550 102.12 -161.95 REMARK 500 ASN A 551 0.71 -65.32 REMARK 500 ASN A 605 78.67 -151.13 REMARK 500 LYS A 664 -46.11 -131.32 REMARK 500 GLN A 690 -123.32 57.65 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 A 966 DISTANCE = 5.34 ANGSTROMS

REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 ASG A 709 REMARK 610 IDR A 710 REMARK 610 IDR A 711

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 A1801 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 405 OE2 REMARK 620 2 ASP A 407 CG 101.8 REMARK 620 3 ASP A 407 OD1 74.3 27.6 REMARK 620 4 ASP A 407 OD2 128.9 27.7 55.3 REMARK 620 5 ASP A 416 OD1 93.1 105.0 103.9 105.4 REMARK 620 6 TYR A 417 O 145.3 112.9 140.4 85.6 78.8 REMARK 620 7 HOH A 895 O 70.8 157.2 140.0 148.1 97.0 76.7 REMARK 620 8 HOH A 874 O 98.5 81.8 88.3 74.4 165.1 86.4 78.2 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 MAN A 701 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RAM A 702 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GCU A 703 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XYP A 704 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MXY A 705 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MAN A 706 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RAM A 707 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GCU A 708 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ASG A 709 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IDR A 710 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IDR A 711 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ASG A 712 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1801

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HM3 RELATED DB: PDB REMARK 900 CHONDROITINASE AC COMPLEXED WITH HYALURONIC ACID REMARK 900 DISACCHARIDE REMARK 900 RELATED ID: 1HMU RELATED DB: PDB REMARK 900 CHONDROITINASE AC COMPLEXED WITH DERMATAN SULFATE REMARK 900 DISACCHARIDE REMARK 900 RELATED ID: 1HMW RELATED DB: PDB REMARK 900 CHONDROITINASE AC COMPLEXED WITH CHONDROITIN SULFATE REMARK 900 TETRASACCHARIDE

