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(-) Description

Title :  SITE DIRECTED MUTAGENESIS OF KEY RESIDUES INVOLVED IN THE CATALYTIC MECHANISM OF CYANASE
 
Authors :  M. Guilloton, M. A. Walsh, A. Joachimiak, P. M. Anderson
Date :  06 Jun 06  (Deposition) - 08 Jun 06  (Release) - 05 Feb 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A,B,C,D,E,F,G,H,I,J
Keywords :  Lyase, Cyanate Degradation (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Guilloton, M. A. Walsh, A. Joachimiak, P. M. Anderson
A Twin Set Of Low Pka Arginines Ensures The Concerted Acid Base Catalytic Mechanism Of Cyanase
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYANATE HYDRATASE
    ChainsA, B, C, D, E, F, G, H, I, J
    EC Number4.2.1.104
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainXL1-BLUE
    Expression System Taxid562
    MutationYES
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymCYANASE LYASE, CYANASE, CYANATE HYDROLASE

 Structural Features

(-) Chains, Units

  12345678910
Asymmetric/Biological Unit ABCDEFGHIJ

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 44)

Asymmetric/Biological Unit (4, 44)
No.NameCountTypeFull Name
1AZI1Ligand/IonAZIDE ION
2BR10Ligand/IonBROMIDE ION
3CL10Ligand/IonCHLORIDE ION
4SO423Ligand/IonSULFATE ION

(-) Sites  (44, 44)

