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(-) Description

Title :  MONOCLINIC CRYSTAL FORM OF ASPERGILLUS NIGER ALPHA-AMYLASE IN COMPLEX WITH MALTOSE AT 1.8 A RESOLUTION
 
Authors :  A. Vujicic-Zagar, B. W. Dijkstra
Date :  03 May 06  (Deposition) - 15 Aug 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  (Beta-Alpha)8 Barrel, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. Vujicic-Zagar, B. W. Dijkstra
Monoclinic Crystal Form Of Aspergillus Niger Alpha-Amylase In Complex With Maltose At 1. 8 Angstroms Resolution.
Acta Crystallogr. , Sect. F V. 62 716 2006
PubMed-ID: 16880540  |  Reference-DOI: 10.1107/S1744309106024729

(-) Compounds

Molecule 1 - ALPHA-AMYLASE A
    ChainsA, B
    EC Number3.2.1.1
    EngineeredYES
    Expression SystemASPERGILLUS ORYZAE
    Expression System Taxid5062
    GeneAMY1
    Organism ScientificASPERGILLUS ORYZAE
    Organism Taxid5062
    SynonymTAKA-AMYLASE A, TAA, 1,4- ALPHA-D-GLUCAN GLUCANOHYDROLASE

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 16)

Asymmetric Unit (5, 16)
No.NameCountTypeFull Name
1BGC3Ligand/IonBETA-D-GLUCOSE
2CA2Ligand/IonCALCIUM ION
3GLC9Ligand/IonALPHA-D-GLUCOSE
4NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE
5NDG1Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
Biological Unit 1 (3, 9)
No.NameCountTypeFull Name
1BGC2Ligand/IonBETA-D-GLUCOSE
2CA-1Ligand/IonCALCIUM ION
3GLC6Ligand/IonALPHA-D-GLUCOSE
4NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE
5NDG-1Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
Biological Unit 2 (3, 5)
No.NameCountTypeFull Name
1BGC1Ligand/IonBETA-D-GLUCOSE
2CA-1Ligand/IonCALCIUM ION
3GLC3Ligand/IonALPHA-D-GLUCOSE
4NAG-1Ligand/IonN-ACETYL-D-GLUCOSAMINE
5NDG1Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE

(-) Sites  (16, 16)

Asymmetric Unit (16, 16)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETYR A:88 , TRP A:190 , SER A:193 , LEU A:194 , ASN A:197 , HOH A:1180BINDING SITE FOR RESIDUE NAG A 500
02AC2SOFTWARETYR A:155 , LYS A:209 , GLC A:1001 , HOH A:1309BINDING SITE FOR RESIDUE BGC A 1002
03AC3SOFTWARETYR A:155 , LEU A:166 , HIS A:210 , GLC A:1000 , BGC A:1002 , HOH A:1066 , HOH A:1069 , HOH A:1168 , HOH A:1312 , HOH A:1327 , HOH A:1372BINDING SITE FOR RESIDUE GLC A 1001
04AC4SOFTWARETYR A:82 , HIS A:122 , ARG A:204 , ASP A:206 , THR A:207 , GLU A:230 , HIS A:296 , ASP A:297 , ARG A:344 , GLC A:999 , GLC A:1001 , HOH A:1069 , HOH A:1372BINDING SITE FOR RESIDUE GLC A 1000
05AC5SOFTWAREHIS A:80 , TYR A:82 , TRP A:83 , LEU A:173 , ASP A:340 , ARG A:344 , GLC A:1000 , HOH A:1030 , HOH A:1069 , HOH A:1310 , HOH A:1311 , HOH A:1312 , HOH A:1313BINDING SITE FOR RESIDUE GLC A 999
06AC6SOFTWAREGLY A:234 , ASP A:235 , PRO A:236 , GLC A:1004 , HOH A:1141 , HOH A:1194 , HOH A:1376BINDING SITE FOR RESIDUE BGC A 1003
07AC7SOFTWAREASP A:233 , GLY A:234 , ASP A:235 , TYR A:256 , BGC A:1003 , HOH A:1374BINDING SITE FOR RESIDUE GLC A 1004
08AC8SOFTWARELYS A:280 , GLC A:1012 , HOH A:1333BINDING SITE FOR RESIDUE GLC A 1011
09AC9SOFTWARETYR A:382 , LYS A:383 , GLC A:1011 , HOH A:1146 , HOH A:1344BINDING SITE FOR RESIDUE GLC A 1012
10BC1SOFTWAREASN A:121 , GLU A:162 , ASP A:175 , HIS A:210 , HOH A:1013 , HOH A:1083 , HOH A:1211BINDING SITE FOR RESIDUE CA A 801
11BC2SOFTWARETYR B:88 , TRP B:190 , SER B:193 , ASN B:197 , HOH B:1159 , HOH B:1342BINDING SITE FOR RESIDUE NDG B 500
12BC3SOFTWARETYR B:82 , HIS B:122 , ARG B:204 , ASP B:206 , THR B:207 , GLU B:230 , HIS B:296 , ASP B:297 , ARG B:344 , GLC B:999 , GLC B:1001BINDING SITE FOR RESIDUE GLC B 1000
13BC4SOFTWARETYR B:82 , TRP B:83 , ASP B:340 , ARG B:344 , GLC B:1000 , HOH B:1163 , HOH B:1178 , HOH B:1357BINDING SITE FOR RESIDUE GLC B 999
14BC5SOFTWARETYR B:155 , LYS B:209 , GLC B:1001 , HOH B:1358BINDING SITE FOR RESIDUE BGC B 1002
15BC6SOFTWARETYR B:155 , LEU B:166 , HIS B:210 , GLC B:1000 , BGC B:1002 , HOH B:1040BINDING SITE FOR RESIDUE GLC B 1001
16BC7SOFTWAREASN B:121 , GLU B:162 , ASP B:175 , HIS B:210 , HOH B:1006 , HOH B:1023 , HOH B:1252BINDING SITE FOR RESIDUE CA B 802

