1HIC HIRUDIN 30-APR-92 HIRUDIN VARIANT 1 (RESIDUES 1 - 51) (NMR, 20 STRUC DOMAIN 1: [Assigned by homology with 4HTCI] 1 to 51 ; [PDB Header] [PREPI] [RASMOL] [NCBI ENTREZ] [SCOP]