10 20 30 40 50 60 70 80 1QBC - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER GLYCOSYL HYDROLASE 07-JUN-96 1QBC
TITLE HEXOSAMINIDASE ALPHA CHAIN, GLYCOSYL HYDROLASE FAMILY 20, TITLE 2 THEORETICAL MODEL
COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEXOSAMINIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: ALPHA CHAIN; COMPND 5 EC: 3.2.1.30
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN
KEYWDS GLYCOSYL HYDROLASE, HEXOSAMINIDASE, TAY-SACHS DISEASE, BA8- KEYWDS 2 BARREL
EXPDTA THEORETICAL MODEL
AUTHOR I.TEWS,A.PERRAKIS,A.OPPENHEIM,Z.DAUTER,K.S.WILSON, AUTHOR 2 C.E.VORGIAS
REVDAT 1 11-JAN-97 1QBC 0
JRNL AUTH I.TEWS,A.PERRAKIS,A.OPPENHEIM,Z.DAUTER,K.S.WILSON, JRNL AUTH 2 C.E.VORGIAS JRNL TITL BACTERIAL CHITOBIASE STRUCTURE PROVIDES INSIGHT JRNL TITL 2 INTO CATALYTIC MECHANISM AND THE BASIS OF JRNL TITL 3 TAY-SACHS DISEASE. JRNL REF NAT.STRUCT.BIOL. V. 3 638 1996 JRNL REFN ASTM NSBIEW US ISSN 1072-8368
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.MYEROWITZ,R.PIEKARZ,E.F.NEUFELD,T.B.SHOWS, REMARK 1 AUTH 2 K.SUZUKI REMARK 1 TITL HUMAN BETA-HEXOSAMINIDASE ALPHA CHAIN: CODING REMARK 1 TITL 2 SEQUENCE AND HOMOLOGY WITH THE BETA CHAIN REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 82 7830 1985 REMARK 1 REFN ASTM PNASA6 US ISSN 0027-8424 REMARK 1 REFERENCE 2 REMARK 1 AUTH I.TEWS REMARK 1 REF SERRATIA MARCESCENS 1996 REMARK 1 REF 2 CHITOBIASE REMARK 1 PUBL HEIDELBERG : UNIVERSITY OF HEIDELBERG (THESIS) REMARK 1 REFN GW
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1QBC COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998
REMARK 220 REMARK 220 EXPERIMENTAL DETAILS REMARK 220 EXPERIMENT TYPE : THEORETICAL MODELLING REMARK 220 REMARK 220 REMARK: NULL
REMARK 225 REMARK 225 THEORETICAL MODEL REMARK 225 THE COORDINATES IN THIS ENTRY REPRESENT A MODEL STRUCTURE. REMARK 225 PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND REMARK 225 SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE REMARK 225 RECORDS ARE MEANINGLESS.
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 THR A 109 REMARK 465 LEU A 110 REMARK 465 GLU A 111 REMARK 465 SER A 112 REMARK 465 VAL A 113 REMARK 465 GLU A 114 REMARK 465 ASN A 115 REMARK 465 TYR A 116 REMARK 465 THR A 117 REMARK 465 LEU A 118 REMARK 465 THR A 119 REMARK 465 ILE A 120 REMARK 465 ASN A 121 REMARK 465 ASP A 122 REMARK 465 ASP A 123 REMARK 465 GLN A 124 REMARK 465 CYS A 125 REMARK 465 LEU A 126 REMARK 465 LEU A 127 REMARK 465 LEU A 128 REMARK 465 SER A 129 REMARK 465 GLU A 130 REMARK 465 THR A 131 REMARK 465 VAL A 132 REMARK 465 TRP A 133 REMARK 465 GLY A 134 REMARK 465 ALA A 135 REMARK 465 LEU A 136 REMARK 465 ARG A 137 REMARK 465 GLY A 138 REMARK 465 LEU A 139 REMARK 465 GLU A 140 REMARK 465 THR A 141 REMARK 465 PHE A 142 REMARK 465 SER A 143 REMARK 465 GLN A 144 REMARK 465 LEU A 145 REMARK 465 VAL A 146 REMARK 465 TRP A 147 REMARK 465 LYS A 148 REMARK 465 SER A 149 REMARK 465 ALA A 150 REMARK 465 GLU A 151 REMARK 465 GLY A 152 REMARK 465 THR A 153 REMARK 465 PHE A 154 REMARK 465 PHE A 155 REMARK 465 ILE A 156 REMARK 465 ASN A 157 REMARK 465 LYS A 158 REMARK 465 THR A 159 REMARK 465 PHE A 344 REMARK 465 ASN A 399 REMARK 465 LYS A 488 REMARK 465 LEU A 489 REMARK 465 THR A 490 REMARK 465 SER A 491 REMARK 465 ASP A 492 REMARK 465 LEU A 493 REMARK 465 THR A 494 REMARK 465 PHE A 495 REMARK 465 