(-) SS Bonds  (8, 8)

Asymmetric Unit
No.Residues
1A:30 -A:38
2A:150 -A:164
3A:240 -A:283
4A:440 -A:475
5B:30 -B:38
6B:150 -B:164
7B:240 -B:283
8B:440 -B:475

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Lys A:138 -Pro A:139
2Asp A:340 -Pro A:341
3Lys B:138 -Pro B:139
4Asp B:340 -Pro B:341

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2GVY)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2GVY)

(-) Exons   (0, 0)

(no "Exon" information available for 2GVY)

(-) Sequences/Alignments

Asymmetric 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:476
 aligned with AMYA1_ASPOR | P0C1B3 from UniProtKB/Swiss-Prot  Length:499

    Alignment length:476
                                    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       441       451       461       471       481       491      
          AMYA1_ASPOR    22 ATPADWRSQSIYFLLTDRFARTDGSTTATCNTADQKYCGGTWQGIIDKLDYIQGMGFTAIWITPVTAQLPQTTAYGDAYHGYWQQDIYSLNENYGTADDLKALSSALHERGMYLMVDVVANHMGYDGAGSSVDYSVFKPFSSQDYFHPFCFIQNYEDQTQVEDCWLGDNTVSLPDLDTTKDVVKNEWYDWVGSLVSNYSIDGLRIDTVKHVQKDFWPGYNKAAGVYCIGEVLDGDPAYTCPYQNVMDGVLNYPIYYPLLNAFKSTSGSMDDLYNMINTVKSDCPDSTLLGTFVENHDNPRFASYTNDIALAKNVAAFIILNDGIPIIYAGQEQHYAGGNDPANREATWLSGYPTDSELYKLIASANAIRNYAISKDTGFVTYKNWPIYKDDTTIAMRKGTDGSQIVTILSNKGASGDSYTLSLSGAGYTAGQQLTEVIGCTTVTVGSDGNVPVPMAGGLPRVLYPTEKLAGSKICS 497
               SCOP domains d2gvya2 A:1-381 Fungal alpha-amylases                                                                                                                                                                                                                                                                                                                                                        d2gvya1 A:382-476 Fungal alpha-amylase                                                          SCOP domains
               CATH domains 2gvyA01 A:1-374 Glycosidases                                                                                                                                                                                                                                                                                                                                                          2gvyA02 A:375-476 Golgi alpha-mannosidase II                                                           CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhh..eeeehhhhhh..........hhhhh.....hhhhhhhhhhhhhhh...eeee...eee...............eeeeeee.....hhhhhhhhhhhhhhh..eeeeee......ee.hhhhhhhhhh....hhhhh..........hhhhhhhh.ee...eee......hhhhhhhhhhhhhhhhhhhh..eeee.hhhhhhhhhhhhhhhhhh.eeee.....hhhhhhhhhhh..ee.hhhhhhhhhhhhh....hhhhhhhhhhhhhhhh.hhhh.ee........hhhhhh.hhhhhhhhhhhhhhh..eeeee.hhhhh...........hhhhhh....hhhhhhhhhhhhhhhhhhhhh........eeeeee..eeeeee......eeeeee........eeeee.........eeee....eeee......eeeee.....eeeee.hhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2gvy A   1 ATPADWRSQSIYFLLTDRFARTDGSTTATCNTADQKYCGGTWQGIIDKLDYIQGMGFTAIWITPVTAQLPQTTAYGDAYHGYWQQDIYSLNENYGTADDLKALSSALHERGMYLMVDVVANHMGYDGAGSSVDYSVFKPFSSQDYFHPFCFIQNYEDQTQVEDCWLGDNTVSLPDLDTTKDVVKNEWYDWVGSLVSNYSIDGLRIDTVKHVQKDFWPGYNKAAGVYCIGEVLDGDPAYTCPYQNVMDGVLNYPIYYPLLNAFKSTSGSMDDLYNMINTVKSDCPDSTLLGTFVENHDNPRFASYTNDIALAKNVAAFIILNDGIPIIYAGQEQHYAGGNDPANREATWLSGYPTDSELYKLIASANAIRNYAISKDTGFVTYKNWPIYKDDTTIAMRKGTDGSQIVTILSNKGASGDSYTLSLSGAGYTAGQQLTEVIGCTTVTVGSDGNVPVPMAGGLPRVLYPTEKLAGSKICS 476
                                    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       440       450       460       470      