DBREF 1HM2 A 1 700 UNP Q59288 CHAC_PEDHE 1 700

SEQRES 1 A 700 MET LYS LYS LEU PHE VAL THR CYS ILE VAL PHE PHE SER SEQRES 2 A 700 ILE LEU SER PRO ALA LEU LEU ILE ALA GLN GLN THR GLY SEQRES 3 A 700 THR ALA GLU LEU ILE MET LYS ARG VAL MET LEU ASP LEU SEQRES 4 A 700 LYS LYS PRO LEU ARG ASN MET ASP LYS VAL ALA GLU LYS SEQRES 5 A 700 ASN LEU ASN THR LEU GLN PRO ASP GLY SER TRP LYS ASP SEQRES 6 A 700 VAL PRO TYR LYS ASP ASP ALA MET THR ASN TRP LEU PRO SEQRES 7 A 700 ASN ASN HIS LEU LEU GLN LEU GLU THR ILE ILE GLN ALA SEQRES 8 A 700 TYR ILE GLU LYS ASP SER HIS TYR TYR GLY ASP ASP LYS SEQRES 9 A 700 VAL PHE ASP GLN ILE SER LYS ALA PHE LYS TYR TRP TYR SEQRES 10 A 700 ASP SER ASP PRO LYS SER ARG ASN TRP TRP HIS ASN GLU SEQRES 11 A 700 ILE ALA THR PRO GLN ALA LEU GLY GLU MET LEU ILE LEU SEQRES 12 A 700 MET ARG TYR GLY LYS LYS PRO LEU ASP GLU ALA LEU VAL SEQRES 13 A 700 HIS LYS LEU THR GLU ARG MET LYS ARG GLY GLU PRO GLU SEQRES 14 A 700 LYS LYS THR GLY ALA ASN LYS THR ASP ILE ALA LEU HIS SEQRES 15 A 700 TYR PHE TYR ARG ALA LEU LEU THR SER ASP GLU ALA LEU SEQRES 16 A 700 LEU SER PHE ALA VAL LYS GLU LEU PHE TYR PRO VAL GLN SEQRES 17 A 700 PHE VAL HIS TYR GLU GLU GLY LEU GLN TYR ASP TYR SER SEQRES 18 A 700 TYR LEU GLN HIS GLY PRO GLN LEU GLN ILE SER SER TYR SEQRES 19 A 700 GLY ALA VAL PHE ILE THR GLY VAL LEU LYS LEU ALA ASN SEQRES 20 A 700 TYR VAL ARG ASP THR PRO TYR ALA LEU SER THR GLU LYS SEQRES 21 A 700 LEU ALA ILE PHE SER LYS TYR TYR ARG ASP SER TYR LEU SEQRES 22 A 700 LYS ALA ILE ARG GLY SER TYR MET ASP PHE ASN VAL GLU SEQRES 23 A 700 GLY ARG GLY VAL SER ARG PRO ASP ILE LEU ASN LYS LYS SEQRES 24 A 700 ALA GLU LYS LYS ARG LEU LEU VAL ALA LYS MET ILE ASP SEQRES 25 A 700 LEU LYS HIS THR GLU GLU TRP ALA ASP ALA ILE ALA ARG SEQRES 26 A 700 THR ASP SER THR VAL ALA ALA GLY TYR LYS ILE GLU PRO SEQRES 27 A 700 TYR HIS HIS GLN PHE TRP ASN GLY ASP TYR VAL GLN HIS SEQRES 28 A 700 LEU ARG PRO ALA TYR SER PHE ASN VAL ARG MET VAL SER SEQRES 29 A 700 LYS ARG THR ARG ARG SER GLU SER GLY ASN LYS GLU ASN SEQRES 30 A 700 LEU LEU GLY ARG TYR LEU SER ASP GLY ALA THR ASN ILE SEQRES 31 A 700 GLN LEU ARG GLY PRO GLU TYR TYR ASN ILE MET PRO VAL SEQRES 32 A 700 TRP GLU TRP ASP LYS ILE PRO GLY ILE THR SER ARG ASP SEQRES 33 A 700 TYR LEU THR ASP ARG PRO LEU THR LYS LEU TRP GLY GLU SEQRES 34 A 700 GLN GLY SER ASN ASP PHE ALA GLY GLY VAL SER ASP GLY SEQRES 35 A 700 VAL TYR GLY ALA SER ALA TYR ALA LEU ASP TYR ASP SER SEQRES 36 A 700 LEU GLN ALA LYS LYS ALA TRP PHE PHE PHE ASP LYS GLU SEQRES 37 A 700 ILE VAL CYS LEU GLY ALA GLY ILE ASN SER ASN ALA PRO SEQRES 38 A 700 GLU ASN ILE THR THR THR LEU ASN GLN SER TRP LEU ASN SEQRES 39 A 700 GLY PRO VAL ILE SER THR ALA GLY LYS THR GLY ARG GLY SEQRES 40 A 700 LYS ILE THR THR PHE LYS ALA GLN GLY GLN PHE TRP LEU SEQRES 41 A 700 LEU HIS ASP ALA ILE GLY TYR TYR PHE PRO GLU GLY ALA SEQRES 42 A 700 ASN LEU SER LEU SER THR GLN SER GLN LYS GLY ASN TRP SEQRES 43 A 700 PHE HIS ILE ASN ASN SER HIS SER LYS ASP GLU VAL SER SEQRES 44 A 700 GLY ASP VAL PHE LYS LEU TRP ILE ASN HIS GLY ALA ARG SEQRES 45 A 700 PRO GLU ASN ALA GLN TYR ALA TYR ILE VAL LEU PRO GLY SEQRES 46 A 700 ILE ASN LYS PRO GLU GLU ILE LYS LYS TYR ASN GLY THR SEQRES 47 A 700 ALA PRO LYS VAL LEU ALA ASN THR ASN GLN LEU GLN ALA SEQRES 48 A 700 VAL TYR HIS GLN GLN LEU ASP MET VAL GLN ALA ILE PHE SEQRES 49 A 700 TYR THR ALA GLY LYS LEU SER VAL ALA GLY ILE GLU ILE SEQRES 50 A 700 GLU THR ASP LYS PRO CYS ALA VAL LEU ILE LYS HIS ILE SEQRES 51 A 700 ASN GLY LYS GLN VAL ILE TRP ALA ALA ASP PRO LEU GLN SEQRES 52 A 700 LYS GLU LYS THR ALA VAL LEU SER ILE ARG ASP LEU LYS SEQRES 53 A 700 THR GLY LYS THR ASN ARG VAL LYS ILE ASP PHE PRO GLN SEQRES 54 A 700 GLN GLU PHE ALA GLY ALA THR VAL GLU LEU LYS

MODRES 1HM2 SER A 455 SER GLYCOSYLATION SITE MODRES 1HM2 SER A 328 SER GLYCOSYLATION SITE

HET MAN A 701 11 HET RAM A 702 10 HET GCU A 703 12 HET XYP A 704 9 HET MXY A 705 11 HET MAN A 706 11 HET RAM A 707 10 HET GCU A 708 12 HET ASG A 709 18 HET IDR A 710 12 HET IDR A 711 12 HET ASG A 712 19 HET CA A1801 1