ALA A 496 REMARK 465 TYR A 497 REMARK 465 GLU A 498 REMARK 465 ARG A 499 REMARK 465 LEU A 500 REMARK 465 SER A 501 REMARK 465 HIS A 502 REMARK 465 PHE A 503 REMARK 465 ARG A 504 REMARK 465 CYS A 505 REMARK 465 GLU A 506 REMARK 465 LEU A 507 REMARK 465 LEU A 508 REMARK 465 ARG A 509 REMARK 465 ARG A 510 REMARK 465 GLY A 511 REMARK 465 VAL A 512 REMARK 465 GLN A 513 REMARK 465 ALA A 514 REMARK 465 GLN A 515 REMARK 465 PRO A 516 REMARK 465 LEU A 517 REMARK 465 ASN A 518 REMARK 465 VAL A 519 REMARK 465 GLY A 520 REMARK 465 PHE A 521 REMARK 465 CYS A 522 REMARK 465 GLU A 523 REMARK 465 GLN A 524 REMARK 465 GLU A 525 REMARK 465 PHE A 526 REMARK 465 GLU A 527 REMARK 465 GLN A 528 REMARK 465 THR A 529
REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI REMARK 500 CA MET A 339 CA GLY A 343 1.28 REMARK 500 O SER A 177 CB SER A 210 1.37 REMARK 500 O SER A 177 OG SER A 210 1.38 REMARK 500 O ASN A 228 N VAL A 230 1.42 REMARK 500 CD PRO A 283 O THR A 286 1.46 REMARK 500 O LEU A 205 CD PRO A 212 1.51 REMARK 500 O PRO A 283 N GLY A 285 1.51 REMARK 500 C MET A 339 CA GLY A 343 1.67 REMARK 500 O MET A 339 N GLY A 343 1.74 REMARK 500 O LEU A 264 CD PRO A 268 1.75 REMARK 500 O ALA A 418 N TRP A 420 1.77 REMARK 500 O THR A 467 CD PRO A 471 1.77 REMARK 500 O LYS A 342 N GLY A 345 1.80 REMARK 500 C SER A 177 CB SER A 210 1.82 REMARK 500 O TRP A 266 CG1 ILE A 270 1.84 REMARK 500 O MET A 339 CA GLY A 343 1.86 REMARK 500 CB MET A 339 O GLY A 343 1.90 REMARK 500 O MET A 339 C GLY A 343 1.91 REMARK 500 O MET A 339 N GLY A 345 1.98 REMARK 500 CG2 VAL A 371 CG1 ILE A 388 1.99 REMARK 500 O LEU A 205 CG PRO A 212 2.00 REMARK 500 CE1 TYR A 370 O ASP A 386 2.09 REMARK 500 O GLY A 428 OD2 ASP A 433 2.11 REMARK 500 CD1 TYR A 370 O ASP A 386 2.12 REMARK 500 O GLU A 394 CB TYR A 400 2.13 REMARK 500 C SER A 177 OG SER A 210 2.14 REMARK 500 C MET A 339 C GLY A 343 2.14 REMARK 500 NZ LYS A 368 N TYR A 370 2.14 REMARK 500 CA SER A 177 CB SER A 210 2.17 REMARK 500 OG SER A 279 OG SER A 331 2.17 REMARK 500 CA MET A 339 C GLY A 343 2.17 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),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 229 N PRO A 229 CA -0.107 REMARK 500 GLU A 443 CA GLU A 443 C -0.168 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A 229 C - N - CA ANGL. DEV. =-21.9 DEGREES REMARK 500 VAL A 230 N - CA - C ANGL. DEV. =-19.4 DEGREES REMARK 500 PHE A 326 CB - CA - C ANGL. DEV. =-24.4 DEGREES REMARK 500 THR A 327 N - CA - C ANGL. DEV. = 21.0 DEGREES REMARK 500 GLU A 443 CB - CA - C ANGL. DEV. =-21.3 DEGREES REMARK 500 GLU A 443 CA - C - N ANGL. DEV. =-44.3 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 THR A 217 -38.63 85.61 REMARK 500 LYS A 342 -37.74 141.13 REMARK 500 VAL A 398 15.88 119.57 REMARK 500 TRP A 420 50.71 -8.07 REMARK 500 VAL A 464 -60.03 134.24 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ASN A 228 PRO A 229 -119.83 REMARK 500 PHE A 312 PRO A 313 41.90 REMARK 500 PHE A 326 THR A 327 52.74 REMARK 500 PRO A 419 TRP A 420 90.27 REMARK 500 GLU A 443 GLY A 444 -134.37 REMARK 500 TYR A 463 VAL A 464 114.08
REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET PRESENTED AS BAB ON SHEET RECORDS BELOW IS REMARK 700 ACTUALLY AN 8-STRANDED BETA-BARREL. THIS IS REMARK 700 REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND REMARK 700 LAST STRANDS ARE IDENTICAL.
