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(-) Description

Title :  XYLOSE ISOMERASE FROM THERMOANAEROBACTERIUM THERMOSULFURIGENES
 
Authors :  O. Gallay, R. Chopra, E. Conti, P. Brick, D. Blow
Date :  28 Nov 97  (Deposition) - 03 Jun 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Ketolisomerase, Xylose Metabolism, Glucose-Fructose Interconversion, Hydride Transfer, Alpha-Beta Barrel, Metalloenzyme, Thermophile (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  O. Gallay, R. Chopra, E. Conti, P. Brick, R. Jackson, B. Hartley, C. Vieille, J. G. Zeikus, D. Blow
Crystal Structures Of Class Ii Xylose Isomerases From Two Thermophiles And A Hyperthermophile
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - XYLOSE ISOMERASE
    Cellular Location: CYTOPLASM
    Chains: A, B, C, D
    EC Number: 5.3.1.5
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Cellular Location: CYTOPLASM
    Expression System Gene: XYLA
    Expression System Plasmid: PCMG11
    Expression System Strain: HB101
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: XYLA
    Organism Scientific: THERMOANAEROBACTERIUM THERMOSULFURIGENES
    Organism Taxid: 33950
    Strain: 4B
    Synonym: GLUCOSE ISOMERASE

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 8)

Asymmetric/Biological Unit (1, 8)
No.NameCountTypeFull Name
1CO8Ligand/IonCOBALT (II) ION

(-) Sites  (16, 16)

Asymmetric Unit (16, 16)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLU A:231 , GLU A:267 , ASP A:295 , ASP A:338 , HOH A:494 , HOH A:495BINDING SITE FOR RESIDUE CO A 491
02AC2SOFTWAREGLU A:267 , HIS A:270 , ASP A:306 , ASP A:308 , HOH A:493BINDING SITE FOR RESIDUE CO A 492
03AC3SOFTWAREGLU B:231 , GLU B:267 , ASP B:295 , ASP B:338 , HOH B:527 , HOH B:528BINDING SITE FOR RESIDUE CO B 491
04AC4SOFTWAREGLU B:267 , HIS B:270 , ASP B:306 , ASP B:308 , HOH B:526BINDING SITE FOR RESIDUE CO B 492
05AC5SOFTWAREGLU C:231 , GLU C:267 , ASP C:295 , ASP C:338 , HOH C:525 , HOH C:526BINDING SITE FOR RESIDUE CO C 491
06AC6SOFTWAREGLU C:267 , HIS C:270 , ASP C:306 , ASP C:308 , HOH C:524BINDING SITE FOR RESIDUE CO C 492
07AC7SOFTWAREGLU D:231 , GLU D:267 , ASP D:295 , ASP D:338 , HOH D:558 , HOH D:559BINDING SITE FOR RESIDUE CO D 491
08AC8SOFTWAREGLU D:267 , HIS D:270 , ASP D:306 , ASP D:308 , HOH D:557BINDING SITE FOR RESIDUE CO D 492
09CO1UNKNOWNGLU A:231 , GLU A:267 , ASP A:295 , ASP A:338 , HOH A:494 , HOH A:495CO BINDING SITE 1 OF MOLECULE A
10CO2UNKNOWNGLU A:267 , HIS A:270 , ASP A:306 , ASP A:308 , HOH A:493CO BINDING SITE 2 OF MOLECULE A
11CO3UNKNOWNGLU B:231 , GLU B:267 , ASP B:295 , ASP B:338 , HOH B:527 , HOH B:528CO BINDING SITE 1 OF MOLECULE B
12CO4UNKNOWNGLU B:267 , HIS B:270 , ASP B:306 , ASP B:308 , HOH B:526CO BINDING SITE 2 OF MOLECULE B
13CO5UNKNOWNGLU C:231 , GLU C:267 , ASP C:295 , ASP C:338 , HOH C:525 , HOH C:526CO BINDING SITE 1 OF MOLECULE C
14CO6UNKNOWNGLU C:267 , HIS C:270 , ASP C:306 , ASP C:308 , HOH C:524CO BINDING SITE 2 OF MOLECULE C
15CO7UNKNOWNGLU D:231 , GLU D:267 , ASP D:295 , ASP D:338 , HOH D:558 , HOH D:559CO BINDING SITE 1 OF MOLECULE D
16CO8UNKNOWNGLU D:267 , HIS D:270 , ASP D:306 , ASP D:308 , HOH D:557CO BINDING SITE 2 OF MOLECULE D

