Structure of PDB 7kn1 Chain B Binding Site BS01

Receptor Information

>7kn1 Chain B (length=336) Species: 522373 (Stenotrophomonas maltophilia K279a)

HMNVLVTGGAGYIGSHACVELQQQGHGVVIVDSLCNSDASVVERIGRITG
TAPVFVQADIRDRPRMAALMQEHAIDAVLHFAALKSVGESQKIPLQYFDS
NISGSIALLGAMQDAGVQLLVFSSSATVYGNQDHCPVAETASTCAMTPYG
RTKLVVEQLLADLAATGQDLHIATLRYFNPVGAHASALIGELPHGTPSNL
MPYIAQVAAGLLPEVQVFGDDYPTHDGTGVRDYIHVQDVASAHVLALQFL
RDQRRSITLNLGTGQGHSVLELIQAFELTTGVRVPFRIVPRRDGDIAVSF
ADASLALRELGWKARHDLTDMCRDTWKWQRAMSRAA

Ligand information

• Ligand ID: NAD
• InChI: InChI=1S/C21H27N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1-4,7-8,10-11,13-16,20-21,29-32H,5-6H2,(H5-,22,23,24,25,33,34,35,36,37)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
• InChIKey: BAWFJGJZGIEFAR-NNYOXOHSSA-N
• SMILES:
  CACTVS 3.341: NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P]([O-])(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
  OpenEye OEToolkits 1.5.0: c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
  CACTVS 3.341: NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
  OpenEye OEToolkits 1.5.0: c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
• Formula: C21 H27 N7 O14 P2
• Name: NICOTINAMIDE-ADENINE-DINUCLEOTIDE
• ChEMBL: CHEMBL1234613
• DrugBank: DB14128
• PDB chain: 7kn1 Chain B Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7kn1 Crystal structure of UDP-glucose-4-epimerase (galE) from Stenotrophomonas maltophila with bound NAD and formylated UDP-arabinopyranose
• Resolution: 1.45 Å
• Binding residue (original residue number in PDB): G7 G10 Y11 I12 D31 S32 L33 C34 N35 S36 D58 I59 F80 A81 A82 K84 S122 S123 S124 Y148 K152 Y176 P179
• Binding residue (residue number reindexed from 1): G8 G11 Y12 I13 D32 S33 L34 C35 N36 S37 D59 I60 F81 A82 A83 K85 S123 S124 S125 Y149 K153 Y177 P180
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): S124 Y148 K152
• Catalytic site (residue number reindexed from 1): S125 Y149 K153
• Enzyme Commision number: 5.1.3.2: UDP-glucose 4-epimerase.

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0003978 UDP-glucose 4-epimerase activity
• GO:0016853 isomerase activity

Biological Process

• GO:0006012 galactose metabolic process
• GO:0033499 galactose catabolic process via UDP-galactose

Cellular Component

• GO:0005829 cytosol

External links

• PDB: RCSB:7kn1, PDBe:7kn1, PDBj:7kn1
• PDBsum: 7kn1
• UniProt: B2FNY6