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 1QBA,1QBB AND 1QBD
REMARK 999 REMARK 999 SEQUENCE REMARK 999 1QBC SWS P06865 1 - 159 NOT IN ATOMS LIST REMARK 999 1QBC SWS P06865 488 - 529 NOT IN ATOMS LIST REMARK 999 REMARK 999 NUMBERING OF AMINO ACIDS IS CONSISTENT WITH THE PUBLISHED REMARK 999 PRIMARY SEQUENCE OF HEXOSAMINIDASE ALPHA CHAIN.
DBREF 1QBC A 109 529 UNP P06865 HEXA_HUMAN 109 529
SEQRES 1 A 421 THR LEU GLU SER VAL GLU ASN TYR THR LEU THR ILE ASN SEQRES 2 A 421 ASP ASP GLN CYS LEU LEU LEU SER GLU THR VAL TRP GLY SEQRES 3 A 421 ALA LEU ARG GLY LEU GLU THR PHE SER GLN LEU VAL TRP SEQRES 4 A 421 LYS SER ALA GLU GLY THR PHE PHE ILE ASN LYS THR GLU SEQRES 5 A 421 ILE GLU ASP PHE PRO ARG PHE PRO HIS ARG GLY LEU LEU SEQRES 6 A 421 LEU ASP THR SER ARG HIS TYR LEU PRO LEU SER SER ILE SEQRES 7 A 421 LEU ASP THR LEU ASP VAL MET ALA TYR ASN LYS LEU ASN SEQRES 8 A 421 VAL PHE HIS TRP HIS LEU VAL ASP ASP PRO SER PHE PRO SEQRES 9 A 421 TYR GLU SER PHE THR PHE PRO GLU LEU MET ARG LYS GLY SEQRES 10 A 421 SER TYR ASN PRO VAL THR HIS ILE TYR THR ALA GLN ASP SEQRES 11 A 421 VAL LYS GLU VAL ILE GLU TYR ALA ARG LEU ARG GLY ILE SEQRES 12 A 421 ARG VAL LEU ALA GLU PHE ASP THR PRO GLY HIS THR LEU SEQRES 13 A 421 SER TRP GLY PRO GLY ILE PRO GLY LEU LEU THR PRO CYS SEQRES 14 A 421 TYR SER GLY SER GLU PRO SER GLY THR PHE GLY PRO VAL SEQRES 15 A 421 ASN PRO SER LEU ASN ASN THR TYR GLU PHE MET SER THR SEQRES 16 A 421 PHE PHE LEU GLU VAL SER SER VAL PHE PRO ASP PHE TYR SEQRES 17 A 421 LEU HIS LEU GLY GLY ASP GLU VAL ASP PHE THR CYS TRP SEQRES 18 A 421 LYS SER ASN PRO GLU ILE GLN ASP PHE MET ARG LYS LYS SEQRES 19 A 421 GLY PHE GLY GLU ASP PHE LYS GLN LEU GLU SER PHE TYR SEQRES 20 A 421 ILE GLN THR LEU LEU ASP ILE VAL SER SER TYR GLY LYS SEQRES 21 A 421 GLY TYR VAL VAL TRP GLN GLU VAL PHE ASP ASN LYS VAL SEQRES 22 A 421 LYS ILE GLN PRO ASP THR ILE ILE GLN VAL TRP ARG GLU SEQRES 23 A 421 ASP ILE PRO VAL ASN TYR MET LYS GLU LEU GLU LEU VAL SEQRES 24 A 421 THR LYS ALA GLY PHE ARG ALA LEU LEU SER ALA PRO TRP SEQRES 25 A 421 TYR LEU ASN ARG ILE SER TYR GLY