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1A0C)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Glu A:236 -Pro A:237
2Glu B:236 -Pro B:237
3Glu C:236 -Pro C:237
4Glu D:236 -Pro D:237

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1A0C)

(-) PROSITE Motifs  (1, 4)

Asymmetric/Biological Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1XYLOSE_ISOMERASEPS51415 Xylose isomerase family profile.XYLA_THETU35-436
 
 
 		  4A:34-435
B:34-435
C:34-435
D:34-435

(-) Exons   (0, 0)

(no "Exon" information available for 1A0C)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:437
 aligned with XYLA_THETU | P19148 from UniProtKB/Swiss-Prot  Length:439

    Alignment length:437
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       
           XYLA_THETU     2 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 438
               SCOP domains d1a0ca_ A: D-xylose isomerase                                                                                                                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1a0cA00 A:1-437 Divalent-metal-dependent TIM barrel enzymes                                                                                                                                                                                                                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....................................hhhhh.eeeehhhhh...............hhhh...hhhhhhhhhhhhhhhhhhh...eeeeehhhh......hhhhhhhhhhhhhhhhhhhh....eeeeee......hhh.........hhhhhhhhhhhhhhhhhhhh....eeee.........hhh..hhhhhhhhhhhhhhhhhhhhh.....eeeee..............hhhhhhhhhh......eeeeeehhhhhhh...hhhhhhhhhhh..eeeee..................hhhhhhhhhhhhh........eee..........hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhh..hhhhhhhh....hhhhhhhhhh..........hhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------XYLOSE_ISOMERASE  PDB: A:34-435 UniProt: 35-436                                                                                                                                                                                                                                                                                                                                                                   -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a0c A   1 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 437
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       


Chain B from PDB  Type:PROTEIN  Length:437
 aligned with XYLA_THETU | P19148 from UniProtKB/Swiss-Prot  Length:439

    Alignment length:437
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       
           XYLA_THETU     2 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 438
               SCOP domains d1a0cb_ B: D-xylose isomerase                                                                                                                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1a0cB00 B:1-437 Divalent-metal-dependent TIM barrel enzymes                                                                                                                                                                                                                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....................................hhhhh.eeeehhhhh...............hhhh...hhhhhhhhhhhhhhhhhhh...eeeeehhhh......hhhhhhhhhhhhhhhhhhhh....eeeeee......hhh.........hhhhhhhhhhhhhhhhhhhh....eeee.........hhh..hhhhhhhhhhhhhhhhhhhhh.....eeeee..............hhhhhhhhhh......eeeeeehhhhhhh...hhhhhhhhhhh..eeeee..................hhhhhhhhhhhhh........eee..........hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhh..hhhhhhhh....hhhhhhhhhh..........hhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------XYLOSE_ISOMERASE  PDB: B:34-435 UniProt: 35-436                                                                                                                                                                                                                                                                                                                                                                   -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a0c B   1 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 437
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       


Chain C from PDB  Type:PROTEIN  Length:437
 aligned with XYLA_THETU | P19148 from UniProtKB/Swiss-Prot  Length:439