Chain B from PDB  Type:PROTEIN  Length:476
 aligned with AMYA1_ASPOR | P0C1B3 from UniProtKB/Swiss-Prot  Length:499

    Alignment length:476
                                    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       441       451       461       471       481       491      
          AMYA1_ASPOR    22 ATPADWRSQSIYFLLTDRFARTDGSTTATCNTADQKYCGGTWQGIIDKLDYIQGMGFTAIWITPVTAQLPQTTAYGDAYHGYWQQDIYSLNENYGTADDLKALSSALHERGMYLMVDVVANHMGYDGAGSSVDYSVFKPFSSQDYFHPFCFIQNYEDQTQVEDCWLGDNTVSLPDLDTTKDVVKNEWYDWVGSLVSNYSIDGLRIDTVKHVQKDFWPGYNKAAGVYCIGEVLDGDPAYTCPYQNVMDGVLNYPIYYPLLNAFKSTSGSMDDLYNMINTVKSDCPDSTLLGTFVENHDNPRFASYTNDIALAKNVAAFIILNDGIPIIYAGQEQHYAGGNDPANREATWLSGYPTDSELYKLIASANAIRNYAISKDTGFVTYKNWPIYKDDTTIAMRKGTDGSQIVTILSNKGASGDSYTLSLSGAGYTAGQQLTEVIGCTTVTVGSDGNVPVPMAGGLPRVLYPTEKLAGSKICS 497
               SCOP domains d2gvyb2 B:1-381 Fungal alpha-amylases                                                                                                                                                                                                                                                                                                                                                        d2gvyb1 B:382-476 Fungal alpha-amylase                                                          SCOP domains
               CATH domains 2gvyB01 B:1-374 Glycosidases                                                                                                                                                                                                                                                                                                                                                          2gvyB02 B:375-476 Golgi alpha-mannosidase II                                                           CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhh...eeeehhhhhh..........hhhhh.....hhhhhhhhhhhhhh....eeee...eee...............eeeeeee.hhhhhhhhhhhhhhhhhhh..eeeeee......ee.hhhhhhhhhh....hhhhh..........hhhhhhhh.ee...eee......hhhhhhhhhhhhhhhhhhhh..eeee.hhhhhhhhhhhhhhhhhh.eeee.....hhhhhhhhhhh..ee.hhhhhhhhhhhhh....hhhhhhhhhhhhhhhh.hhhh.ee........hhhhhh.hhhhhhhhhhhhhhh..eeeee.hhhhh...........hhhhhh....hhhhhhhhhhhhhhhhhhhhh........eeeeee..eeeeee......eeeeee........eeeee.........eeee....eeee......eeeee.....eeeee.hhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2gvy B   1 ATPADWRSQSIYFLLTDRFARTDGSTTATCNTADQKYCGGTWQGIIDKLDYIQGMGFTAIWITPVTAQLPQTTAYGDAYHGYWQQDIYSLNENYGTADDLKALSSALHERGMYLMVDVVANHMGYDGAGSSVDYSVFKPFSSQDYFHPFCFIQNYEDQTQVEDCWLGDNTVSLPDLDTTKDVVKNEWYDWVGSLVSNYSIDGLRIDTVKHVQKDFWPGYNKAAGVYCIGEVLDGDPAYTCPYQNVMDGVLNYPIYYPLLNAFKSTSGSMDDLYNMINTVKSDCPDSTLLGTFVENHDNPRFASYTNDIALAKNVAAFIILNDGIPIIYAGQEQHYAGGNDPANREATWLSGYPTDSELYKLIASANAIRNYAISKDTGFVTYKNWPIYKDDTTIAMRKGTDGSQIVTILSNKGASGDSYTLSLSGAGYTAGQQLTEVIGCTTVTVGSDGNVPVPMAGGLPRVLYPTEKLAGSKICS 476
                                    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       440       450       460       470      

