4P8V
The crystal structures of YKL-39 in the presence of chitooligosaccharides (GlcNAc2) were solved to resolutions of 1.5 angstrom
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Chitinase-3-like protein 2 | polymer | 371 | 41619.2 | 1 | UniProt (Q15782) Pfam (PF00704) In PDB | Homo sapiens (Human) | Chondrocyte protein 39,YKL-39 |
2 | B | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 1 | In PDB GlyTouCan (G42666HT) | |||
3 | A | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
4 | water | water | 18.0 | 699 | Chemie (HOH) |
Sequence modifications
A: 27 - 390 (UniProt: Q15782)
PDB | External Database | Details |
---|---|---|
Ala 20 | - | expression tag |
Met 21 | - | expression tag |
Ala 22 | - | expression tag |
Asp 23 | - | expression tag |
Ile 24 | - | expression tag |
Gly 25 | - | expression tag |
Ser 26 | - | expression tag |
Val 182 | Ala 182 | engineered mutation |
Trp 318 | Arg 318 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 41619.2 | |
Branched | Number of molecules | 1 |
Total formula weight | 424.4 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 288.2 | |
All* | Total formula weight | 42331.8 |