Asymmetric Unit (44, 44)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREILE A:120 , ALA A:123 , ARG D:96 , ARG I:96 , BR J:1157BINDING SITE FOR RESIDUE BR A1157
02AC2SOFTWAREILE A:120 , GLY A:122 , ALA A:123 , HOH A:2164 , ARG D:96 , ARG I:96BINDING SITE FOR RESIDUE CL A1158
03AC3SOFTWAREALA A:39 , GLU A:40 , HOH A:2196 , HOH A:2198 , HOH A:2199BINDING SITE FOR RESIDUE SO4 A1159
04AC4SOFTWAREALA A:33 , ASP A:34 , GLY A:35 , THR A:36 , GLY A:37 , HOH A:2200 , HOH A:2201BINDING SITE FOR RESIDUE SO4 A1160
05AC5SOFTWAREARG A:96 , ILE B:120 , ALA B:123 , BR D:1157 , ARG F:96BINDING SITE FOR RESIDUE BR B1157
06AC6SOFTWAREARG A:96 , GLY B:122 , ALA B:123 , HOH B:2187 , ARG F:96BINDING SITE FOR RESIDUE CL B1158
07AC7SOFTWAREALA B:39 , GLU B:40 , HOH B:2221BINDING SITE FOR RESIDUE SO4 B1159
08AC8SOFTWAREARG B:87 , ILE B:88 , HOH B:2159 , ARG D:87 , ARG E:87 , ARG F:87BINDING SITE FOR RESIDUE SO4 B1160
09AC9SOFTWAREASP B:85 , PRO B:89 , THR B:90 , HOH B:2162 , HOH B:2222 , HOH B:2223 , HOH B:2224 , HOH E:2023BINDING SITE FOR RESIDUE AZI B1161
10BC1SOFTWAREILE C:120 , ALA C:123 , ARG H:96 , BR I:1157 , ARG J:96BINDING SITE FOR RESIDUE BR C1157
11BC2SOFTWAREGLY C:122 , ALA C:123 , ILE C:124 , ARG H:96 , ARG J:96BINDING SITE FOR RESIDUE CL C1158
12BC3SOFTWAREALA C:39 , GLU C:40 , HOH C:2203 , HOH C:2204BINDING SITE FOR RESIDUE SO4 C1159
13BC4SOFTWAREARG C:87 , HOH C:2205 , ARG G:87 , ARG H:87 , ARG I:87BINDING SITE FOR RESIDUE SO4 C1160
14BC5SOFTWAREARG A:96 , BR B:1157 , ILE D:120 , HOH D:2165 , ARG F:96BINDING SITE FOR RESIDUE BR D1157
15BC6SOFTWAREARG A:96 , GLY D:122 , ALA D:123 , HOH D:2165 , ARG F:96BINDING SITE FOR RESIDUE CL D1158
16BC7SOFTWAREALA D:39 , GLU D:40 , HOH D:2203 , HOH D:2204BINDING SITE FOR RESIDUE SO4 D1159
17BC8SOFTWAREARG A:87 , ILE A:88 , ARG B:87 , ARG D:87 , ILE D:88 , HOH D:2205 , ARG J:87BINDING SITE FOR RESIDUE SO4 D1160
18BC9SOFTWAREASP D:34 , GLY D:35 , THR D:36 , GLY D:37 , LEU D:38 , HOH D:2206 , HOH D:2207 , HOH D:2208BINDING SITE FOR RESIDUE SO4 D1161
19CC1SOFTWAREARG B:96 , ILE E:120 , HOH E:2180 , BR F:1157 , ARG G:96BINDING SITE FOR RESIDUE BR E1157
20CC2SOFTWAREARG B:96 , GLY E:122 , ALA E:123 , HOH E:2180BINDING SITE FOR RESIDUE CL E1158
21CC3SOFTWAREALA E:39 , GLU E:40 , HOH E:2215BINDING SITE FOR RESIDUE SO4 E1159
22CC4SOFTWAREHOH C:2205 , ARG E:87 , ARG F:87 , ARG G:87 , ILE G:88 , ARG H:87BINDING SITE FOR RESIDUE SO4 E1160
23CC5SOFTWAREALA E:33 , ASP E:34 , GLY E:35 , THR E:36 , GLY E:37 , LEU E:38 , HOH E:2090 , HOH E:2216BINDING SITE FOR RESIDUE SO4 E1161
24CC6SOFTWAREARG B:96 , BR E:1157 , ILE F:120 , ARG G:96BINDING SITE FOR RESIDUE BR F1157
25CC7SOFTWAREARG B:96 , GLY F:122 , ALA F:123 , ILE F:124 , HOH F:2176 , ARG G:96BINDING SITE FOR RESIDUE CL F1158
26CC8SOFTWAREALA F:39 , GLU F:40 , HOH F:2213 , HOH F:2214BINDING SITE FOR RESIDUE SO4 F1159
27CC9SOFTWAREASP F:34 , GLY F:35 , THR F:36 , GLY F:37 , LEU F:38 , HOH F:2073BINDING SITE FOR RESIDUE SO4 F1160
28DC1SOFTWAREARG C:96 , ARG E:96 , ILE G:120 , ALA G:123 , BR H:1157BINDING SITE FOR RESIDUE BR G1157
29DC2SOFTWAREARG C:96 , ARG E:96 , GLY G:122 , ALA G:123 , HOH G:2149BINDING SITE FOR RESIDUE CL G1158
30DC3SOFTWAREGLU G:40 , HOH G:2071 , HOH G:2186 , HOH G:2187BINDING SITE FOR RESIDUE SO4 G1159
31DC4SOFTWARELYS D:131 , HOH D:2176 , ALA G:33 , ASP G:34 , GLY G:35 , THR G:36 , GLY G:37 , HOH G:2070BINDING SITE FOR RESIDUE SO4 G1160
32DC5SOFTWAREARG C:96 , ARG E:96 , BR G:1157 , ILE H:120 , ALA H:123BINDING SITE FOR RESIDUE BR H1157
33DC6SOFTWAREARG E:96 , GLY H:122 , ALA H:123 , ILE H:124 , HOH H:2160BINDING SITE FOR RESIDUE CL H1158
34DC7SOFTWAREALA H:39 , GLU H:40BINDING SITE FOR RESIDUE SO4 H1159
35DC8SOFTWAREALA H:33 , ASP H:34 , GLY H:35 , THR H:36 , GLY H:37 , LEU H:38BINDING SITE FOR RESIDUE SO4 H1160
36DC9SOFTWAREBR C:1157 , ARG H:96 , ILE I:120 , ARG J:96BINDING SITE FOR RESIDUE BR I1157
37EC1SOFTWAREARG H:96 , GLY I:122 , ALA I:123 , ILE I:124 , HOH I:2157 , ARG J:96BINDING SITE FOR RESIDUE CL I1158
38EC2SOFTWAREALA I:39 , GLU I:40 , HOH I:2185 , HOH I:2186BINDING SITE FOR RESIDUE SO4 I1159
39EC3SOFTWAREALA I:33 , ASP I:34 , GLY I:35 , THR I:36 , GLY I:37 , LEU I:38 , HOH I:2066BINDING SITE FOR RESIDUE SO4 I1160
40EC4SOFTWAREBR A:1157 , ARG D:96 , ARG I:96 , ILE J:120 , GLY J:122 , ALA J:123BINDING SITE FOR RESIDUE BR J1157
41EC5SOFTWAREARG D:96 , GLY J:122 , ALA J:123 , ILE J:124 , HOH J:2186BINDING SITE FOR RESIDUE CL J1158
42EC6SOFTWAREALA J:39 , GLU J:40 , HOH J:2096BINDING SITE FOR RESIDUE SO4 J1159
43EC7SOFTWAREARG A:87 , ARG C:87 , ARG I:87 , ILE I:88 , ARG J:87 , ILE J:88 , HOH J:2161BINDING SITE FOR RESIDUE SO4 J1160
44EC8SOFTWAREALA J:33 , ASP J:34 , GLY J:35 , THR J:36 , GLY J:37 , LEU J:38 , HOH J:2217BINDING SITE FOR RESIDUE SO4 J1161

