| Entry | 
 | 
| Symbol | 
nsaD 
  | 
| Name | 
(KEGG) 2-hydroxychromene-2-carboxylate isomerase (EC:5.99.1.4) 
  | 
|   KO | 
 | 
| Taxonomy | 
 | 
|   Lineage | 
Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria; Sphingomonadales; Sphingobiaceae; Sphingobium  | 
| Organism | 
Sphingobium xenophagum 
  | 
| SSDB | 
 | 
| Motif | 
 | 
| Other DBs | 
 | 
| LinkDB | 
 | 
| AA seq | 
195 aa  
MTKTIDFYFDFISPFSYLAQVKLPDLARRTGCVIEYRPIDIPEAKIAAGNYGPSNREVVP 
KIKVMMADLERWAAKYEVPLTFPASFACSDWNCAALYARGQDQAEAFVTAAYHRIWGIGI 
DPRDQNELRGCAEDVGLDADALCEFVRSPAGQGEYRKARTQAYQRGVFGAPMMFVDDQIF 
WGNDRLDFLESYLLD | 
| Reference | 
 | 
|   Authors | 
Keck A, Conradt D, Mahler A, Stolz A, Mattes R, Klein J  | 
|   Title | 
Identification and functional analysis of the genes for naphthalenesulfonate catabolism by Sphingomonas xenophaga BN6.  | 
|   Journal | 
 |