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STRGL:LYSM1

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Species (Taxon ID) Streptomyces globisporus. (1908)
Gene Name(s) acm
Protein Name(s) Lysozyme M1

1,4-beta-N-acetylmuramidase M1

External Links
UniProt P25310
EMBL M30645
PIR JQ0529
PDB 1JFX
PDBsum 1JFX
ProteinModelPortal P25310
SMR P25310
CAZy GH25
PRIDE P25310
EvolutionaryTrace P25310
GO GO:0005615
GO:0003796
GO:0005975
GO:0016998
GO:0009253
Gene3D 3.20.20.80
InterPro IPR002053
IPR008270
IPR013781
IPR018077
IPR017853
Pfam PF01183
SMART SM00641
SUPFAM SSF51445
PROSITE PS00953

Annotations

Qualifier GO ID GO term name Reference ECO ID ECO term name with/from Aspect Extension Notes Status

0008152

metabolic process

PMID:11427528[1]

ECO:0000314

P

The metabolic process has to do with the structure of the overall protein. The structure of Cellosyl comprised to a single domain,is demonstrated in figure 2. Where it is shown that the structure is comprised of eight beta strands and six alpha helices. Shown with the strands forming the staves of the barrel and the helices located around it. Helices are depicted in red, loops in green, the parallel βeta-strands in blue, and the antiparallel βeta-strand is highlighted in yellow.

complete
CACAO 12878

GO:0003796

lysozyme activity

PMID:11427528[1]

ECO:0000314

F

Figure 1 displays that unlike other lysozymes (HEWL, GEWL, and T4L-types), the Ch-type lysozymes have both Beta-1,4-N-acetyl- and Beta-1,4,-N,6-O-diacetylmuramidase activities. Due to this characteristic they are able to cleave the 6-O-acetylated peptidoglycans. This icnludes the peptiodglycans that are present in cell walls of Staphylococcus aureus. Figure 2 displays that the structure of Cellosyl contributes to its function. Figure two shows that Cellosyl comprises a single domain. The enzyme is shown to have a beta/alpha-barrel fold. This is different than many other enzymes which have (Beta/alpha)8-barrels. All of these specific folds allow for the active site to be locate at the C-terminal end of the beta-barrel. Figure 3 compares the amino acid sequence of various Ch-type lysozymes and it supports that the active site is located at the C-terminal end of the Beta-barrel. It does so because it shows that the amino acids at the C-terminal ends of Beta1 and Beta4 are highly conserved among lysozymes from bacteria and Chalaropsis. Figure 4 displays how the charges are distributed on the surface of Cellosyl and how that impacts it's lysozyme activity. Due to the grove in the substrate-binding site, there is a high negative electrostatic potential. This is developed to the deep hole.

complete
CACAO 12908

Contributes to

GO:0003796

lysozyme activity

PMID:11427528[1]

ECO:0000255

UniProtKB:P25310


F

Figure 1 shows four different classes of endo-N-acetylmuramidases which all use lysosome structures and this is presented in the cellosyl. This shows that lysozyme activity is being used.

complete
CACAO 12911

enables

GO:0003796

lysozyme activity

GO_REF:0000002

ECO:0000256

match to sequence model evidence used in automatic assertion

InterPro:IPR002053
InterPro:IPR008270

F

Seeded From UniProt

complete

involved_in

GO:0009253

peptidoglycan catabolic process

GO_REF:0000002

ECO:0000256

match to sequence model evidence used in automatic assertion

InterPro:IPR002053
InterPro:IPR008270

P

Seeded From UniProt

complete

involved_in

GO:0016998

cell wall macromolecule catabolic process

GO_REF:0000002

ECO:0000256

match to sequence model evidence used in automatic assertion

InterPro:IPR002053
InterPro:IPR008270

P

Seeded From UniProt

complete

enables

GO:0003796

lysozyme activity

GO_REF:0000003

ECO:0000501

evidence used in automatic assertion

EC:3.2.1.17

F

Seeded From UniProt

complete

involved_in

GO:0008152

metabolic process

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0326

P

Seeded From UniProt

complete

enables

GO:0016798

hydrolase activity, acting on glycosyl bonds

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0326

F

Seeded From UniProt

complete

part_of

GO:0005576

extracellular region

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0964

C

Seeded From UniProt

complete

enables

GO:0016787

hydrolase activity

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0378

F

Seeded From UniProt

complete

part_of

GO:0005615

extracellular space

GO_REF:0000039

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-SubCell:SL-0112

C

Seeded From UniProt

complete

Notes

References

See Help:References for how to manage references in GONUTS.

  1. 1.0 1.1 1.2 Rau, A et al. (2001) A new lysozyme fold. Crystal structure of the muramidase from Streptomyces coelicolor at 1.65 A resolution. J. Biol. Chem. 276 31994-9 PubMed GONUTS page