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2IUO)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2IUO)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2IUO)

(-) 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:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuoa1 A:1-86 automated matches                                                      d2iuoa2 A:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoA01 A:1-88 lambda repressor-like DNA-binding domains                                2iuoA02 A:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo A   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain B from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuob1 B:1-86 automated matches                                                      d2iuob2 B:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoB01 B:1-88 lambda repressor-like DNA-binding domains                                2iuoB02 B:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhhh.hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhhh.hhhhhhhhh..............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo B   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain C from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuoc1 C:1-86 automated matches                                                      d2iuoc2 C:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoC01 C:1-88 lambda repressor-like DNA-binding domains                                2iuoC02 C:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo C   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain D from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuod1 D:1-86 automated matches                                                      d2iuod2 D:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoD01 D:1-88 lambda repressor-like DNA-binding domains                                2iuoD02 D:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhhh.hhhhhhhhh..............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo D   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain E from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuoe1 E:1-86 automated matches                                                      d2iuoe2 E:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoE01 E:1-88 lambda repressor-like DNA-binding domains                                2iuoE02 E:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhh...............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo E   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain F from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuof1 F:1-86 automated matches                                                      d2iuof2 F:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoF01 F:1-88 lambda repressor-like DNA-binding domains                                2iuoF02 F:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhhh.hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo F   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain G from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuog1 G:1-86 automated matches                                                      d2iuog2 G:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoG01 G:1-88 lambda repressor-like DNA-binding domains                                2iuoG02 G:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhh...............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo G   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain H from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuoh1 H:1-86 automated matches                                                      d2iuoh2 H:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoH01 H:1-88 lambda repressor-like DNA-binding domains                                2iuoH02 H:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhh...............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo H   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain I from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuoi1 I:1-86 automated matches                                                      d2iuoi2 I:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoI01 I:1-88 lambda repressor-like DNA-binding domains                                2iuoI02 I:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhh..hhhhhhhhh..............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo I   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

Chain J from PDB  Type:PROTEIN  Length:156
 aligned with CYNS_ECOLI | P00816 from UniProtKB/Swiss-Prot  Length:156

    Alignment length:156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      
           CYNS_ECOLI     1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIISAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
               SCOP domains d2iuoj1 J:1-86 automated matches                                                      d2iuoj2 J:87-156 automated matches                                     SCOP domains
               CATH domains 2iuoJ01 J:1-88 lambda repressor-like DNA-binding domains                                2iuoJ02 J:89-156  [code=3.30.1160.10, no name defined]               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhh..hhhhhhh....hhhhhhhhhh.....hhhhhhhhhhhhh.hhhhhhhh...............hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeee.....eeeeeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2iuo J   1 MIQSQINRNIRLDLADAILLSKAKKDLSFAEIADGTGLAEAFVTAALLGQQALPADAARLVGAKLDLDEDSILLLQMIPLRGCIDDRIPTDPTMYRFYEMLQVYGTTLKALVHEKFGDGIIGAINFKLDVKKVADPEGGERAVITLDGKYLPTKPF 156
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150      

   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)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 20)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 20)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D,E,F,G,H,I,J   (CYNS_ECOLI | P00816)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0008824    cyanate hydratase activity    Catalysis of the reaction: cyanate + H2O = carbamate.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
biological process
    GO:0009440    cyanate catabolic process    The chemical reactions and pathways resulting in the breakdown of cyanate, NCO-, the anion of cyanic acid.
    GO:0009439    cyanate metabolic process    The chemical reactions and pathways involving cyanate, NCO-, the anion of cyanic acid.
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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 Related Entries

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

UniProtKB/Swiss-Prot
        CYNS_ECOLI | P008161dw9 1dwk 2iu7 2iv1 2ivb 2ivg 2ivq

(-) Related Entries Specified in the PDB File

1dw9 STRUCTURE OF CYANASE REVEALS THAT A NOVEL DIMERIC AND DECAMERICARRANGEMENT OF SUBUNITS IS REQUIRED FOR FORMATION OF THE ENZYME ACTIVESITE
1dwk STRUCTURE OF CYANASE WITH THE DI-ANION OXALATE BOUND AT THE ENZYME ACTIVE SITE
2iu7 SITE DIRECTED MUTAGENESIS OF KEY RESIDUES INVOLVED IN THE CATALYTIC MECHANISM OF CYANASE