PDB entry 1ca3
View 1ca3 on RCSB PDB site
Description: unexpected ph-dependent conformation of his-64, the proton shuttle of carbonic anhydrase II.
Class: lyase(oxo-acid)
Keywords: lyase(oxo-acid)
Deposited on
1991-11-18, released
1992-10-15
The last revision prior to the SCOP 1.73 freeze date was dated
1992-10-15, with a file datestamp of
2007-06-04.
Experiment type: -
Resolution: 2.3 Å
R-factor: 0.168
AEROSPACI score: 0.38
(click here for full SPACI score report)
Chains and heterogens:
- Chain 'A':
Compound: carbonic anhydrase II
Species: HOMO SAPIENS
Database cross-references and differences (RAF-indexed):
Domains in SCOP 1.73: d1ca3a_ - Heterogens: ZN, HG, HOH
PDB Chain Sequences:
- Chain 'A':
Sequence, based on SEQRES records: (download)
>1ca3A (A:)
mshhwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslril
nnghafnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaelhl
vhwntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdp
rgllpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelm
vdnwrpaqplknrqikasfk
Sequence, based on observed residues (ATOM records): (download)
>1ca3A (A:)
wgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnngh
afnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaelhlvhwn
tkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprgll
pesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvdnw
rpaqplknrqikasf