PRO ASP TRP LYS ASP SEQRES 26 A 421 PHE TYR VAL VAL GLU PRO LEU ALA PHE GLU GLY THR PRO SEQRES 27 A 421 GLU GLN LYS ALA LEU VAL ILE GLY GLY GLU ALA CYS MET SEQRES 28 A 421 TRP GLY GLU TYR VAL ASP ASN THR ASN LEU VAL PRO ARG SEQRES 29 A 421 LEU TRP PRO ARG ALA GLY ALA VAL ALA GLU ARG LEU TRP SEQRES 30 A 421 SER ASN LYS LEU THR SER ASP LEU THR PHE ALA TYR GLU SEQRES 31 A 421 ARG LEU SER HIS PHE ARG CYS GLU LEU LEU ARG ARG GLY SEQRES 32 A 421 VAL GLN ALA GLN PRO LEU ASN VAL GLY PHE CYS GLU GLN SEQRES 33 A 421 GLU PHE GLU GLN THR
HELIX 1 A1 LEU A 183 TYR A 195 1B/A-BARREL HELIX ALPHA-1 13 HELIX 2 L21 PRO A 219 ARG A 223 1LOOP-2 HELIX-1 5 HELIX 3 A2 ALA A 236 LEU A 248 1B/A-BARREL HELIX ALPHA-2 13 HELIX 4 L31 LEU A 264 GLY A 267 1LOOP-3 HELIX-1 4 HELIX 5 A3 ASN A 295 VAL A 311 1B/A-BARREL HELIX ALPHA-3 17 HELIX 6 L41 PRO A 333 ARG A 340 1LOOP-4 HELIX-1 8 HELIX 7 A4 GLN A 350 TYR A 366 1B/A BARREL HELIX ALPHA-4 17 HELIX 8 L51 GLN A 374 ASP A 378 1LOOP-5 HELIX-1 5 HELIX 9 A5 TYR A 400 ALA A 410 1B/A BARREL HELIX ALPHA-5 11 HELIX 10 10 TRP A 431 VAL A 436 1LOOP-7 HELIX-1 6 HELIX 11 A8A ASN A 466 LEU A 473 1B/A BARREL HELIX ALPHA-8A 8 HELIX 12 A8B ARG A 476 TRP A 485 1B/A BARREL HELIX ALPHA-8B 10
SHEET 1 BAB 9 ARG A 170 ASP A 175 0 SHEET 2 BAB 9 VAL A 200 HIS A 204 1 N VAL A 200 O ARG A 170 SHEET 3 BAB 9 ARG A 252 GLU A 256 1 N LEU A 254 O PHE A 201 SHEET 4 BAB 9 HIS A 318 GLY A 320 1 N GLY A 320 O ALA A 255 SHEET 5 BAB 9 TYR A 370 TRP A 373 1 N TRP A 373 O GLY A 320 SHEET 6 BAB 9 ILE A 388 VAL A 391 1 N ILE A 388 O TYR A 370 SHEET 7 BAB 9 ARG A 413 LEU A 416 1 N LEU A 415 O ILE A 389 SHEET 8 BAB 9 GLY A 454 MET A 459 1 N GLY A 454 O ALA A 414 SHEET 9 BAB 9 ARG A 170 ASP A 175 1
CISPEP 1 THR A 259 PRO A 260 0 5.81 CISPEP 2 GLY A 369 TYR A 370 0 4.34 CISPEP 3 GLN A 384 PRO A 385 0 14.81 CISPEP 4 TRP A 474 PRO A 475 0 4.11
CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1
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 1.000000 0.000000 0.000000 0.00000
SCALE2 0.000000 1.000000 0.000000 0.00000
SCALE3 0.000000 0.000000 1.000000 0.00000