Protein Information

General Information
MoonProt ID496
First appeared in release3.0
Name(s)Protein S100-A9 Gene: S100A9 Synonyms:CAGB, CFAG, MRP14 Recommended name: Protein S100-A9 Alternative name(s): Calgranulin-B Calprotectin L1H subunit Leukocyte L1 complex heavy chain Migration inhibitory factor-related protein 14 Short name: MRP-14 Short name: p14 S100 calcium-binding protein A9
UniProt IDP06702 (S10A9_HUMAN)
GO termsGO:0070488 neutrophil aggregation GO:0006914 autophagy GO:0050729 positive regulation of inflammatory response GO:0030593 neutrophil chemotaxis GO:0006919 activation of cysteine-type endopeptidase activity involved in apoptotic process GO:0002523 leukocyte migration involved in inflammatory response GO:0042742 defense response to bacterium GO:0035662 Toll-like receptor 4 binding GO:0032602 chemokine production GO:0030307 positive regulation of cell growth GO:0005886 plasma membrane GO:0005856 cytoskeleton GO:0001816 cytokine production GO:0035606 peptidyl-cysteine S-trans-nitrosylation GO:0051493 regulation of cytoskeleton organization GO:0051092 positive regulation of NF-kappaB transcription factor activity GO:0050832 defense response to fungus GO:0050786 RAGE receptor binding GO:0050544 arachidonic acid binding GO:0032119 sequestering of zinc ion GO:0008270 zinc ion binding GO:0008017 microtubule binding GO:0005829 cytosol GO:0005576 extracellular region GO:0005509 calcium ion binding GO:0046872 metal ion binding GO:0045087 innate immune response GO:0002376 immune system process GO:0005737 cytoplasm GO:0006954 inflammatory response GO:0006915 apoptotic process GO:0006935 chemotaxis GO:0016020 membrane GO:0016209 antioxidant activity GO:0005615 extracellular space GO:0035821 modulation of process of other organism GO:0061844 antimicrobial humoral immune response mediated by antimicrobial peptide GO:2001244 positive regulation of intrinsic apoptotic signaling pathway GO:0070062 extracellular exosome GO:0005634 nucleus
Organisms for which functions have been demonstratedHomo sapiens (Human)
Sequence length114 amino acids
FASTA sequence>sp|P06702|S10A9_HUMAN Protein S100-A9 OS=Homo sapiens OX=9606 GN=S100A9 PE=1 SV=1 MTCKMSQLERNIETIINTFHQYSVKLGHPDTLNQGEFKELVRKDLQNFLKKENKNEKVIEHIMEDLDTNADKQLSFEEFIMLMARLTWASHEKMHEGDEGPGHHHKPGLGEGTP
Structure Information
PDB ID1IRJ 1XK4 4GGF 4XJK 5I8N 5W1F 6DS2
Quaternary structureNA
SCOP1 domain. class 1000000 All alpha proteins fold 2000120 Pair of EF Hands-like superfamily 3001983 EF-hand family 4000919 S100 proteins domain 8021372 This domain is represented by 1XK4 C:4-86 Protein S100-A9. Species Homo sapiens.
CATH1 Matching CATH Superfamily. Superfamily: 1.10.238.10. EF-hand. 8 Matching CATH Domains. Domain: 1irjA00. PDB code 1irj, chain A, domain 00. Superfamily: 1.10.238.10. Domain: 1irjB00. PDB code 1irj, chain B, domain 00. Superfamily: 1.10.238.10. Domain: 1irjC00. PDB code 1irj, chain C, domain 00. Superfamily: 1.10.238.10. Domain: 1irjD00. PDB code 1irj, chain D, domain 00. Superfamily: 1.10.238.10. Domain: 1irjE00. PDB code 1irj, chain E, domain 00. Superfamily: 1.10.238.10. Domain: 1irjF00. PDB code 1irj, chain F, domain 00. Superfamily: 1.10.238.10. Domain: 1irjG00. PDB code 1irj, chain G, domain 00. Superfamily: 1.10.238.10. Domain: 1irjH00. PDB code 1irj, chain H, domain 00. Superfamily: 1.10.238.10.
TM Helix Predictionno TM helices # sp|P06702|S10A9_HUMAN Number of predicted TMHs: 0 #er of AAs in TMHs: 0.00081 # sp|P06702|S10A9_HUMAN Exp number, first 60 AAs: 0 # sp|P06702|S10A9_HUMAN Total prob of N-in: 0.44390 sp|P06702|S10A9_HUMAN TMHMM2.0 outside 1 114
DisProt Annotation
Predicted Disorder RegionsUse FASTA sequence on the MFDp2 webserver. spP06702S10A9_HUMAN_Prot is 114 residues long, with 55 residues (48.25 %) predicted as disordered. The protein has 1 short (< 30 residues) disorder segment and 1 long (>= 30 residues) disorder segment. Segment 1 - Short (< 30 residues) disordered segment Segment is located between positions 1 and 20 in the sequence. The segment is 20 residues long (17.54 % of the total sequence length). Segment 2 - Long (>= 30 residues) disordered segment Segment is located between positions 80 and 114 in the sequence. The segment is 35 residues long (30.70 % of the total sequence length).
Connections to Disease
OMIM ID123886
Function 1
Function descriptionbinds to receptor, amplifies inflammation via Toll-like receptor four TLR4.
References for functionHarman JL, Loes AN, Warren GD, Heaphy MC, Lampi KJ, Harms MJ. Evolution of multifunctionality through a pleiotropic substitution in the innate immune protein S100A9. Elife. 2020 Apr 7;9:e54100. doi: 10.7554/eLife.54100. PMID: 32255429; PMCID: PMC7213983.
E.C. number
Location of functional site(s)
Cellular location of function
Comments
Function 2
Function descriptionpart of a heterocomplex with S100A8 to drive inflammation, antimicrobial
References for functionHarman JL, Loes AN, Warren GD, Heaphy MC, Lampi KJ, Harms MJ. Evolution of multifunctionality through a pleiotropic substitution in the innate immune protein S100A9. Elife. 2020 Apr 7;9:e54100. doi: 10.7554/eLife.54100. PMID: 32255429; PMCID: PMC7213983.
E.C. number
Location of functional site(s)
Cellular location of function
Comments