   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  (2, 4)

Asymmetric Unit

(-) CATH Domains  (2, 4)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2GVY)

(-) Gene Ontology  (16, 16)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (AMYA1_ASPOR | P0C1B3)
molecular function
    GO:0004556    alpha-amylase activity    Catalysis of the endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more alpha-(1->4)-linked D-glucose units.
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0043169    cation binding    Interacting selectively and non-covalently with cations, charged atoms or groups of atoms with a net positive charge.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0016798    hydrolase activity, acting on glycosyl bonds    Catalysis of the hydrolysis of any glycosyl bond.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0016052    carbohydrate catabolic process    The chemical reactions and pathways resulting in the breakdown of carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y.
    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:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
cellular component
    GO:0030428    cell septum    A structure composed of peptidoglycan and often chitin in addition to other materials. It usually forms perpendicular to the long axis of a cell or hypha and grows centripetally from the cell wall to the center of the cell and often functions in the compartmentalization of a cell into two daughter cells.
    GO:0030287    cell wall-bounded periplasmic space    The region between the plasma membrane and the cell wall in organisms lacking an outer cell membrane such as yeast and Gram positive bacteria. The region is thinner than the equivalent in Gram negative bacteria.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0009277    fungal-type cell wall    A rigid yet dynamic structure surrounding the plasma membrane that affords protection from stresses and contributes to cell morphogenesis, consisting of extensively cross-linked glycoproteins and carbohydrates. The glycoproteins may be modified with N- or O-linked carbohydrates, or glycosylphosphatidylinositol (GPI) anchors; the polysaccharides are primarily branched glucans, including beta-linked and alpha-linked glucans, and may also include chitin and other carbohydrate polymers, but not cellulose or pectin. Enzymes involved in cell wall biosynthesis are also found in the cell wall. Note that some forms of fungi develop a capsule outside of the cell wall under certain circumstances; this is considered a separate structure.
    GO:0032163    hyphal septin band    A septin band, i.e. a diffuse ring composed of a series of septin bars running parallel to the long axis of the cell, located at the junction between the mother cell and the germ tube (hypha) of a fungal cell growing filamentously.
    GO:0031521    spitzenkorper    Structure within the hyphal tip of filamentous fungi that acts as an organizing center for hyphal tip growth; may function to supply vesicles to the elongating tip and/or to organize cytoskeletal microfilaments.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        AMYA1_ASPOR | P0C1B32guy 2taa 3kwx 3vx0 3vx1 6taa 7taa

(-) Related Entries Specified in the PDB File

2guy THE SAME PROTEIN IN COMPLEX WITH MALTOSE, DIFFERENT CRYSTAL FORM.
2taa THE SAME PROTEIN, DIFFERENT CRYSTAL FORM.
6taa THE SAME PROTEIN, DIFFERENT CRYSTAL FORM.
7taa THE SAME PROTEIN IN COMPLEX WITH THE INHIBITOR ACARBOSE, DIFFERENT CRYSTAL FORM.