HETNAM MAN ALPHA-D-MANNOSE HETNAM RAM ALPHA-L-RHAMNOSE HETNAM GCU D-GLUCURONIC ACID HETNAM XYP BETA-D-XYLOPYRANOSE HETNAM MXY 2-O-METHYL FUCOSE HETNAM ASG 2-DEOXY-2-ACETAMIDO-BETA-D-GALACTOSE-4-SULFATE HETNAM IDR L-IDURONIC ACID HETNAM CA CALCIUM ION

FORMUL 2 MAN 2(C6 H12 O6) FORMUL 2 RAM 2(C6 H12 O5) FORMUL 2 GCU 2(C6 H10 O7) FORMUL 2 XYP C5 H10 O5 FORMUL 2 MXY C7 H14 O5 FORMUL 4 ASG 2(C8 H15 N O9 S) FORMUL 4 IDR 2(C6 H10 O7) FORMUL 5 CA CA 2+ FORMUL 6 HOH *313(H2 O)

HELIX 1 1 GLY A 26 LYS A 40 1 15 HELIX 2 2 ASN A 45 LEU A 57 1 13 HELIX 3 3 PRO A 78 GLU A 94 1 17 HELIX 4 4 ASP A 102 ASP A 120 1 19 HELIX 5 5 ASN A 125 ILE A 131 1 7 HELIX 6 6 ILE A 131 MET A 144 1 14 HELIX 7 7 ARG A 145 GLY A 147 5 3 HELIX 8 8 ASP A 152 MET A 163 1 12 HELIX 9 9 GLU A 167 LYS A 171 5 5 HELIX 10 10 THR A 172 THR A 190 1 19 HELIX 11 11 ASP A 192 TYR A 205 1 14 HELIX 12 12 SER A 233 VAL A 249 1 17 HELIX 13 13 SER A 257 SER A 271 1 15 HELIX 14 14 TYR A 272 LYS A 274 5 3 HELIX 15 15 PHE A 283 ARG A 292 5 10 HELIX 16 16 LYS A 298 ALA A 300 5 3 HELIX 17 17 GLU A 301 ASP A 312 1 12 HELIX 18 18 HIS A 315 ASP A 327 1 13 HELIX 19 19 LEU A 379 LEU A 383 5 5 HELIX 20 20 ILE A 400 TRP A 404 5 5 HELIX 21 21 GLU A 405 ILE A 409 5 5 HELIX 22 22 TRP A 546 ILE A 549 5 4 HELIX 23 24 TYR A 595 THR A 598 5 4 HELIX 24 25 GLN A 689 ALA A 693 5 5

SHEET 1 A 2 GLY A 215 LEU A 216 0 SHEET 2 A 2 TYR A 222 LEU A 223 -1 O LEU A 223 N GLY A 215 SHEET 1 B 2 ILE A 276 ARG A 277 0 SHEET 2 B 2 TYR A 280 MET A 281 -1 O TYR A 280 N ARG A 277 SHEET 1 C 4 TYR A 339 PHE A 343 0 SHEET 2 C 4 TYR A 348 ARG A 353 -1 O TYR A 348 N PHE A 343 SHEET 3 C 4 TYR A 356 ARG A 361 -1 O TYR A 356 N ARG A 353 SHEET 4 C 4 ALA A 387 GLN A 391 -1 O ALA A 387 N ARG A 361 SHEET 1 D 5 THR A 413 ARG A 415 0 SHEET 2 D 5 ASN A 483 TRP A 492 -1 N THR A 485 O SER A 414 SHEET 3 D 5 VAL A 558 ALA A 571 -1 N PHE A 563 O SER A 491 SHEET 4 D 5 ALA A 533 SER A 538 -1 O ASN A 534 N ASN A 568 SHEET 5 D 5 ILE A 509 ALA A 514 -1 O THR A 510 N LEU A 537 SHEET 1 E 4 THR A 413 ARG A 415 0 SHEET 2 E 4 ASN A 483 TRP A 492 -1 N THR A 485 O SER A 414 SHEET 3 E 4 VAL A 558 ALA A 571 -1 N PHE A 563 O SER A 491 SHEET 4 E 4 SER A 541 GLY A 544 -1 N GLN A 542 O GLY A 560 SHEET 1 F 9 ALA A 436 SER A 440 0 SHEET 2 F 9 GLY A 445 TYR A 453 -1 O ALA A 446 N VAL A 439 SHEET 3 F 9 LEU A 456 PHE A 464 -1 O LEU A 456 N TYR A 453 SHEET 4 F 9 ILE A 469 SER A 478 -1 O VAL A 470 N PHE A 463 SHEET 5 F 9 ALA A 576 PRO A 584 -1 O ALA A 576 N ILE A 476 SHEET 6 F 9 ILE A 525 TYR A 528 -1 O GLY A 526 N LEU A 583 SHEET 7 F 9 TRP A 519 HIS A 522 -1 O LEU A 520 N TYR A 527 SHEET 8 F 9 VAL A 497 SER A 499 -1 O ILE A 498 N LEU A 521 SHEET 9 F 9 GLY A 502 THR A 504 -1 O GLY A 502 N SER A 499 SHEET 1 G 6 LYS A 601 ASN A 605 0 SHEET 2 G 6 LEU A 609 HIS A 614 -1 N ALA A 611 O ALA A 604 SHEET 3 G 6 MET A 619 PHE A 624 -1 O MET A 619 N HIS A 614 SHEET 4 G 6 CYS A 643 LYS A 648 -1 O CYS A 643 N PHE A 624 SHEET 5 G 6 VAL A 655 ALA A 659 -1 O VAL A 655 N LYS A 648 SHEET 6 G 6 VAL A 697 GLU A 698 -1 N VAL A 697 O ALA A 658 SHEET 1 H 4 GLY A 628 VAL A 632 0 SHEET 2 H 4 ILE A 635 THR A 639 -1 O ILE A 635 N VAL A 632 SHEET 3 H 4 THR A 667 ASP A 674 -1 N SER A 671 O GLU A 638 SHEET 4 H 4 THR A 680 ASP A 686 -1 O ASN A 681 N ILE A 672