    Alignment length:437
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       
           XYLA_THETU     2 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 438
               SCOP domains d1a0cc_ C: D-xylose isomerase                                                                                                                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1a0cC00 C:1-437 Divalent-metal-dependent TIM barrel enzymes                                                                                                                                                                                                                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....................................hhhhh.eeeehhhhh...............hhhh...hhhhhhhhhhhhhhhhhhh...eeeeehhhh......hhhhhhhhhhhhhhhhhhhh....eeeeee......hhh.........hhhhhhhhhhhhhhhhhhhh....eeee.........hhh..hhhhhhhhhhhhhhhhhhhhh.....eeeee..............hhhhhhhhhh......eeeeeehhhhhhh...hhhhhhhhhhh..eeeee..................hhhhhhhhhhhhh........eee..........hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhh..hhhhhhhh....hhhhhhhhhh..........hhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------XYLOSE_ISOMERASE  PDB: C:34-435 UniProt: 35-436                                                                                                                                                                                                                                                                                                                                                                   -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a0c C   1 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 437
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       


Chain D from PDB  Type:PROTEIN  Length:437
 aligned with XYLA_THETU | P19148 from UniProtKB/Swiss-Prot  Length:439

    Alignment length:437
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       
           XYLA_THETU     2 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 438
               SCOP domains d1a0cd_ D: D-xylose isomerase                                                                                                                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1a0cD00 D:1-437 Divalent-metal-dependent TIM barrel enzymes                                                                                                                                                                                                                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....................................hhhhh.eeeehhhhh...............hhhh...hhhhhhhhhhhhhhhhhhh...eeeeehhhh......hhhhhhhhhhhhhhhhhhhh....eeeeee......hhh.........hhhhhhhhhhhhhhhhhhhh....eeee.........hhh..hhhhhhhhhhhhhhhhhhhhh.....eeeee..............hhhhhhhhhh......eeeeeehhhhhhh...hhhhhhhhhhh..eeeee..................hhhhhhhhhhhhh........eee..........hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.hhh..hhhhhhhh....hhhhhhhhhh..........hhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------XYLOSE_ISOMERASE  PDB: D:34-435 UniProt: 35-436                                                                                                                                                                                                                                                                                                                                                                   -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a0c D   1 NKYFENVSKIKYEGPKSNNPYSFKFYNPEEVIDGKTMEEHLRFSIAYWHTFTADGTDQFGKATMQRPWNHYTDPMDIAKARVEAAFEFFDKINAPYFCFHDRDIAPEGDTLRETNKNLDTIVAMIKDYLKTSKTKVLWGTANLFSNPRFVHGASTSCNADVFAYSAAQVKKALEITKELGGENYVFWGGREGYETLLNTDMEFELDNFARFLHMAVDYAKEIGFEGQFLIEPKPKEPTKHQYDFDVANVLAFLRKYDLDKYFKVNIEANHATLAFHDFQHELRYARINGVLGSIDANTGDMLLGWDTDQFPTDIRMTTLAMYEVIKMGGFDKGGLNFDAKVRRASFEPEDLFLGHIAGMDAFAKGFKVAYKLVKDRVFDKFIEERYASYKDGIGADIVSGKADFRSLEKYALERSQIVNKSGRQELLESILNQYLFA 437
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 4)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 4)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1A0C)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D   (XYLA_THETU | P19148)
molecular function
    GO:0016853    isomerase activity    Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0009045    xylose isomerase activity    Catalysis of the reaction: D-xylose = D-xylulose.
biological process
    GO:0042732    D-xylose metabolic process    The chemical reactions and pathways involving D-xylose, a naturally occurring plant polysaccharide.
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0006098    pentose-phosphate shunt    The glucose-6-phosphate catabolic process in which, coupled to NADPH synthesis, glucose-6-P is oxidized with the formation of carbon dioxide (CO2) and ribulose 5-phosphate; ribulose 5-P then enters a series of reactions interconverting sugar phosphates. The pentose phosphate pathway is a major source of reducing equivalents for biosynthesis reactions and is also important for the conversion of hexoses to pentoses.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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  1a0c
    Family and Domain Information: ProDom | SYSTERS
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  XYLA_THETU | P19148
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