>1HIW_1|Chains A, B, C, D[auth Q], E[auth R], F[auth S]|HIV-1 MATRIX PROTEIN|Human immunodeficiency virus 1 (11676) HMGARASVLSGGELDKWEKIRLRPGGKKQYKLKHIVWASRELERFAVNPGLLETSEGCRQILGQLQPSLQTGSEELRSLYNTIAVLYCVHQRIDVKDTKEALDKIEEEQNKSKKKAQQAAADTGNNSQVSQNY