Structure of PDB 7xtx Chain B Binding Site BS01

Receptor Information
>7xtx Chain B (length=114) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PMFIVNTNVPRASVPDGFLSELTQQLAQATGKPPQYIAVHVVPDQLMAFG
GSSEPCALCSLHSIGKIGGAQNRSYSKLLCGLLAERLRISPDRVYINYYD
MNAANVGWNNSTFA
Ligand information
Ligand IDMT1
InChIInChI=1S/C20H22N8O5/c1-28(9-11-8-23-17-15(24-11)16(21)26-20(22)27-17)12-4-2-10(3-5-12)18(31)25-13(19(32)33)6-7-14(29)30/h2-5,8,13H,6-7,9H2,1H3,(H,25,31)(H,29,30)(H,32,33)(H4,21,22,23,26,27)/p+1/t13-/m0/s1
InChIKeyFBOZXECLQNJBKD-ZDUSSCGKSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CN(Cc1cnc2c(n1)c(nc([nH+]2)N)N)c3ccc(cc3)C(=O)NC(CCC(=O)O)C(=O)O
CACTVS 3.341CN(Cc1cnc2[nH+]c(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O
CACTVS 3.341CN(Cc1cnc2[nH+]c(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[CH](CCC(O)=O)C(O)=O
ACDLabs 10.04O=C(O)C(NC(=O)c1ccc(cc1)N(C)Cc2nc3c(nc2)[nH+]c(nc3N)N)CCC(=O)O
OpenEye OEToolkits 1.5.0CN(Cc1cnc2c(n1)c(nc([nH+]2)N)N)c3ccc(cc3)C(=O)N[C@@H](CCC(=O)O)C(=O)O
FormulaC20 H23 N8 O5
NameN-(4-{[(2,4-DIAMINOPTERIDIN-1-IUM-6-YL)METHYL](METHYL)AMINO}BENZOYL)-L-GLUTAMIC ACID;
METHOTREXATE PROTONATED AT N1
ChEMBL
DrugBank
ZINC
PDB chain7xtx Chain B Residue 201 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7xtx Identification of methotrexate as an inhibitor of macrophage migration inhibitory factor by high-resolution crystal structure analysis
Resolution1.28 Å
Binding residue
(original residue number in PDB)		Q35 Y36 W108 F113
Binding residue
(residue number reindexed from 1)		Q35 Y36 W108 F113
Annotation score1
Enzymatic activity
Enzyme Commision number 5.3.2.1: phenylpyruvate tautomerase.
5.3.3.12: L-dopachrome isomerase.
Gene Ontology
Molecular Function
GO:0002020 protease binding
GO:0004167 dopachrome isomerase activity
GO:0005125 cytokine activity
GO:0005126 cytokine receptor binding
GO:0005515 protein binding
GO:0016853 isomerase activity
GO:0042056 chemoattractant activity
GO:0042802 identical protein binding
GO:0050178 phenylpyruvate tautomerase activity
Biological Process
GO:0001516 prostaglandin biosynthetic process
GO:0001819 positive regulation of cytokine production
GO:0001934 positive regulation of protein phosphorylation
GO:0002906 negative regulation of mature B cell apoptotic process
GO:0006954 inflammatory response
GO:0007166 cell surface receptor signaling pathway
GO:0008284 positive regulation of cell population proliferation
GO:0010629 negative regulation of gene expression
GO:0010760 negative regulation of macrophage chemotaxis
GO:0019752 carboxylic acid metabolic process
GO:0030330 DNA damage response, signal transduction by p53 class mediator
GO:0030336 negative regulation of cell migration
GO:0030890 positive regulation of B cell proliferation
GO:0031666 positive regulation of lipopolysaccharide-mediated signaling pathway
GO:0032760 positive regulation of tumor necrosis factor production
GO:0033033 negative regulation of myeloid cell apoptotic process
GO:0042127 regulation of cell population proliferation
GO:0042327 positive regulation of phosphorylation
GO:0043030 regulation of macrophage activation
GO:0043066 negative regulation of apoptotic process
GO:0043406 positive regulation of MAP kinase activity
GO:0043518 negative regulation of DNA damage response, signal transduction by p53 class mediator
GO:0045087 innate immune response
GO:0048146 positive regulation of fibroblast proliferation
GO:0050918 positive chemotaxis
GO:0051248 negative regulation of protein metabolic process
GO:0061078 positive regulation of prostaglandin secretion involved in immune response
GO:0061081 positive regulation of myeloid leukocyte cytokine production involved in immune response
GO:0070207 protein homotrimerization
GO:0070374 positive regulation of ERK1 and ERK2 cascade
GO:0090238 positive regulation of arachidonate secretion
GO:0090398 cellular senescence
GO:0141163 positive regulation of cAMP/PKA signal transduction
GO:1902166 negative regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator
GO:2000343 positive regulation of chemokine (C-X-C motif) ligand 2 production
GO:2000773 negative regulation of cellular senescence
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0009986 cell surface
GO:0031982 vesicle
GO:0034774 secretory granule lumen
GO:0070062 extracellular exosome
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7xtx, PDBe:7xtx, PDBj:7xtx
PDBsum7xtx
PubMed
UniProtP14174|MIF_HUMAN Macrophage migration inhibitory factor (Gene Name=MIF)

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