2K6I THE DOMAIN FEATURES OF THE PERIPHERAL STALK SUBUNIT H OF THE METHANOGENIC A1AO ATP SYNTHASE AND THE NMR SOLUTION STRUCTURE OF H1-47 STRUCTURAL PROTEIN, H SUBUNIT, A1AO ATP SYNTHASE, V1VO ATPASE, F1FO ATP SYNTHASE, METHANOCALDOCOCCUS JANNASCHII