Sequence alignment between 4ttt(S) and UniProt seq P31892 (MBHS_CUPNH):

P31892 (MBHS_CUPNH): Uptake hydrogenase small subunit from Cupriavidus necator (strain ATCC 17699 / DSM 428 / KCTC 22496 / NCIMB 10442 / H16 / Stanier 337)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MVETFYEVMRRQGISRRSFLKYCSLTATSLGLGPSFLPQIAHAMETKPRTPVLWLHGLECTCCSESFIRSAHPLAKDVVLSMISLDYDDTLMAAAGHQAEAILEEIMTKYKGNYILAVEGNPPLNQDGMSCIIGGRPFIEQLKYVAKDAKAIISWGSCASWGCVQAAKPNPTQATPVHKVITDKPIIKVPGCPPIAEVMTGVITYMLTFDRIPELDRQGRPKMFYSQRIHDKCYRRPHFDAGQFVEEWDDESARKGFCLYKMGCKGPTTYNACSTTRWNEGTSFPIQSGHGCIGCSEDGFWDKGSFYDRLTGISQFGVEANADKIGGTASVVVGAAVTAHAAASAIKRASKKNETSGSEH
PDB seq: -----------------------------------------------PRTPVLWLHGLECTCCSESFIRSAHPLAKDVVLSMISLDYDDTLMAAAGHQAEAILEEIMTKYKGNYILAVEGNPPLNQDGMSCIIGGRPFIEQLKYVAKDAKAIISWGSCASWGCVQAAKPNPTQATPVHKVITDKPIIKVPGCPPIAEVMTGVITYMLTFDRIPELDRQGRPKMFYSQRIHDKCYRRPHFDAGQFVEEWDDESARKGFCLYKMGCKGPTTYNACSTTRWNEGTSFPIQSGHGCIGCSEDGFWDKGSFYDRLTGISQF--------------------------------------------
                                                        -----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---                                            
                                                            10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270