2IFQ
Crystal structure of S-nitroso thioredoxin
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000122 | biological_process | negative regulation of transcription by RNA polymerase II |
| A | 0003723 | molecular_function | RNA binding |
| A | 0004791 | molecular_function | thioredoxin-disulfide reductase (NADPH) activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005576 | cellular_component | extracellular region |
| A | 0005634 | cellular_component | nucleus |
| A | 0005654 | cellular_component | nucleoplasm |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0009314 | biological_process | response to radiation |
| A | 0015035 | molecular_function | protein-disulfide reductase activity |
| A | 0019725 | biological_process | cellular homeostasis |
| A | 0042803 | molecular_function | protein homodimerization activity |
| A | 0043388 | biological_process | positive regulation of DNA binding |
| A | 0045454 | biological_process | cell redox homeostasis |
| A | 0046826 | biological_process | negative regulation of protein export from nucleus |
| A | 0047134 | molecular_function | protein-disulfide reductase [NAD(P)H] activity |
| A | 0051897 | biological_process | positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction |
| A | 0055114 | biological_process | obsolete oxidation-reduction process |
| A | 0061692 | biological_process | cellular detoxification of hydrogen peroxide |
| A | 0070062 | cellular_component | extracellular exosome |
| A | 0071731 | biological_process | response to nitric oxide |
| B | 0000122 | biological_process | negative regulation of transcription by RNA polymerase II |
| B | 0003723 | molecular_function | RNA binding |
| B | 0004791 | molecular_function | thioredoxin-disulfide reductase (NADPH) activity |
| B | 0005515 | molecular_function | protein binding |
| B | 0005576 | cellular_component | extracellular region |
| B | 0005634 | cellular_component | nucleus |
| B | 0005654 | cellular_component | nucleoplasm |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0009314 | biological_process | response to radiation |
| B | 0015035 | molecular_function | protein-disulfide reductase activity |
| B | 0019725 | biological_process | cellular homeostasis |
| B | 0042803 | molecular_function | protein homodimerization activity |
| B | 0043388 | biological_process | positive regulation of DNA binding |
| B | 0045454 | biological_process | cell redox homeostasis |
| B | 0046826 | biological_process | negative regulation of protein export from nucleus |
| B | 0047134 | molecular_function | protein-disulfide reductase [NAD(P)H] activity |
| B | 0051897 | biological_process | positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction |
| B | 0055114 | biological_process | obsolete oxidation-reduction process |
| B | 0061692 | biological_process | cellular detoxification of hydrogen peroxide |
| B | 0070062 | cellular_component | extracellular exosome |
| B | 0071731 | biological_process | response to nitric oxide |
| C | 0000122 | biological_process | negative regulation of transcription by RNA polymerase II |
| C | 0003723 | molecular_function | RNA binding |
| C | 0004791 | molecular_function | thioredoxin-disulfide reductase (NADPH) activity |
| C | 0005515 | molecular_function | protein binding |
| C | 0005576 | cellular_component | extracellular region |
| C | 0005634 | cellular_component | nucleus |
| C | 0005654 | cellular_component | nucleoplasm |
| C | 0005737 | cellular_component | cytoplasm |
| C | 0005829 | cellular_component | cytosol |
| C | 0009314 | biological_process | response to radiation |
| C | 0015035 | molecular_function | protein-disulfide reductase activity |
| C | 0019725 | biological_process | cellular homeostasis |
| C | 0042803 | molecular_function | protein homodimerization activity |
| C | 0043388 | biological_process | positive regulation of DNA binding |
| C | 0045454 | biological_process | cell redox homeostasis |
| C | 0046826 | biological_process | negative regulation of protein export from nucleus |
| C | 0047134 | molecular_function | protein-disulfide reductase [NAD(P)H] activity |
| C | 0051897 | biological_process | positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction |
| C | 0055114 | biological_process | obsolete oxidation-reduction process |
| C | 0061692 | biological_process | cellular detoxification of hydrogen peroxide |
| C | 0070062 | cellular_component | extracellular exosome |
| C | 0071731 | biological_process | response to nitric oxide |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE EOH C 106 |
| Chain | Residue |
| C | GLN4 |
| C | GLU6 |
| C | ALA10 |
| C | VAL86 |
| C | GLY87 |
| C | GLU103 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE EOH C 107 |
| Chain | Residue |
| C | GLY83 |
| C | HOH110 |
| C | HOH131 |
| C | LEU15 |
| C | PHE80 |
| C | LYS82 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE EOH C 108 |
| Chain | Residue |
| B | PHE41 |
| B | LYS94 |
| C | GLU47 |
| C | LYS48 |
| C | LYS82 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE EOH B 106 |
| Chain | Residue |
| B | GLY33 |
| C | THR9 |
| C | GLN84 |
| C | LYS85 |
Functional Information from PROSITE/UniProt
| site_id | PS00194 |
| Number of Residues | 19 |
| Details | THIOREDOXIN_1 Thioredoxin family active site. VVdFSatWCGPCKmIkpfF |
| Chain | Residue | Details |
| A | VAL24-PHE42 | |
| B | VAL24-PHE42 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 6 |
| Details | Active site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"9108029","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 3 |
| Details | Site: {"description":"Deprotonates C-terminal active site Cys","evidences":[{"evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 6 |
| Details | Site: {"description":"Contributes to redox potential value","evidences":[{"evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 6 |
| Details | Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 3 |
| Details | Modified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P10639","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 6 |
| Details | Modified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"PubMed","id":"17260951","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 3 |
| Details | Modified residue: {"description":"S-nitrosocysteine; alternate","evidences":[{"source":"PubMed","id":"16408020","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17606900","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 3 |
| Details | Modified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P10639","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 103 |
| Details | Domain: {"description":"Thioredoxin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1mek |
| Chain | Residue | Details |
| A | PRO34 | |
| A | CYS35 | |
| A | CYS32 | |
| A | GLY33 |
| site_id | CSA2 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1mek |
| Chain | Residue | Details |
| C | PRO34 | |
| C | CYS35 | |
| C | CYS32 | |
| C | GLY33 |
| site_id | CSA3 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1mek |
| Chain | Residue | Details |
| B | PRO34 | |
| B | CYS35 | |
| B | CYS32 | |
| B | GLY33 |
| site_id | CSA4 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1mek |
| Chain | Residue | Details |
| A | CYS35 | |
| A | CYS32 |
| site_id | CSA5 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1mek |
| Chain | Residue | Details |
| C | CYS35 | |
| C | CYS32 |
| site_id | CSA6 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1mek |
| Chain | Residue | Details |
| B | CYS35 | |
| B | CYS32 |