LINK C1 MAN A 701 OG SER A 455 1555 1555 1.39 LINK OG SER A 328 C1 MAN A 706 1555 1555 1.39 LINK O4 MAN A 701 C1 RAM A 702 1555 1555 1.43 LINK O4 MAN A 706 C1 RAM A 707 1555 1555 1.43 LINK C1 GCU A 703 O2 MAN A 701 1555 1555 1.44 LINK O4 GCU A 703 C1B XYP A 704 1555 1555 1.45 LINK O4B XYP A 704 C1 MXY A 705 1555 1555 1.45 LINK O2 MAN A 706 C1 GCU A 708 1555 1555 1.45 LINK C1 ASG A 709 O4 IDR A 711 1555 1555 1.44 LINK O3 ASG A 712 C1 IDR A 711 1555 1555 1.47 LINK C1 IDR A 710 O3 ASG A 709 1555 1555 1.47 LINK OE2 GLU A 405 CA CA A1801 1555 1555 2.20 LINK CG ASP A 407 CA CA A1801 1555 1555 2.67 LINK OD1 ASP A 407 CA CA A1801 1555 1555 2.49 LINK OD2 ASP A 407 CA CA A1801 1555 1555 2.20 LINK OD1 ASP A 416 CA CA A1801 1555 1555 2.31 LINK O TYR A 417 CA CA A1801 1555 1555 2.45 LINK CA CA A1801 O HOH A 895 1555 1555 2.59 LINK CA CA A1801 O HOH A 874 1555 1555 2.41

SITE 1 AC1 4 SER A 455 ASN A 479 RAM A 702 GCU A 703 SITE 1 AC2 1 MAN A 701 SITE 1 AC3 5 ARG A 415 ARG A 421 MAN A 701 XYP A 704 SITE 2 AC3 5 HOH A 805 SITE 1 AC4 2 GCU A 703 MXY A 705 SITE 1 AC5 1 XYP A 704 SITE 1 AC6 8 SER A 328 VAL A 330 ALA A 331 VAL A 669 SITE 2 AC6 8 LYS A 684 RAM A 707 GCU A 708 HOH A 784 SITE 1 AC7 3 MAN A 706 HOH A 793 HOH A 997 SITE 1 AC8 2 LYS A 299 MAN A 706 SITE 1 AC9 9 TRP A 127 ARG A 288 ARG A 292 IDR A 710 SITE 2 AC9 9 IDR A 711 HOH A 806 HOH A 942 HOH A 960 SITE 3 AC9 9 HOH A1017 SITE 1 BC1 4 TRP A 127 VAL A 237 ASG A 709 HOH A 945 SITE 1 BC2 10 ASN A 125 TRP A 127 ASN A 175 HIS A 225 SITE 2 BC2 10 TYR A 234 ARG A 288 ASN A 374 TRP A 427 SITE 3 BC2 10 ASG A 709 ASG A 712 SITE 1 BC3 5 TRP A 126 ASN A 175 HIS A 225 IDR A 711 SITE 2 BC3 5 HOH A 893 SITE 1 BC4 6 GLU A 405 ASP A 407 ASP A 416 TYR A 417 SITE 2 BC4 6 HOH A 874 HOH A 895

CRYST1 86.900 86.900 192.300 90.00 90.00 90.00 P 43 21 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 0.011507 0.000000 0.000000 0.00000

SCALE2 0.000000 0.011507 0.000000 0.00000

SCALE3 0.000000 0.000000 0.005200 0.00000